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Do not test the value of __STDC__, because some compilers set it to 0 while being otherwise adequately conformant. */ #if !defined __STDC__ # error "Compiler does not advertise C89 conformance" #endif #include #include struct stat; /* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ struct buf { int x; }; struct buf * (*rcsopen) (struct buf *, struct stat *, int); static char *e (p, i) char **p; int i; { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. It is necessary to write \x00 == 0 to get something that is true only with -std. */ int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters inside strings and character constants. */ #define FOO(x) '\''x'\'' int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);}; int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), int, int);' # Test code for whether the C compiler supports C89 (body of main). ac_c_conftest_c89_main=' ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); ' # Test code for whether the C compiler supports C99 (global declarations) ac_c_conftest_c99_globals=' // Does the compiler advertise C99 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L # error "Compiler does not advertise C99 conformance" #endif #include extern int puts (const char *); extern int printf (const char *, ...); extern int dprintf (int, const char *, ...); extern void *malloc (size_t); // Check varargs macros. These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // See if C++-style comments work. // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' // Does the compiler advertise C11 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" as_fn_append ac_header_c_list " wchar.h wchar_h HAVE_WCHAR_H" as_fn_append ac_header_c_list " minix/config.h minix_config_h HAVE_MINIX_CONFIG_H" # Check that the precious variables saved in the cache have kept the same # value. ac_cache_corrupted=false for ac_var in $ac_precious_vars; do eval ac_old_set=\$ac_cv_env_${ac_var}_set eval ac_new_set=\$ac_env_${ac_var}_set eval ac_old_val=\$ac_cv_env_${ac_var}_value eval ac_new_val=\$ac_env_${ac_var}_value case $ac_old_set,$ac_new_set in set,) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} ac_cache_corrupted=: ;; ,set) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} ac_cache_corrupted=: ;; ,);; *) if test "x$ac_old_val" != "x$ac_new_val"; then # differences in whitespace do not lead to failure. ac_old_val_w=`echo x $ac_old_val` ac_new_val_w=`echo x $ac_new_val` if test "$ac_old_val_w" != "$ac_new_val_w"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} ac_cache_corrupted=: else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} eval $ac_var=\$ac_old_val fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} fi;; esac # Pass precious variables to config.status. if test "$ac_new_set" = set; then case $ac_new_val in *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; *) ac_arg=$ac_var=$ac_new_val ;; esac case " $ac_configure_args " in *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. *) as_fn_append ac_configure_args " '$ac_arg'" ;; esac fi done if $ac_cache_corrupted; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 fi ## -------------------- ## ## Main body of script. ## ## -------------------- ## ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu ac_config_files="$ac_config_files Makefile src/common/Makefile" ac_config_files="$ac_config_files 3rdparty/mt19937ar/Makefile 3rdparty/libconfig/Makefile 3rdparty/libbacktrace/Makefile 3rdparty/libbacktrace/backtrace-supported.h" ac_config_files="$ac_config_files 3rdparty/http-parser/Makefile 3rdparty/multipart-parser/Makefile 3rdparty/cJSON/Makefile 3rdparty/llhttp/Makefile 3rdparty/libgif/Makefile" ac_config_files="$ac_config_files src/char/Makefile src/login/Makefile" ac_config_files="$ac_config_files src/map/Makefile src/plugins/Makefile" ac_config_files="$ac_config_files src/api/Makefile" ac_config_files="$ac_config_files src/test/Makefile" ac_config_files="$ac_config_files tools/HPMHookGen/Makefile" ac_config_files="$ac_config_files tools/doxygen/Makefile" ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. set dummy ${ac_tool_prefix}gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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" >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else ac_prog_rejected=no as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS if test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@" fi fi fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then for ac_prog in cl.exe do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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" >&6; } OLD_CFLAGS="$CFLAGS" OLD_LDFLAGS="$LDFLAGS" CFLAGS="$CFLAGS -march=i686" LDFLAGS="$LDFLAGS -march=i686" if test "$cross_compiling" = yes then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: guessing no" >&5 printf "%s\n" "guessing no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(int argc, char **argv) { return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi # # Check if CC supports __thread attribute (Thread Local Storage) # (Usually our OSX friends 're lacking support of it in older llvm versions ..) # case "${host}" in *-*-mingw*) CPPFLAGS="$CPPFLAGS -DHAS_TLS" ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports __thread specifier (TLS)" >&5 printf %s "checking whether $CC supports __thread specifier (TLS)... 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"cannot run test program while cross compiling See \`config.log' for more details" "$LINENO" 5; } else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ __thread int g_Test = -1; int main(int argc, char **argv){ g_Test = 0; return g_Test; } _ACEOF if ac_fn_c_try_run "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CPPFLAGS="$CPPFLAGS -DHAS_TLS" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi ;; esac # # Check if the linker supports/accepts -rdynamic # Generally only needed by the ELF linker, in order to produce backtraces. # On non-ELF platforms, some compilers (i.e. gcc < 5 and clang on OSX) are able to ignore it, others will error out. # OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -rdynamic" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -rdynamic" >&5 printf %s "checking whether $CC accepts -rdynamic... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(int argc, char **argv) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext # # LTO Support test # if test "$enable_lto" != "no" ; then OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -flto -ffat-lto-objects -Werror" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -flto -ffat-lto-objects" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -flto -ffat-lto-objects" >&5 printf %s "checking whether $CC supports -flto -ffat-lto-objects... " >&6; } if test "$cross_compiling" = yes then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: guessing no" >&5 printf "%s\n" "guessing no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(int argc, char **argv){ (void)argc; (void)argv; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -flto -ffat-lto-objects" LDFLAGS="$OLD_LDFLAGS -flto -ffat-lto-objects" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS -flto" LDFLAGS="$OLD_LDFLAGS -flto" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -flto" >&5 printf %s "checking whether $CC supports -flto... " >&6; } if test "$cross_compiling" = yes then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: guessing no" >&5 printf "%s\n" "guessing no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(int argc, char **argv){ (void)argc; (void)argv; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi # # sanitize Support test # if test "$enable_sanitize" != "no" ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=address" >&5 printf %s "checking whether $CC supports -fsanitize=address... