summaryrefslogtreecommitdiff
path: root/gnulib/m4/wmemcmp.m4
diff options
context:
space:
mode:
Diffstat (limited to 'gnulib/m4/wmemcmp.m4')
m---------gnulib0
-rw-r--r--gnulib/m4/wmemcmp.m432
2 files changed, 32 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/m4/wmemcmp.m4 b/gnulib/m4/wmemcmp.m4
new file mode 100644
index 0000000..4e6e341
--- /dev/null
+++ b/gnulib/m4/wmemcmp.m4
@@ -0,0 +1,32 @@
+# wmemcmp.m4 serial 3
+dnl Copyright (C) 2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_WMEMCMP],
+[
+ AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+ dnl We cannot use AC_CHECK_FUNCS here, because the MSVC 9 header files
+ dnl provide this function as an inline function definition.
+ AC_CACHE_CHECK([for wmemcmp], [gl_cv_func_wmemcmp],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
+ before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+]],
+ [[return ! wmemcmp ((const wchar_t *) 0, (const wchar_t *) 0, 0);]])
+ ],
+ [gl_cv_func_wmemcmp=yes],
+ [gl_cv_func_wmemcmp=no])
+ ])
+ if test $gl_cv_func_wmemcmp = no; then
+ HAVE_WMEMCMP=0
+ fi
+])