]> Dogcows Code - chaz/tar/commitdiff
Include stdio.h before wchar.h, to work around a bug
authorPaul Eggert <eggert@cs.ucla.edu>
Mon, 26 Jun 2000 18:53:06 +0000 (18:53 +0000)
committerPaul Eggert <eggert@cs.ucla.edu>
Mon, 26 Jun 2000 18:53:06 +0000 (18:53 +0000)
in glibc 2.1.3.

m4/mbstate_t.m4

index 4cbbfd5b822fb564baa65fc9d03459cbc98c1e2f..aca2df34785223f79c22718c099d8eb649967f44 100644 (file)
@@ -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)])
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