1 files changed, 12 insertions, 5 deletions

diff --git a/gl/m4/inet_ntop.m4 b/gl/m4/inet_ntop.m4
index bb02d229..42bfc5e4 100644
--- a/gl/m4/inet_ntop.m4
+++ b/gl/m4/inet_ntop.m4
@@ -1,19 +1,26 @@
-# inet_ntop.m4 serial 3
-dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+# inet_ntop.m4 serial 8
+dnl Copyright (C) 2005, 2006, 2008, 2009 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_INET_NTOP],
 [
-  AC_REPLACE_FUNCS(inet_ntop)
+  dnl Persuade Solaris <arpa/inet.h> to declare inet_ntop.
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+  gl_REPLACE_ARPA_INET_H
+
+  AC_REPLACE_FUNCS([inet_ntop])
   gl_PREREQ_INET_NTOP
 ])
 
-# Prerequisites of lib/inet_ntop.h and lib/inet_ntop.c.
+# Prerequisites of lib/inet_ntop.c.
 AC_DEFUN([gl_PREREQ_INET_NTOP], [
-  AC_CHECK_HEADERS_ONCE([netinet/in.h arpa/inet.h])
   AC_CHECK_DECLS([inet_ntop],,,[#include <arpa/inet.h>])
+  if test $ac_cv_have_decl_inet_ntop = no; then
+    HAVE_DECL_INET_NTOP=0
+  fi
   AC_REQUIRE([gl_SOCKET_FAMILIES])
   AC_REQUIRE([AC_C_RESTRICT])
 ])