From b2b4e46198dc1ef3aa267296707befc9e3ccd651 Mon Sep 17 00:00:00 2001
From: Andres Loeh <mail@andres-loeh.de>
Date: Thu, 6 Mar 2014 11:40:51 +0100
Subject: [PATCH] Add GHC-7.8.1-rc2.

---
 pkgs/development/compilers/ghc/7.8.1.nix | 45 ++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix          |  1 +
 pkgs/top-level/haskell-defaults.nix      | 15 ++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 pkgs/development/compilers/ghc/7.8.1.nix

diff --git a/pkgs/development/compilers/ghc/7.8.1.nix b/pkgs/development/compilers/ghc/7.8.1.nix
new file mode 100644
index 000000000000..c9ca6fd8719b
--- /dev/null
+++ b/pkgs/development/compilers/ghc/7.8.1.nix
@@ -0,0 +1,45 @@
+{ stdenv, fetchurl, ghc, perl, gmp, ncurses }:
+
+stdenv.mkDerivation rec {
+  version = "7.8.0.20140228";
+  name = "ghc-${version}";
+
+  src = fetchurl {
+    url = "http://www.haskell.org/ghc/dist/7.8.1-rc2/${name}-src.tar.bz2";
+    sha256 = "09xlgz1xg0182wjy62h3j0xvnhllhjlyvj30vc3him98parnr76w";
+  };
+
+  buildInputs = [ ghc perl gmp ncurses ];
+
+  enableParallelBuilding = true;
+
+  buildMK = ''
+    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp}/lib"
+    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp}/include"
+    DYNAMIC_BY_DEFAULT = NO
+  '';
+
+  preConfigure = ''
+    echo "${buildMK}" > mk/build.mk
+    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
+    export NIX_LDFLAGS="$NIX_LDFLAGS -rpath $out/lib/ghc-${version}"
+  '';
+
+  configureFlags = "--with-gcc=${stdenv.gcc}/bin/gcc";
+
+  # required, because otherwise all symbols from HSffi.o are stripped, and
+  # that in turn causes GHCi to abort
+  stripDebugFlags = [ "-S" "--keep-file-symbols" ];
+
+  meta = {
+    homepage = "http://haskell.org/ghc";
+    description = "The Glasgow Haskell Compiler";
+    maintainers = [
+      stdenv.lib.maintainers.marcweber
+      stdenv.lib.maintainers.andres
+      stdenv.lib.maintainers.simons
+    ];
+    inherit (ghc.meta) license platforms;
+  };
+
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 953dd6a96c86..43cf09faa8ed 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2729,6 +2729,7 @@ let
   haskellPackages_ghc763_profiling    = recurseIntoAttrs (haskell.packages_ghc763.profiling);
   haskellPackages_ghc763              = recurseIntoAttrs (haskell.packages_ghc763.highPrio);
   # Reasonably current HEAD snapshot.
+  haskellPackages_ghc781 = haskell.packages_ghc781;
   haskellPackages_ghcHEAD = haskell.packages_ghcHEAD;
 
   haxe = callPackage ../development/compilers/haxe { };
diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index 0856bf503780..fe11a329ecd4 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -23,6 +23,15 @@
       cabalInstall = self.cabalInstall_1_18_0_3.override { Cabal = null; };
     };
 
+  ghc781Prefs =
+    self : self.haskellPlatformArgs_future self // {
+      haskellPlatform = null;
+      extensibleExceptions = self.extensibleExceptions_0_1_1_4;
+      cabalInstall_1_18_0_2 = self.cabalInstall_1_18_0_2.override { Cabal = null; };
+      cabalInstall = self.cabalInstall_1_18_0_2.override { Cabal = null; };
+      binary_0_7_1_0 = null;
+    };
+
   ghc763Prefs =
     self : self.haskellPlatformArgs_2013_2_0_0 self // {
       haskellPlatform = self.haskellPlatform_2013_2_0_0;
@@ -395,6 +404,12 @@
                prefFun = ghc763Prefs;
              };
 
+  packages_ghc781 =
+    packages { ghcPath = ../development/compilers/ghc/7.8.1.nix;
+               ghcBinary = ghc742Binary;
+               prefFun = ghc781Prefs;
+             };
+
   # Reasonably current HEAD snapshot. Should *always* be lowPrio.
   packages_ghcHEAD =
     packages { ghcPath = ../development/compilers/ghc/head.nix;