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=address" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=address" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=address" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=address... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test "$enable_sanitize" == "full" ; then # skipped because server have multiple issues: -fsanitize=alignment { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=shift" >&5 printf %s "checking whether $CC supports -fsanitize=shift... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=shift" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=shift" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=integer-divide-by-zero" >&5 printf %s "checking whether $CC supports -fsanitize=integer-divide-by-zero... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=integer-divide-by-zero" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=integer-divide-by-zero" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=integer-divide-by-zero" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=integer-divide-by-zero... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=unreachable" >&5 printf %s "checking whether $CC supports -fsanitize=unreachable... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=unreachable" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=unreachable" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=unreachable" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=unreachable... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=vla-bound" >&5 printf %s "checking whether $CC supports -fsanitize=vla-bound... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=vla-bound" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=vla-bound" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vla-bound" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vla-bound... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=null" >&5 printf %s "checking whether $CC supports -fsanitize=null... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=null" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=null" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=null... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=return" >&5 printf %s "checking whether $CC supports -fsanitize=return... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=return" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=return" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=return" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=return... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=signed-integer-overflow" >&5 printf %s "checking whether $CC supports -fsanitize=signed-integer-overflow... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=signed-integer-overflow" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=signed-integer-overflow" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=signed-integer-overflow" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=signed-integer-overflow... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=bounds" >&5 printf %s "checking whether $CC supports -fsanitize=bounds... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=bounds" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=bounds" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=bounds-strict" >&5 printf %s "checking whether $CC supports -fsanitize=bounds-strict... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=bounds-strict" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=bounds-strict" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds-strict" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds-strict... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=object-size" >&5 printf %s "checking whether $CC supports -fsanitize=object-size... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=object-size" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=object-size" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=object-size" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=object-size... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=float-divide-by-zero" >&5 printf %s "checking whether $CC supports -fsanitize=float-divide-by-zero... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=float-divide-by-zero" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=float-divide-by-zero" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-divide-by-zero" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-divide-by-zero... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=float-cast-overflow" >&5 printf %s "checking whether $CC supports -fsanitize=float-cast-overflow... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=float-cast-overflow" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=float-cast-overflow" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-cast-overflow" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-cast-overflow... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=nonnull-attribute" >&5 printf %s "checking whether $CC supports -fsanitize=nonnull-attribute... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=nonnull-attribute" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=nonnull-attribute" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=nonnull-attribute" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=nonnull-attribute... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=returns-nonnull-attribute" >&5 printf %s "checking whether $CC supports -fsanitize=returns-nonnull-attribute... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=returns-nonnull-attribute" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=returns-nonnull-attribute" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=returns-nonnull-attribute" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=returns-nonnull-attribute... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=bool" >&5 printf %s "checking whether $CC supports -fsanitize=bool... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=bool" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=bool" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bool" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bool... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=enum" >&5 printf %s "checking whether $CC supports -fsanitize=enum... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=enum" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=enum" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=enum" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=enum... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=vptr" >&5 printf %s "checking whether $CC supports -fsanitize=vptr... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=vptr" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=vptr" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vptr" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vptr... