From dd25120e8ebcd19b002391a16c031131b49d9f53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sat, 16 Mar 2013 20:40:04 +0100
Subject: [PATCH] gcc34: fix build on i686

---
 pkgs/development/compilers/gcc/3.4/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/gcc/3.4/default.nix b/pkgs/development/compilers/gcc/3.4/default.nix
index 6cadf58d2ce..1595b7f336f 100644
--- a/pkgs/development/compilers/gcc/3.4/default.nix
+++ b/pkgs/development/compilers/gcc/3.4/default.nix
@@ -15,7 +15,12 @@ stdenv.mkDerivation {
     md5 = "4a21ac777d4b5617283ce488b808da7b";
   };
 
-  patches = if noSysDirs then [./no-sys-dirs.patch] else [];
+  patches = stdenv.lib.optional noSysDirs ./no-sys-dirs.patch;
+
+  # inspiration: https://aur.archlinux.org/packages/g77/
+  postPatch = ''
+    substituteInPlace gcc/config/i386/linux.h --replace 'struct siginfo' siginfo_t
+  '';
 
   inherit noSysDirs profiledCompiler;