From df05f49dcd49dfeafe7fdb4d2d3517d886bf6df1 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 6 Jan 2015 10:49:44 +0100
Subject: [PATCH] Fix building on Darwin

Fixes #433.
---
 src/libstore/build.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index d65e56482..e73e4a4a3 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1909,6 +1909,7 @@ void DerivationGoal::startBuilder()
     builderOut.create();
 
     /* Fork a child to build the package. */
+#if CHROOT_ENABLED
     if (useChroot) {
         /* Set up private namespaces for the build:
 
@@ -1954,7 +1955,9 @@ void DerivationGoal::startBuilder()
         pid_t tmp;
         if (!string2Int<pid_t>(readLine(builderOut.readSide), tmp)) abort();
         pid = tmp;
-    } else {
+    } else
+#endif
+    {
         ProcessOptions options;
         options.allowVfork = !buildUser.enabled();
         pid = startProcess([&]() {