uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/libagar/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchurl, pkg-config, libtool, perl, bsdbuild, gettext, mandoc
+, libpng, libjpeg, xlibsWrapper, libXinerama, freetype, SDL, libGLU, libGL
+, libsndfile, portaudio, libmysqlclient, fontconfig
+}:
+
+let srcs = import ./srcs.nix { inherit fetchurl; }; in
+stdenv.mkDerivation {
+  pname = "libagar";
+  inherit (srcs) version src;
+
+  preConfigure = ''
+    substituteInPlace configure.in \
+      --replace '_BSD_SOURCE' '_DEFAULT_SOURCE'
+    cat configure.in | ${bsdbuild}/bin/mkconfigure > configure
+  '';
+
+  configureFlags = [
+    "--with-libtool=${libtool}/bin/libtool"
+    "--enable-nls=yes"
+    "--with-gettext=${gettext}"
+    "--with-jpeg=${libjpeg.dev}"
+    "--with-gl=${libGL}"
+    "--with-mysql=${libmysqlclient}"
+    "--with-manpages=yes"
+  ];
+
+  outputs = [ "out" "devdoc" ];
+
+  nativeBuildInputs = [ pkg-config libtool gettext ];
+
+  buildInputs = [
+    bsdbuild perl xlibsWrapper libXinerama SDL libGL libmysqlclient mandoc
+    freetype.dev libpng libjpeg.dev fontconfig portaudio libsndfile
+  ];
+
+  meta = with lib; {
+    description = "Cross-platform GUI toolkit";
+    homepage = "http://libagar.org/index.html";
+    license = with licenses; bsd3;
+    maintainers = with maintainers; [ ramkromberg ];
+    platforms = with platforms; linux;
+  };
+}