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=address-use-after-scope" >&5 printf %s "checking whether $CC supports -fsanitize=address-use-after-scope... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=address-use-after-scope" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=address-use-after-scope" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=address-use-after-scope" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=address-use-after-scope... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=pointer-overflow" >&5 printf %s "checking whether $CC supports -fsanitize=pointer-overflow... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=pointer-overflow" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=pointer-overflow" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=pointer-overflow" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=pointer-overflow... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=builtin" >&5 printf %s "checking whether $CC supports -fsanitize=builtin... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=builtin" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=builtin" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=builtin" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=builtin... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=pointer-compare" >&5 printf %s "checking whether $CC supports -fsanitize=pointer-compare... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=pointer-compare" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=pointer-compare" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=pointer-compare" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=pointer-compare... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=pointer-subtract" >&5 printf %s "checking whether $CC supports -fsanitize=pointer-subtract... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=pointer-subtract" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=pointer-subtract" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=pointer-subtract" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=pointer-subtract... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=shift-exponent" >&5 printf %s "checking whether $CC supports -fsanitize=shift-exponent... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=shift-exponent" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=shift-exponent" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift-exponent" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift-exponent... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=shift-base" >&5 printf %s "checking whether $CC supports -fsanitize=shift-base... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=shift-base" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=shift-base" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift-base" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift-base... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=sanitize-address-use-after-scope" >&5 printf %s "checking whether $CC supports -fsanitize=sanitize-address-use-after-scope... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsanitize=sanitize-address-use-after-scope" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsanitize=sanitize-address-use-after-scope" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=sanitize-address-use-after-scope" >&5 printf %s "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=sanitize-address-use-after-scope... " >&6; } CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsigned-char" >&5 printf %s "checking whether $CC supports -fsigned-char... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fsigned-char" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fsigned-char" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fcf-protection=none" >&5 printf %s "checking whether $CC supports -fcf-protection=none... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fcf-protection=none" OLD_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -fcf-protection=none" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" LDFLAGS="$OLD_LDFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-unused-parameter" >&5 printf %s "checking whether $CC supports -Wno-unused-parameter... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-unused-parameter" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wunused-parameter" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-unused-parameter" # Optionally, run a test if test "xint foo(int bar) { return 0; }" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-unused-parameter" >&5 printf %s "checking whether $CC can actually use -Wno-unused-parameter... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wunused-parameter" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo(int bar) { return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-unused-parameter" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo(int bar) { return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-unused-parameter" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-clobbered" >&5 printf %s "checking whether $CC supports -Wno-clobbered... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-clobbered" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wclobbered" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-clobbered" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-clobbered" >&5 printf %s "checking whether $CC can actually use -Wno-clobbered... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wclobbered" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-clobbered" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-clobbered" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wempty-body" >&5 printf %s "checking whether $CC supports -Wempty-body... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wempty-body" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wempty-body" if test "empty-body" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wempty-body" >&5 printf %s "checking whether $CC can actually use -Wempty-body... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wempty-body" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "empty-body" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wempty-body" if test "empty-body" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "empty-body" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wnewline-eof" >&5 printf %s "checking whether $CC supports -Wnewline-eof... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wnewline-eof" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wnewline-eof" if test "newline-eof" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wnewline-eof" >&5 printf %s "checking whether $CC can actually use -Wnewline-eof... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wnewline-eof" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "newline-eof" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wnewline-eof" if test "newline-eof" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "newline-eof" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wint-conversion" >&5 printf %s "checking whether $CC supports -Wint-conversion... