aboutsummaryrefslogtreecommitdiff
path: root/m4/strndup.m4
diff options
context:
space:
mode:
Diffstat (limited to 'm4/strndup.m4')
-rw-r--r--m4/strndup.m418
1 files changed, 10 insertions, 8 deletions
diff --git a/m4/strndup.m4 b/m4/strndup.m4
index d8f00cab..bdde5fe1 100644
--- a/m4/strndup.m4
+++ b/m4/strndup.m4
@@ -1,5 +1,5 @@
-# strndup.m4 serial 18
-dnl Copyright (C) 2002-2003, 2005-2011 Free Software Foundation, Inc.
+# strndup.m4 serial 20
+dnl Copyright (C) 2002-2003, 2005-2012 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.
@@ -18,13 +18,18 @@ AC_DEFUN([gl_FUNC_STRNDUP],
fi
if test $ac_cv_func_strndup = yes; then
+ HAVE_STRNDUP=1
# AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup_works],
[AC_RUN_IFELSE([
AC_LANG_PROGRAM([[#include <string.h>
#include <stdlib.h>]], [[
#ifndef HAVE_DECL_STRNDUP
- extern char *strndup (const char *, size_t);
+ extern
+ #ifdef __cplusplus
+ "C"
+ #endif
+ char *strndup (const char *, size_t);
#endif
char *s;
s = strndup ("some longer string", 15);
@@ -42,12 +47,9 @@ changequote(,)dnl
changequote([,])dnl
])])
case $gl_cv_func_strndup_works in
- *no)
- REPLACE_STRNDUP=1
- AC_LIBOBJ([strndup])
- ;;
+ *no) REPLACE_STRNDUP=1 ;;
esac
else
- AC_LIBOBJ([strndup])
+ HAVE_STRNDUP=0
fi
])