From bfbdd69b2fba243ccf4d83e167363563e9786497 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 24 May 2007 13:33:23 +0000
Subject: [PATCH] * Make a symlink "lib64" to "lib" to fix ldd (which looks for
 the   dynamic linker in lib64 on x86_64).  (NIXOS-54)

svn path=/nixpkgs/trunk/; revision=8741
---
 pkgs/development/libraries/glibc/builder.sh  | 6 ++++++
 pkgs/development/libraries/glibc/default.nix | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/pkgs/development/libraries/glibc/builder.sh b/pkgs/development/libraries/glibc/builder.sh
index f8726fd31d23..8d5d6908f045 100644
--- a/pkgs/development/libraries/glibc/builder.sh
+++ b/pkgs/development/libraries/glibc/builder.sh
@@ -56,6 +56,12 @@ postInstall() {
     # appears to be a regression:
     # http://www.mail-archive.com/debian-glibc@lists.debian.org/msg31543.html
     cp ../$sourceRoot/linuxthreads/semaphore.h $out/include
+
+    # Fix for NIXOS-54 (ldd not working on x86_64).  Make a symlink
+    # "lib64" to "lib".
+    if test -n "$is64bit"; then
+        ln -s lib $out/lib64
+    fi
 }
 
 
diff --git a/pkgs/development/libraries/glibc/default.nix b/pkgs/development/libraries/glibc/default.nix
index 086747e9dcc6..e4720cf56d52 100644
--- a/pkgs/development/libraries/glibc/default.nix
+++ b/pkgs/development/libraries/glibc/default.nix
@@ -21,6 +21,8 @@ stdenv.mkDerivation {
 
   inherit kernelHeaders installLocales;
 
+  inherit (stdenv) is64bit;
+
   # `--with-tls --without-__thread' enables support for TLS but causes
   # it not to be used.  Required if we don't want to barf on 2.4
   # kernels.  Or something.