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wint-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wint-conversion" if test "int-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wint-conversion" >&5 printf %s "checking whether $CC can actually use -Wint-conversion... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wint-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "int-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wint-conversion" if test "int-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "int-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Winit-self" >&5 printf %s "checking whether $CC supports -Winit-self... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Winit-self" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Winit-self" if test "init-self" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Winit-self" >&5 printf %s "checking whether $CC can actually use -Winit-self... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Winit-self" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "init-self" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Winit-self" if test "init-self" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "init-self" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wpointer-arith" >&5 printf %s "checking whether $CC supports -Wpointer-arith... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wpointer-arith" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wpointer-arith" if test "pointer-arith" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wpointer-arith" >&5 printf %s "checking whether $CC can actually use -Wpointer-arith... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wpointer-arith" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "pointer-arith" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wpointer-arith" if test "pointer-arith" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "pointer-arith" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wswitch-bool" >&5 printf %s "checking whether $CC supports -Wswitch-bool... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wswitch-bool" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wswitch-bool" if test "switch-bool" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wswitch-bool" >&5 printf %s "checking whether $CC can actually use -Wswitch-bool... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wswitch-bool" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "switch-bool" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wswitch-bool" if test "switch-bool" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "switch-bool" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wenum-conversion" >&5 printf %s "checking whether $CC supports -Wenum-conversion... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wenum-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wenum-conversion" if test "enum-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wenum-conversion" >&5 printf %s "checking whether $CC can actually use -Wenum-conversion... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wenum-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "enum-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wenum-conversion" if test "enum-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "enum-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wshorten-64-to-32" >&5 printf %s "checking whether $CC supports -Wshorten-64-to-32... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wshorten-64-to-32" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wshorten-64-to-32" if test "shorten-64-to-32" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wshorten-64-to-32" >&5 printf %s "checking whether $CC can actually use -Wshorten-64-to-32... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wshorten-64-to-32" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "shorten-64-to-32" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wshorten-64-to-32" if test "shorten-64-to-32" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "shorten-64-to-32" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wconstant-conversion" >&5 printf %s "checking whether $CC supports -Wconstant-conversion... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wconstant-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wconstant-conversion" if test "constant-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wconstant-conversion" >&5 printf %s "checking whether $CC can actually use -Wconstant-conversion... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wconstant-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "constant-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wconstant-conversion" if test "constant-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "constant-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wbool-conversion" >&5 printf %s "checking whether $CC supports -Wbool-conversion... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wbool-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wbool-conversion" if test "bool-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wbool-conversion" >&5 printf %s "checking whether $CC can actually use -Wbool-conversion... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wbool-conversion" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "bool-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wbool-conversion" if test "bool-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "bool-conversion" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat-security" >&5 printf %s "checking whether $CC supports -Wformat-security... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wformat-security" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-security" if test "format-security" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat-security" >&5 printf %s "checking whether $CC can actually use -Wformat-security... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wformat-security" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-security" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-security" if test "format-security" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-security" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat" >&5 printf %s "checking whether $CC supports -Wformat... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wformat" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat" if test "format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat" >&5 printf %s "checking whether $CC can actually use -Wformat... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wformat" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat" if test "format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat-signedness" >&5 printf %s "checking whether $CC supports -Wformat-signedness... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wformat-signedness" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-signedness" if test "format-signedness" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat-signedness" >&5 printf %s "checking whether $CC can actually use -Wformat-signedness... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wformat-signedness" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-signedness" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-signedness" if test "format-signedness" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-signedness" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat-y2k" >&5 printf %s "checking whether $CC supports -Wformat-y2k... