* Merged most of the stdenv-updates branch. Some stuff didn't

merge cleanly right away (kde-4, kernel stuff) so it should be
  merged later.  But the stdenv stuff is all there.

svn path=/nixpkgs/branches/stdenv-updates-merge/; revision=10793

pkgs/development/interpreters/perl/setup-hook.sh

@@ -1,7 +1,5 @@
 addPerlLibPath () {
-    if test -d $1/lib/site_perl; then
-        export PERL5LIB="${PERL5LIB}${PERL5LIB:+:}$1/lib/site_perl"
-    fi
+    addToSearchPath PERL5LIB /lib/site_perl "" $1
 }
 
 envHooks=(${envHooks[@]} addPerlLibPath)