X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fstrdup.m4;h=3fb36dd9ae2cfcb5053c74be80d1906ab3498c02;hb=7386da29272905ff9c3aae89143acb3dc86ae7ea;hp=76e621ba78dc5963e76ede80b1baa1be8fb57ba2;hpb=44d7c1c1f004fa9bfb8ec3948de2671a7958cf5b;p=gnulib.git

diff --git a/m4/strdup.m4 b/m4/strdup.m4
index 76e621ba7..3fb36dd9a 100644
--- a/m4/strdup.m4
+++ b/m4/strdup.m4
@@ -1,14 +1,44 @@
-# strdup.m4 serial 5
-dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+# strdup.m4 serial 12
+
+dnl Copyright (C) 2002-2011 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_STRDUP],
 [
-  AC_REPLACE_FUNCS(strdup)
-  AC_CHECK_DECLS_ONCE(strdup)
-  gl_PREREQ_STRDUP
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  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
+])
+
+AC_DEFUN([gl_FUNC_STRDUP_POSIX],
+[
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
+  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_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
 ])
 
 # Prerequisites of lib/strdup.c.