])
AC_SUBST(NO_IPV6)
#
-# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
-# do not support the 'size specifiers' introduced by C99, namely ll, hh,
-# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
-# some C compilers supported these specifiers prior to C99 as an extension.
-AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
- [ac_cv_c_c99_format],
-[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
-AC_RUN_IFELSE(
- [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
- [[char buf[64];
- if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
- return 1;
- else if (strcmp(buf, "12345"))
- return 2;]])],
- [ac_cv_c_c99_format=yes],
- [ac_cv_c_c99_format=no])
-])
-if test $ac_cv_c_c99_format = no; then
- NO_C99_FORMAT=YesPlease
-else
- NO_C99_FORMAT=
-fi
-AC_SUBST(NO_C99_FORMAT)
-#
# Define NO_REGEX if you have no or inferior regex support in your C library.
AC_CACHE_CHECK([whether the platform regex can handle null bytes],
[ac_cv_c_excellent_regex], [
#include <pthread.h>
]], [[
pthread_mutex_t test_mutex;
+ pthread_key_t test_key;
int retcode = 0;
+ retcode |= pthread_key_create(&test_key, (void *)0);
retcode |= pthread_mutex_init(&test_mutex,(void *)0);
retcode |= pthread_mutex_lock(&test_mutex);
retcode |= pthread_mutex_unlock(&test_mutex);