From c0def4a169755c17db2203bae3c8d46f08cb6d99 Mon Sep 17 00:00:00 2001
From: Eduard Bachmakov <e.bachmakov@gmail.com>
Date: Fri, 20 Feb 2015 16:29:52 +0100
Subject: [PATCH] llvm-3.5: enable RTTI to support mesa

Extracted from #6367.
---
 pkgs/development/compilers/llvm/3.5/llvm.nix | 1 +
 pkgs/top-level/all-packages.nix              | 1 +
 2 files changed, 2 insertions(+)

diff --git a/pkgs/development/compilers/llvm/3.5/llvm.nix b/pkgs/development/compilers/llvm/3.5/llvm.nix
index bacd0b26643..7e11caa66f0 100644
--- a/pkgs/development/compilers/llvm/3.5/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.5/llvm.nix
@@ -41,6 +41,7 @@ in stdenv.mkDerivation rec {
     "-DCMAKE_BUILD_TYPE=Release"
     "-DLLVM_BUILD_TESTS=ON"
     "-DLLVM_ENABLE_FFI=ON"
+    "-DLLVM_REQUIRES_RTTI=1"
   ] ++ stdenv.lib.optionals (!isDarwin) [
     "-DBUILD_SHARED_LIBS=ON"
     "-DLLVM_BINUTILS_INCDIR=${binutils}/include"
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8faa7a548a9..25b34d79160 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3714,6 +3714,7 @@ let
 
   llvm = llvmPackages.llvm;
 
+  llvm_35 = llvmPackages_35.llvm;
   llvm_34 = llvmPackages_34.llvm;
   llvm_33 = llvm_v ../development/compilers/llvm/3.3/llvm.nix;