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wformat-y2k" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-y2k" if test "format-y2k" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat-y2k" >&5 printf %s "checking whether $CC can actually use -Wformat-y2k... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wformat-y2k" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-y2k" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-y2k" if test "format-y2k" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-y2k" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat-overflow=2" >&5 printf %s "checking whether $CC supports -Wformat-overflow=2... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wformat-overflow=2" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-overflow=2" if test "format-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat-overflow=2" >&5 printf %s "checking whether $CC can actually use -Wformat-overflow=2... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wformat-overflow=2" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-overflow=2" if test "format-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wformat-diag" >&5 printf %s "checking whether $CC supports -Wformat-diag... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wformat-diag" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-diag" if test "format-diag" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wformat-diag" >&5 printf %s "checking whether $CC can actually use -Wformat-diag... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wformat-diag" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-diag" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wformat-diag" if test "format-diag" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "format-diag" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext #AC_CHECK_COMPILER_WFLAG(format-truncation=2) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmissing-include-dirs" >&5 printf %s "checking whether $CC supports -Wmissing-include-dirs... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wmissing-include-dirs" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wmissing-include-dirs" if test "missing-include-dirs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wmissing-include-dirs" >&5 printf %s "checking whether $CC can actually use -Wmissing-include-dirs... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wmissing-include-dirs" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "missing-include-dirs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wmissing-include-dirs" if test "missing-include-dirs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "missing-include-dirs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wsuggest-attribute=noreturn" >&5 printf %s "checking whether $CC supports -Wsuggest-attribute=noreturn... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wsuggest-attribute=noreturn" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wsuggest-attribute=noreturn" if test "suggest-attribute=noreturn" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wsuggest-attribute=noreturn" >&5 printf %s "checking whether $CC can actually use -Wsuggest-attribute=noreturn... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wsuggest-attribute=noreturn" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "suggest-attribute=noreturn" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wsuggest-attribute=noreturn" if test "suggest-attribute=noreturn" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "suggest-attribute=noreturn" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wsuggest-attribute=format" >&5 printf %s "checking whether $CC supports -Wsuggest-attribute=format... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wsuggest-attribute=format" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wsuggest-attribute=format" if test "suggest-attribute=format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wsuggest-attribute=format" >&5 printf %s "checking whether $CC can actually use -Wsuggest-attribute=format... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wsuggest-attribute=format" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "suggest-attribute=format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wsuggest-attribute=format" if test "suggest-attribute=format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "suggest-attribute=format" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext #AC_CHECK_COMPILER_WFLAG(suggest-attribute=malloc) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wundef" >&5 printf %s "checking whether $CC supports -Wundef... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wundef" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wundef" if test "undef" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wundef" >&5 printf %s "checking whether $CC can actually use -Wundef... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wundef" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "undef" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wundef" if test "undef" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "undef" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext #AC_CHECK_COMPILER_WFLAG(cast-align) #AC_CHECK_COMPILER_WFLAG(logical-op) # some useless warnings { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wnested-externs" >&5 printf %s "checking whether $CC supports -Wnested-externs... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wnested-externs" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wnested-externs" if test "nested-externs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wnested-externs" >&5 printf %s "checking whether $CC can actually use -Wnested-externs... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wnested-externs" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "nested-externs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wnested-externs" if test "nested-externs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "nested-externs" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wold-style-definition" >&5 printf %s "checking whether $CC supports -Wold-style-definition... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wold-style-definition" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wold-style-definition" if test "old-style-definition" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wold-style-definition" >&5 printf %s "checking whether $CC can actually use -Wold-style-definition... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wold-style-definition" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "old-style-definition" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wold-style-definition" if test "old-style-definition" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "old-style-definition" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Woverlength-strings" >&5 printf %s "checking whether $CC supports -Woverlength-strings... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Woverlength-strings" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Woverlength-strings" if test "overlength-strings" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Woverlength-strings" >&5 printf %s "checking whether $CC can actually use -Woverlength-strings... