diff options
Diffstat (limited to 'gl/m4/strndup.m4')
| -rw-r--r-- | gl/m4/strndup.m4 | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gl/m4/strndup.m4 b/gl/m4/strndup.m4 index dd5780b6..f7934ef8 100644 --- a/gl/m4/strndup.m4 +++ b/gl/m4/strndup.m4 @@ -1,5 +1,5 @@ -# strndup.m4 serial 11 -dnl Copyright (C) 2002-2003, 2005-2006 Free Software Foundation, Inc. +# strndup.m4 serial 14 +dnl Copyright (C) 2002-2003, 2005-2007 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. @@ -7,15 +7,19 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_STRNDUP], [ dnl Persuade glibc <string.h> to declare strndup(). - AC_REQUIRE([AC_GNU_SOURCE]) + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) AC_CHECK_DECLS_ONCE([strndup]) + if test $ac_cv_have_decl_strndup = no; then + HAVE_DECL_STRNDUP=0 + fi # 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, [AC_RUN_IFELSE([ AC_LANG_PROGRAM([#include <string.h> - #include <stdlib.h>], [[ + #include <stdlib.h>], [[ #ifndef HAVE_DECL_STRNDUP extern char *strndup (const char *, size_t); #endif @@ -39,6 +43,7 @@ AC_DEFUN([gl_FUNC_STRNDUP], AC_DEFINE([HAVE_STRNDUP], 1, [Define if you have the strndup() function and it works.]) else + HAVE_STRNDUP=0 AC_LIBOBJ([strndup]) gl_PREREQ_STRNDUP fi |