* Renamed orig-glibc -> orig-libc in some places, and in others, use

the new $NIX_GCC/nix-support/dynamic-linker file to locate the
  dynamic linker directly (don't hardcode ld-linux.so.2).

svn path=/nixpkgs/trunk/; revision=6873

pkgs/development/interpreters/perl/builder.sh

@@ -1,6 +1,6 @@
 source $stdenv/setup
 
-if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE"; then
+if test "$NIX_ENFORCE_PURITY" = "1"; then
     GLIBC=$(cat $NIX_GCC/nix-support/orig-libc)
     extraflags="-Dlocincpth=$GLIBC/include -Dloclibpth=$GLIBC/lib"
 fi