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Woverlength-strings" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "overlength-strings" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Woverlength-strings" if test "overlength-strings" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "overlength-strings" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wredundant-decls" >&5 printf %s "checking whether $CC supports -Wredundant-decls... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wredundant-decls" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wredundant-decls" if test "redundant-decls" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wredundant-decls" >&5 printf %s "checking whether $CC can actually use -Wredundant-decls... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wredundant-decls" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "redundant-decls" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wredundant-decls" if test "redundant-decls" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "redundant-decls" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext #AC_CHECK_COMPILER_WFLAG(cast-qual) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmisleading-indentation" >&5 printf %s "checking whether $CC supports -Wmisleading-indentation... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wmisleading-indentation" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wmisleading-indentation" if test "misleading-indentation" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wmisleading-indentation" >&5 printf %s "checking whether $CC can actually use -Wmisleading-indentation... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wmisleading-indentation" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "misleading-indentation" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wmisleading-indentation" if test "misleading-indentation" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "misleading-indentation" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wnull-dereference" >&5 printf %s "checking whether $CC supports -Wnull-dereference... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wnull-dereference" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wnull-dereference" if test "null-dereference" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wnull-dereference" >&5 printf %s "checking whether $CC can actually use -Wnull-dereference... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wnull-dereference" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "null-dereference" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wnull-dereference" if test "null-dereference" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "null-dereference" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wvla" >&5 printf %s "checking whether $CC supports -Wvla... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wvla" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wvla" if test "vla" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wvla" >&5 printf %s "checking whether $CC can actually use -Wvla... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wvla" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "vla" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wvla" if test "vla" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "vla" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wvla-parameter" >&5 printf %s "checking whether $CC supports -Wvla-parameter... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wvla-parameter" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wvla-parameter" if test "vla-parameter" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wvla-parameter" >&5 printf %s "checking whether $CC can actually use -Wvla-parameter... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wvla-parameter" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "vla-parameter" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wvla-parameter" if test "vla-parameter" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "vla-parameter" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wswitch-enum" >&5 printf %s "checking whether $CC supports -Wswitch-enum... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wswitch-enum" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wswitch-enum" if test "switch-enum" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wswitch-enum" >&5 printf %s "checking whether $CC can actually use -Wswitch-enum... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wswitch-enum" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "switch-enum" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wswitch-enum" if test "switch-enum" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "switch-enum" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmismatched-dealloc" >&5 printf %s "checking whether $CC supports -Wmismatched-dealloc... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wmismatched-dealloc" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wmismatched-dealloc" if test "mismatched-dealloc" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wmismatched-dealloc" >&5 printf %s "checking whether $CC can actually use -Wmismatched-dealloc... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wmismatched-dealloc" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "mismatched-dealloc" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wmismatched-dealloc" if test "mismatched-dealloc" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "mismatched-dealloc" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wsizeof-array-div" >&5 printf %s "checking whether $CC supports -Wsizeof-array-div... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wsizeof-array-div" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wsizeof-array-div" if test "sizeof-array-div" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wsizeof-array-div" >&5 printf %s "checking whether $CC can actually use -Wsizeof-array-div... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wsizeof-array-div" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "sizeof-array-div" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wsizeof-array-div" if test "sizeof-array-div" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "sizeof-array-div" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wstringop-overflow=4" >&5 printf %s "checking whether $CC supports -Wstringop-overflow=4... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wstringop-overflow=4" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wstringop-overflow=4" if test "stringop-overflow=4" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wstringop-overflow=4" >&5 printf %s "checking whether $CC can actually use -Wstringop-overflow=4... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wstringop-overflow=4" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "stringop-overflow=4" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wstringop-overflow=4" if test "stringop-overflow=4" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "stringop-overflow=4" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wstringop-overread" >&5 printf %s "checking whether $CC supports -Wstringop-overread... