Imported Upstream version 1.21

[tar] / m4 / strdup.m4

diff --git a/m4/strdup.m4 b/m4/strdup.m4
index 8796e9e02f945972b29a5476f308eab8408f28eb..0537def373024afcc889bc4c69eebfb08c9c18bc 100644 (file)
--- a/m4/strdup.m4
+++ b/m4/strdup.m4
@@ -1,7 +1,6 @@
-# strdup.m4 serial 9
+# strdup.m4 serial 10
 
-dnl Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software
-dnl Foundation, Inc.
+dnl Copyright (C) 2002-2008 Free Software Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -18,5 +17,22 @@ AC_DEFUN([gl_FUNC_STRDUP],
   gl_PREREQ_STRDUP
 ])
 
+AC_DEFUN([gl_FUNC_STRDUP_POSIX],
+[
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
+  if test $gl_cv_func_malloc_posix != yes; then
+    REPLACE_STRDUP=1
+    AC_LIBOBJ([strdup])
+  else
+    AC_REPLACE_FUNCS(strdup)
+  fi
+  AC_CHECK_DECLS_ONCE(strdup)
+  if test $ac_cv_have_decl_strdup = no; then
+    HAVE_DECL_STRDUP=0
+  fi
+  gl_PREREQ_STRDUP
+])
+
 # Prerequisites of lib/strdup.c.
 AC_DEFUN([gl_PREREQ_STRDUP], [:])