* buildEnv: use $SHELL (i.e. bash) rather than /bin/sh. This allows

NixOS VM tests to be built on Ubuntu, where /bin/sh is dash rather
  than bash.

svn path=/nixpkgs/trunk/; revision=24592

pkgs/build-support/buildenv/builder.pl

@@ -10,7 +10,6 @@ STDOUT->autoflush(1);
 
 my $out = $ENV{"out"};
 
-
 my @pathsToLink = split ' ', $ENV{"pathsToLink"};
 
 sub isInPathsToLink {
@@ -153,7 +152,3 @@ my $manifest = $ENV{"manifest"};
 if ($manifest) {
     symlink($manifest, "$out/manifest") or die "cannot create manifest";
 }
-
-
-system("eval \"\$postBuild\"") == 0
-    or die "post-build hook failed";