From 4ed96dfbc27186ba5cced3a99e25b6867cac5fd0 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Sat, 7 Aug 2010 18:41:43 +0000
Subject: [PATCH] * Ignore non-existant directories.

svn path=/nixpkgs/trunk/; revision=23026
---
 pkgs/build-support/buildenv/builder.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/build-support/buildenv/builder.pl b/pkgs/build-support/buildenv/builder.pl
index 3f9ef9e6282..a181d72ab83 100755
--- a/pkgs/build-support/buildenv/builder.pl
+++ b/pkgs/build-support/buildenv/builder.pl
@@ -108,7 +108,7 @@ sub addPkg($;$) {
 my @args = split ' ', $ENV{"paths"};
 
 foreach my $pkgDir (@args) {
-    addPkg($pkgDir, $ENV{"ignoreCollisions"} eq "1");
+    addPkg($pkgDir, $ENV{"ignoreCollisions"} eq "1") if -e $pkgDir;
 }