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wstringop-overread" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wstringop-overread" if test "stringop-overread" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wstringop-overread" >&5 printf %s "checking whether $CC can actually use -Wstringop-overread... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wstringop-overread" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "stringop-overread" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wstringop-overread" if test "stringop-overread" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "stringop-overread" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wstring-compare" >&5 printf %s "checking whether $CC supports -Wstring-compare... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wstring-compare" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wstring-compare" if test "string-compare" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wstring-compare" >&5 printf %s "checking whether $CC can actually use -Wstring-compare... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wstring-compare" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "string-compare" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wstring-compare" if test "string-compare" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "string-compare" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wzero-length-bounds" >&5 printf %s "checking whether $CC supports -Wzero-length-bounds... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wzero-length-bounds" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wzero-length-bounds" if test "zero-length-bounds" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wzero-length-bounds" >&5 printf %s "checking whether $CC can actually use -Wzero-length-bounds... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wzero-length-bounds" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "zero-length-bounds" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wzero-length-bounds" if test "zero-length-bounds" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "zero-length-bounds" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wabsolute-value" >&5 printf %s "checking whether $CC supports -Wabsolute-value... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wabsolute-value" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wabsolute-value" if test "absolute-value" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wabsolute-value" >&5 printf %s "checking whether $CC can actually use -Wabsolute-value... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wabsolute-value" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "absolute-value" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wabsolute-value" if test "absolute-value" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "absolute-value" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wshift-overflow=2" >&5 printf %s "checking whether $CC supports -Wshift-overflow=2... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wshift-overflow=2" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wshift-overflow=2" if test "shift-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wshift-overflow=2" >&5 printf %s "checking whether $CC can actually use -Wshift-overflow=2... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wshift-overflow=2" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "shift-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wshift-overflow=2" if test "shift-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "shift-overflow=2" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wenum-int-mismatch" >&5 printf %s "checking whether $CC supports -Wenum-int-mismatch... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wenum-int-mismatch" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wenum-int-mismatch" if test "enum-int-mismatch" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wenum-int-mismatch" >&5 printf %s "checking whether $CC can actually use -Wenum-int-mismatch... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wenum-int-mismatch" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "enum-int-mismatch" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wenum-int-mismatch" if test "enum-int-mismatch" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "enum-int-mismatch" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext #AC_CHECK_COMPILER_WFLAG(unreachable-code) #AC_CHECK_COMPILER_WFLAG(unused-const-variable=2) #AC_CHECK_COMPILER_WFLAG(write-strings) #AC_CHECK_COMPILER_WNOFLAG(format-nonliteral) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-switch" >&5 printf %s "checking whether $CC supports -Wno-switch... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-switch" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wswitch" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-switch" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-switch" >&5 printf %s "checking whether $CC can actually use -Wno-switch... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wswitch" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-switch" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-switch" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-missing-field-initializers" >&5 printf %s "checking whether $CC supports -Wno-missing-field-initializers... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-missing-field-initializers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wmissing-field-initializers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-missing-field-initializers" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-missing-field-initializers" >&5 printf %s "checking whether $CC can actually use -Wno-missing-field-initializers... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wmissing-field-initializers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-missing-field-initializers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-missing-field-initializers" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext #AC_CHECK_COMPILER_WNOFLAG(suggest-attribute=format) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-incompatible-pointer-types-discards-qualifiers" >&5 printf %s "checking whether $CC supports -Wno-incompatible-pointer-types-discards-qualifiers... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-incompatible-pointer-types-discards-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wincompatible-pointer-types-discards-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-incompatible-pointer-types-discards-qualifiers" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-incompatible-pointer-types-discards-qualifiers" >&5 printf %s "checking whether $CC can actually use -Wno-incompatible-pointer-types-discards-qualifiers... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wincompatible-pointer-types-discards-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-incompatible-pointer-types-discards-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-incompatible-pointer-types-discards-qualifiers" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-discarded-qualifiers" >&5 printf %s "checking whether $CC supports -Wno-discarded-qualifiers... