From 0a9d954bc6aa8012a1ac8d0f9dafb26a2a3ce1fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 23 Apr 2012 15:47:21 +0000
Subject: [PATCH] GNU Patch: On Darwin, use an existing tarball, and patch from
 there.

svn path=/nixpkgs/trunk/; revision=33892
---
 pkgs/tools/text/gnupatch/darwin-fix.patch | 60 +++++++++++++++++++++++
 pkgs/tools/text/gnupatch/default.nix      | 23 +++++----
 2 files changed, 71 insertions(+), 12 deletions(-)
 create mode 100644 pkgs/tools/text/gnupatch/darwin-fix.patch

diff --git a/pkgs/tools/text/gnupatch/darwin-fix.patch b/pkgs/tools/text/gnupatch/darwin-fix.patch
new file mode 100644
index 00000000000..50d08534814
--- /dev/null
+++ b/pkgs/tools/text/gnupatch/darwin-fix.patch
@@ -0,0 +1,60 @@
+Fix builds on Darwin:
+http://lists.gnu.org/archive/html/bug-patch/2010-01/msg00004.html .
+
+
+commit 2c4e3ecddec8a686bd50d238f4cefebb950298b7
+Author: Andreas Gruenbacher <agruen@suse.de>
+Date:   Fri Jan 1 15:58:15 2010 +0100
+
+    * Makefile.in (LIBSRCS, LIBM4FILES): Add the missing files strnlen.c,
+    strnlen.m4, and safe-read.m4.
+
+diff --git a/Makefile.in b/Makefile.in
+index 3b3d78a..26dc281 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -91,6 +91,7 @@ LIBSRCS = \
+ 	gl/lib/stripslash.c \
+ 	gl/lib/strncasecmp.c \
+ 	gl/lib/strndup.c \
++	gl/lib/strnlen.c \
+ 	gl/lib/xmalloc.c \
+ 	gl/lib/xstrndup.c
+
+
+Add the missing bits from Gnulib.
+
+--- /dev/null	2012-04-23 08:54:35.747205543 +0200
++++ b/gl/lib/strnlen.c	2012-01-16 22:35:02.000000000 +0100
+@@ -0,0 +1,31 @@
++/* Find the length of STRING, but scan at most MAXLEN characters.
++   Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc.
++   Written by Simon Josefsson.
++
++   This program is free software; you can redistribute it and/or modify
++   it under the terms of the GNU General Public License as published by
++   the Free Software Foundation; either version 2, or (at your option)
++   any later version.
++
++   This program is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
++   GNU General Public License for more details.
++
++   You should have received a copy of the GNU General Public License
++   along with this program; if not, write to the Free Software Foundation,
++   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
++
++#include <config.h>
++
++#include <string.h>
++
++/* Find the length of STRING, but scan at most MAXLEN characters.
++   If no '\0' terminator is found in that many characters, return MAXLEN.  */
++
++size_t
++strnlen (const char *string, size_t maxlen)
++{
++  const char *end = memchr (string, '\0', maxlen);
++  return end ? (size_t) (end - string) : maxlen;
++}
diff --git a/pkgs/tools/text/gnupatch/default.nix b/pkgs/tools/text/gnupatch/default.nix
index 782c0bec850..a7a166c95c3 100644
--- a/pkgs/tools/text/gnupatch/default.nix
+++ b/pkgs/tools/text/gnupatch/default.nix
@@ -1,19 +1,12 @@
 { stdenv, fetchurl, ed }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (rec {
   name = "patch-2.6.1";
 
-  src =
-    if stdenv.isDarwin
-    then fetchurl {
-      # Temporary fix for
-      # http://lists.gnu.org/archive/html/bug-patch/2010-01/msg00004.html .
-      url = "ftp://alpha.gnu.org/gnu/patch/patch-2.6.1.87-94d8.tar.gz";
-      sha256 = "0jnw8p0nvkmwi1a2z56bssqik8fvkb71zd2cpzl1sklnrg1g3b6p";
-    } else fetchurl {
-      url = "mirror://gnu/patch/${name}.tar.gz";
-      sha256 = "1fc1jyq80nswkf492fiqdbl2bhvlw2wb44ghqlfd3zngx4qkfmni";
-    };
+  src = fetchurl {
+    url = "mirror://gnu/patch/${name}.tar.gz";
+    sha256 = "1fc1jyq80nswkf492fiqdbl2bhvlw2wb44ghqlfd3zngx4qkfmni";
+  };
 
   buildInputs = (stdenv.lib.optional doCheck ed);
 
@@ -40,3 +33,9 @@ stdenv.mkDerivation rec {
     platforms = stdenv.lib.platforms.all;
   };
 }
+
+//
+
+(stdenv.lib.optionalAttrs stdenv.isDarwin {
+  patches = [ ./darwin-fix.patch ];
+}))