From 4cb43d2a756449c43e6ce4713b0eb8169591597f Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Wed, 28 May 2014 01:35:31 -0500
Subject: [PATCH] Build ppl and gmp correctly for building gcc48 on darwin

---
 pkgs/development/libraries/gmp/5.1.x.nix   | 3 ++-
 pkgs/development/libraries/ppl/default.nix | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/gmp/5.1.x.nix b/pkgs/development/libraries/gmp/5.1.x.nix
index a25eabbee86e..53d7f4585659 100644
--- a/pkgs/development/libraries/gmp/5.1.x.nix
+++ b/pkgs/development/libraries/gmp/5.1.x.nix
@@ -15,7 +15,8 @@ stdenv.mkDerivation rec {
     # (x86), except on Solaris where some tests crash with "Memory fault".
     # See <http://hydra.nixos.org/build/2760931>, for instance.
     (stdenv.lib.optional (!stdenv.isSunOS) "--enable-fat")
-    ++ (if cxx then [ "--enable-cxx" ] else [ "--disable-cxx" ])
+    ++ (if cxx then [ "--enable-cxx" "CPPFLAGS=-fexceptions" ]
+               else [ "--disable-cxx" ])
     ++ (if stdenv.is64bit then [ "--with-pic" ] else []);
 
   doCheck = true;
diff --git a/pkgs/development/libraries/ppl/default.nix b/pkgs/development/libraries/ppl/default.nix
index cbdb7b128b45..2c22317a6ca7 100644
--- a/pkgs/development/libraries/ppl/default.nix
+++ b/pkgs/development/libraries/ppl/default.nix
@@ -13,7 +13,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ perl gnum4 ];
   propagatedBuildInputs = [ gmpxx ];
 
-  configureFlags = "--disable-watchdog";
+  configureFlags = [ "--disable-watchdog" "CPPFLAGS=-fexceptions" ] ++
+    stdenv.lib.optionals stdenv.isDarwin [
+      "--disable-ppl_lcdd" "--disable-ppl_lpsol" "--disable-ppl_pips"
+    ];
 
   patches = [ ./upstream-based.patch ];