diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index efe6922b5d..0ae6adcae1 100644 --- a/configure.ac +++ b/configure.ac @@ -2792,11 +2792,12 @@ if test "$posix_threads" = "yes"; then AC_CACHE_VAL(ac_cv_pthread_system_supported, [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <stdio.h> + #include <stdlib.h> #include <pthread.h> void *foo(void *parm) { return NULL; } - main() { + int main() { pthread_attr_t attr; pthread_t id; if (pthread_attr_init(&attr)) exit(-1); @@ -4155,6 +4156,7 @@ then AC_MSG_CHECKING(whether wchar_t is signed) AC_CACHE_VAL(ac_cv_wchar_t_signed, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ + #include <stdlib.h> #include <wchar.h> int main() { @@ -4244,6 +4246,7 @@ AC_C_BIGENDIAN AC_MSG_CHECKING(whether right shift extends the sign bit) AC_CACHE_VAL(ac_cv_rshift_extends_sign, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <stdlib.h> int main() { exit(((-1)>>3 == -1) ? 0 : 1); |