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-discarded-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wdiscarded-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-discarded-qualifiers" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-discarded-qualifiers" >&5 printf %s "checking whether $CC can actually use -Wno-discarded-qualifiers... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wdiscarded-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-discarded-qualifiers" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-discarded-qualifiers" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext # issue in clang-15 in libconfig { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-deprecated-non-prototype" >&5 printf %s "checking whether $CC supports -Wno-deprecated-non-prototype... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-deprecated-non-prototype" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wdeprecated-non-prototype" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-deprecated-non-prototype" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-deprecated-non-prototype" >&5 printf %s "checking whether $CC can actually use -Wno-deprecated-non-prototype... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wdeprecated-non-prototype" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-deprecated-non-prototype" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-deprecated-non-prototype" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext # issue in clang-15 in libconfig { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-unused-but-set-variable" >&5 printf %s "checking whether $CC supports -Wno-unused-but-set-variable... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-unused-but-set-variable" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wunused-but-set-variable" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-unused-but-set-variable" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-unused-but-set-variable" >&5 printf %s "checking whether $CC can actually use -Wno-unused-but-set-variable... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wunused-but-set-variable" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-unused-but-set-variable" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-unused-but-set-variable" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext case $host_os in Darwin*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-deprecated-declarations" >&5 printf %s "checking whether $CC supports -Wno-deprecated-declarations... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-deprecated-declarations" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wdeprecated-declarations" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-deprecated-declarations" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-deprecated-declarations" >&5 printf %s "checking whether $CC can actually use -Wno-deprecated-declarations... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wdeprecated-declarations" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-deprecated-declarations" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-deprecated-declarations" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;; esac # Certain versions of gcc make -Wshadow completely useless by making it flood # you with unnecessary warnings # Let's check if we can really use it SAVED_OLD_CFLAGS="$CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wshadow" >&5 printf %s "checking whether $CC supports -Wshadow... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wshadow" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wshadow" if test "shadow" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wshadow" >&5 printf %s "checking whether $CC can actually use -Wshadow... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wshadow" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "shadow" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wshadow" if test "shadow" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" if test "shadow" == "shorten-64-to-32"; then FLAG_WNO_shorten_64_to_32="-Wno-shorten-64-to-32" fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test "x$CFLAGS" != "x$SAVED_OLD_CFLAGS"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can efficiently use -Wshadow" >&5 printf %s "checking whether $CC can efficiently use -Wshadow... " >&6; } NEW_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wshadow" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo(void) { return 0; } int bar(void) { int foo = 0; return foo + 1; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$NEW_CFLAGS" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$SAVED_OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi # Certain versions of gcc implement -Wformat-truncation in a naive way, # disregarding the actual values that an integer can take in every code path # and assuming a worst case of INT_MAX. That makes it not very useful as it # produces meaningless warnings. SAVED_OLD_CFLAGS="$CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-format-truncation" >&5 printf %s "checking whether $CC supports -Wno-format-truncation... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror -Wno-format-truncation" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Recent versions of gcc don't fail if -Wno-foo is not recognized # (unless there are also other warnings), so we also check for -Wfoo # which always fails if not supported CFLAGS="$OLD_CFLAGS -Werror -Wformat-truncation" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-format-truncation" # Optionally, run a test if test "x" != "x"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-format-truncation" >&5 printf %s "checking whether $CC can actually use -Wno-format-truncation... " >&6; } CFLAGS="$OLD_CFLAGS -Werror -Wformat-truncation" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5 printf "%s\n" "not needed but enabled" >&6; } CFLAGS="$OLD_CFLAGS" else $as_nop CFLAGS="$OLD_CFLAGS -Werror -Wno-format-truncation" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$OLD_CFLAGS -Wno-format-truncation" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$OLD_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test "x$CFLAGS" != "x$SAVED_OLD_CFLAGS"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC has a too naive -Wformat-truncation implementation" >&5 printf %s "checking whether $CC has a too naive -Wformat-truncation implementation... " >&6; } NEW_CFLAGS="$CFLAGS" CFLAGS="$SAVED_OLD_CFLAGS" CFLAGS="$CFLAGS -Werror" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include char foo(void) { char buf[3]; for (int i = 0; i < 4; i++) { snprintf(buf, sizeof(buf), "a%d", i); } return buf[1]; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } CFLAGS="$SAVED_OLD_CFLAGS" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } CFLAGS="$NEW_CFLAGS" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fPIC" >&5 printf %s "checking whether $CC supports -fPIC... " >&6; } OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fPIC" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo; _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } SOFLAGS="$SOFLAGS -fPIC" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext CFLAGS="$OLD_CFLAGS" # # option for shared objects # { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to make shared objects" >&5 printf %s "checking how to make shared objects... 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