Add a check for '' not being set. make zip doesn't work for me without it. Perhaps only a problem on Cygwin?

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27317 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/buildzip.pl b/tools/buildzip.pl
index f0a2c6a030..36af2b31f3 100755
--- a/tools/buildzip.pl
+++ b/tools/buildzip.pl
@@ -474,7 +474,11 @@ $year+=1900;
 # made once for all targets
 sub runone {
     my ($target, $fonts)=@_;
-    my $samedir = abs_path($install) == abs_path($rbdir);
+    my $samedir=0;
+    
+    if($install) {
+        $samedir = abs_path($install) == abs_path($rbdir);
+    }
 
     # build a full install .rockbox ($rbdir) directory
     buildzip($target, $fonts);