Added pre release of stratego libraries, fixed support for configureFlags in MinGW, add binary pkg-config distribution for bootstrapping. Optionally use pkgconfig from the stdenv (again, for bootstrapping)

svn path=/nixpkgs/trunk/; revision=6253

pkgs/development/compilers/strategoxt/libraries/stratego-libraries-0.17pre.nix

@@ -0,0 +1,22 @@
+{stdenv, fetchurl, pkgconfig, aterm}:
+
+stdenv.mkDerivation {
+  name = "stratego-libraries-0.17";
+  src =
+    fetchurl {
+      url = http://www.cs.uu.nl/people/martin/stratego-libraries.tar.gz;
+      md5 = "e99ce18179400c8ef373e8e668a4c576";
+    };
+
+  buildInputs = [pkgconfig aterm];
+
+  configureFlags =
+    if stdenv ? isMinGW && stdenv.isMinGW then "--with-std=C99" else "";
+
+  # avoids loads of warnings about too big description fields because of a broken debug format
+  CFLAGS =
+    if stdenv ? isMinGW && stdenv.isMinGW then "-O2" else null;
+
+  # MinGW bootstrap pkg-config does not support the pkg-config setup-hook yet.
+  PKG_CONFIG_PATH = aterm + "/lib/pkgconfig";
+}