1 files changed, 28 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/klibc/shrunk.nix b/nixpkgs/pkgs/os-specific/linux/klibc/shrunk.nix
new file mode 100644
index 000000000000..f01f3b6a4ec3
--- /dev/null
+++ b/nixpkgs/pkgs/os-specific/linux/klibc/shrunk.nix
@@ -0,0 +1,28 @@
+{stdenv, klibc}:
+
+stdenv.mkDerivation {
+  # !!! For now, the name has to be exactly as long as the original
+  # name due to the sed hackery below.  Once patchelf 0.4 is in the
+  # tree, we can do this properly.
+  #name = "${klibc.name}-shrunk";
+  name = "${klibc.name}";
+  buildCommand = ''
+    mkdir -p $out/lib
+    cp -prd ${klibc.out}/lib/klibc/bin $out/
+    cp -p ${klibc.out}/lib/*.so $out/lib/
+    chmod +w $out/*
+    old=$(echo ${klibc.out}/lib/klibc-*.so)
+    new=$(echo $out/lib/klibc-*.so)
+    for i in $out/bin/*; do
+      echo $i
+      sed "s^$old^$new^" -i $i
+      # !!! use patchelf
+      #patchelf --set-interpreter $new $i
+    done
+  ''; # */
+  allowedReferences = ["out"];
+
+  meta = {
+    platforms = stdenv.lib.platforms.linux;
+  };
+}