diff options
Diffstat (limited to 'm4/mbstate_t.m4')
-rw-r--r-- | m4/mbstate_t.m4 | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/m4/mbstate_t.m4 b/m4/mbstate_t.m4 index aca2df347..c7cc38a01 100644 --- a/m4/mbstate_t.m4 +++ b/m4/mbstate_t.m4 @@ -1,4 +1,4 @@ -# serial 2 +# serial 3 # From Paul Eggert. @@ -6,13 +6,16 @@ # so you can't declare an object of that type. # Check for this incompatibility with Standard C. -# Include stdio.h first, because otherwise this test would fail on Linux -# (at least 2.2.16) because the `_XOPEN_SOURCE 500' definition elicits +# Include stdlib.h first, because otherwise this test would fail on Linux +# (at least glibc-2.1.3) because the `_XOPEN_SOURCE 500' definition elicits # a syntax error in wchar.h due to the use of undefined __int32_t. AC_DEFUN(AC_MBSTATE_T_OBJECT, [AC_CACHE_CHECK([for mbstate_t object type], ac_cv_type_mbstate_t_object, - [AC_TRY_COMPILE([#include <stdio.h> + [AC_TRY_COMPILE([ +#if HAVE_STDLIB_H +# include <stdlib.h> +#endif #include <wchar.h>], [mbstate_t x; return sizeof x;], ac_cv_type_mbstate_t_object=yes, |