From bb6ef9c2edfdc2517970db9fc1ddd53495f08362 Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Thu, 16 Feb 2012 11:14:22 +0100
Subject: [PATCH] accidentally committed an = too little, which caused all
 unknown values to result in 'not building', which was not the intention

---
 src/c/hydra-eval-jobs.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/c/hydra-eval-jobs.cc b/src/c/hydra-eval-jobs.cc
index 7f79a513..22775840 100644
--- a/src/c/hydra-eval-jobs.cc
+++ b/src/c/hydra-eval-jobs.cc
@@ -178,7 +178,7 @@ static void findJobsWrapped(EvalState & state, XMLWriter & doc,
             Bindings());
     }
 
-    else if (v.type = tNull) {
+    else if (v.type == tNull) {
         // allow null values, meaning 'do nothing'
     }