move binutils-arm to binutils-cross. Also, add binutils for mips-linux in a

more generic way. Still, there is a lot of room for improvement.

svn path=/nixpkgs/trunk/; revision=4458

pkgs/development/tools/misc/binutils-cross/builder.sh

@@ -0,0 +1,12 @@
+source $stdenv/setup
+
+patchConfigure() {
+    # Clear the default library search path.
+    if test "$noSysDirs" = "1"; then
+        echo 'NATIVE_LIB_DIRS=' >> ld/configure.tgt
+    fi
+}
+
+preConfigure=patchConfigure
+
+genericBuild

pkgs/development/tools/misc/binutils-cross/default.nix

@@ -0,0 +1,12 @@
+{stdenv, fetchurl, noSysDirs, cross}:
+
+stdenv.mkDerivation {
+  name = "binutils-2.16.1";
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://ftp.nluug.nl/gnu/binutils/binutils-2.16.1.tar.bz2;
+    md5 = "6a9d529efb285071dad10e1f3d2b2967";
+  };
+  inherit noSysDirs;
+  configureFlags = if cross=="arm-linux" then "--target=arm-linux" else if cross=="mips-linux" then "--target=mips-linux" else "";
+}