diff --git a/pkgs/development/compilers/gcc/4.6/default.nix b/pkgs/development/compilers/gcc/4.6/default.nix
index c94a9285b29b..ec229a46a546 100644
--- a/pkgs/development/compilers/gcc/4.6/default.nix
+++ b/pkgs/development/compilers/gcc/4.6/default.nix
@@ -51,7 +51,10 @@ let version = "4.6.3";
     # Whether building a cross-compiler for GNU/Hurd.
     crossGNU = cross != null && cross.config == "i586-pc-gnu";
 
-    patches = [ ]
+    patches =
+      [ # Fix building on Glibc 2.16.
+        ./siginfo_t_fix.patch
+      ]
       ++ optional (cross != null) ./libstdc++-target.patch
       ++ optional noSysDirs ./no-sys-dirs.patch
       # The GNAT Makefiles did not pay attention to CFLAGS_FOR_TARGET for its
diff --git a/pkgs/development/compilers/gcc/4.6/siginfo_t_fix.patch b/pkgs/development/compilers/gcc/4.6/siginfo_t_fix.patch
new file mode 100644
index 000000000000..5b5898196564
--- /dev/null
+++ b/pkgs/development/compilers/gcc/4.6/siginfo_t_fix.patch
@@ -0,0 +1,16 @@
+From http://pastebin.com/VkgE27Pd
+
+--- a/gcc/config/i386/linux-unwind.h	2011-01-03 20:52:22.000000000 +0000
++++ b/gcc/config/i386/linux-unwind.h	2012-07-06 12:23:51.562859470 +0100
+@@ -133,9 +133,9 @@
+     {
+       struct rt_sigframe {
+ 	int sig;
+-	struct siginfo *pinfo;
++	siginfo_t *pinfo;
+ 	void *puc;
+-	struct siginfo info;
++	siginfo_t info;
+ 	struct ucontext uc;
+       } *rt_ = context->cfa;
+       /* The void * cast is necessary to avoid an aliasing warning.
\ No newline at end of file