Don't emit pool for phony ninja rules

Ninja phony rules don't execute anything, there is no need to put
them in a pool.

Test: ./runtest.rb -c -n ninja_pool.sh
Change-Id: I4a19f053321643f458e64d55a17b314589e2a26c

1 files changed, 1 insertions, 1 deletions

diff --git a/ninja.cc b/ninja.cc
index 53810f0..c11bc56 100644
--- a/ninja.cc
+++ b/ninja.cc
@@ -580,7 +580,7 @@ class NinjaGenerator {
       if (pool != "none") {
         *o << " pool = " << pool << "\n";
       }
-    } else if (g_flags.default_pool) {
+    } else if (g_flags.default_pool && rule_name != "phony") {
       *o << " pool = " << g_flags.default_pool << "\n";
     } else if (use_local_pool) {
       *o << " pool = local_pool\n";