[C++] Fix target specific variables with --gen_all_targets

--gen_all_targets started traversing the dependency graph from
random node. This may prevent target specific variables in
parents from being applied. With this patch, we always traverse
the graph from nodes without parents.

1 files changed, 4 insertions, 1 deletions

diff --git a/runtest.rb b/runtest.rb
index 3443930..a3babfe 100755
--- a/runtest.rb
+++ b/runtest.rb
@@ -232,7 +232,10 @@ run_make_test = proc do |mk|
       if is_silent_test
         cmd += ' -s'
       end
-      cmd += " #{tc} 2>&1"
+      if !gen_all_targets || mk =~ /makecmdgoals/
+        cmd += " #{tc}"
+      end
+      cmd += " 2>&1"
       res = IO.popen(cmd, 'r:binary', &:read)
       if via_ninja && File.exist?('build.ninja') && File.exists?('ninja.sh')
         cmd = './ninja.sh -j1 -v'