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| author | Jim Meyering <jim@meyering.net> | 2000-06-25 08:48:58 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2000-06-25 08:48:58 +0000 |
| commit | ca8a119779daa99fcc00f5ce130d7b614bf27800 (patch) | |
| tree | 486e1c6fc3d4edde89cf21e6248df20f75b5c4dd /m4/mbstate_t.m4 | |
| parent | 484752fa805743b04a626aa873f45487077f8b88 (diff) | |
| download | coreutils-ca8a119779daa99fcc00f5ce130d7b614bf27800.tar.xz | |
Include stdio.h before wchar.h to work around
Linux header bug when _XOPEN_SOURCE is defined to 500.
Diffstat (limited to 'm4/mbstate_t.m4')
| -rw-r--r-- | m4/mbstate_t.m4 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/m4/mbstate_t.m4 b/m4/mbstate_t.m4 index 4cbbfd5b8..aca2df347 100644 --- a/m4/mbstate_t.m4 +++ b/m4/mbstate_t.m4 @@ -1,4 +1,4 @@ -# serial 1 +# serial 2 # From Paul Eggert. @@ -6,9 +6,14 @@ # 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 +# 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 <wchar.h>], + [AC_TRY_COMPILE([#include <stdio.h> +#include <wchar.h>], [mbstate_t x; return sizeof x;], ac_cv_type_mbstate_t_object=yes, ac_cv_type_mbstate_t_object=no)]) |