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Include stdio.h before wchar.h to work around

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Linux header bug when _XOPEN_SOURCE is defined to 500.
This commit is contained in:
Jim Meyering
2000-06-25 08:48:58 +00:00
parent 484752fa80
commit ca8a119779
1 changed files with 7 additions and 2 deletions
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9
m4/mbstate_t.m4
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@@ -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)])