From 4624c8bc3f5b3aba4cdc048b755e11aba75f574c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 14 Mar 2008 13:46:47 +0000
Subject: [PATCH] * klibShrunk: just the klibc binaries without header files
 etc; useful   for installation in initrds.

svn path=/nixpkgs/trunk/; revision=11125
---
 pkgs/os-specific/linux/klibc/shrunk.nix | 20 ++++++++++++++++++++
 pkgs/top-level/all-packages.nix         |  6 +++++-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/os-specific/linux/klibc/shrunk.nix

diff --git a/pkgs/os-specific/linux/klibc/shrunk.nix b/pkgs/os-specific/linux/klibc/shrunk.nix
new file mode 100644
index 00000000000..828e4691623
--- /dev/null
+++ b/pkgs/os-specific/linux/klibc/shrunk.nix
@@ -0,0 +1,20 @@
+{stdenv, klibc}:
+
+stdenv.mkDerivation {
+  name = "${klibc.name}";
+  buildCommand = ''
+    ensureDir $out/lib
+    cp -prd ${klibc}/lib/klibc/bin $out/
+    cp -p ${klibc}/lib/*.so $out/lib/
+    chmod +w $out/*
+    old=$(echo ${klibc}/lib/klibc-*.so)
+    new=$(echo $out/lib/klibc-*.so)
+    for i in $out/bin/*; do
+      echo $i
+      sed "s^$old^$new^" -i $i
+      # !!! use patchelf
+      #patchelf --set-rpath /foo/bar $i
+    done
+  ''; # */
+  allowedReferences = ["out"];
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f3c63624c01..c20225bbee1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4165,7 +4165,11 @@ rec {
 
   klibc = import ../os-specific/linux/klibc {
     inherit fetchurl stdenv perl bison mktemp;
-	kernel = systemKernel;
+    kernel = systemKernel;
+  };
+
+  klibcShrunk = import ../os-specific/linux/klibc/shrunk.nix {
+    inherit stdenv klibc;
   };
 
   kvm = kvm57;