X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=m4%2Fstrdup.m4;h=ce40c2152771ca340e8a39d3865260504e721b50;hb=HEAD;hp=d7daac2baba843d45890b04bb551a87a0195aaef;hpb=9fb70f2dfbea87fd0a624a5addf03fcbafc9b48a;p=tar

diff --git a/m4/strdup.m4 b/m4/strdup.m4
index d7daac2..ce40c21 100644
--- a/m4/strdup.m4
+++ b/m4/strdup.m4
@@ -1,6 +1,6 @@
-# strdup.m4 serial 11
+# strdup.m4 serial 12
 
-dnl Copyright (C) 2002-2009 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2010 Free Software Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,29 +9,36 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_STRDUP],
 [
   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
-  AC_REPLACE_FUNCS([strdup])
+  AC_CHECK_FUNCS_ONCE([strdup])
+  if test $ac_cv_func_strdup != yes; then
+    AC_LIBOBJ([strdup])
+    gl_PREREQ_STRDUP
+  fi
   AC_CHECK_DECLS_ONCE([strdup])
   if test $ac_cv_have_decl_strdup = no; then
     HAVE_DECL_STRDUP=0
   fi
-  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])
+  AC_CHECK_FUNCS_ONCE([strdup])
+  if test $ac_cv_func_strdup = yes; then
+    if test $gl_cv_func_malloc_posix != yes; then
+      REPLACE_STRDUP=1
+      AC_LIBOBJ([strdup])
+      gl_PREREQ_STRDUP
+    fi
   else
-    AC_REPLACE_FUNCS([strdup])
+    AC_LIBOBJ([strdup])
+    gl_PREREQ_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.