From 3f1051022a999c8807d1bf45028d2ea243e6a35e Mon Sep 17 00:00:00 2001
From: Keegan McAllister <kmcallister@mozilla.com>
Date: Mon, 25 Nov 2013 13:16:26 -0800
Subject: [PATCH] rustpkg.mk: Defer shell commands until after 'define'
 expansion

This way the uname -s check will prevent us from invoking nonexistent sw_vers
on Linux.
---
 mk/rustpkg.mk | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mk/rustpkg.mk b/mk/rustpkg.mk
index 2088f03ac7e..e2b5eaafe30 100644
--- a/mk/rustpkg.mk
+++ b/mk/rustpkg.mk
@@ -12,11 +12,11 @@ DO_CLEAN_$(1) = rm -rf $$(DONE_$(1)) $(CFG_BUILD_HOME)/workspace/build/$(CFG_TAR
 
 EXTRA_RFLAGS_$(1) =
 
-ifeq ($(shell uname -s),Darwin)
-ifeq ($(shell sw_vers | grep -c 10.6),1)
+ifeq ($$(shell uname -s),Darwin)
+ifeq ($$(shell sw_vers | grep -c 10.6),1)
 EXTRA_RFLAGS_$(1) += --cfg mac_10_6
 endif
-ifeq ($(shell sw_vers | grep -c 10.7),1)
+ifeq ($$(shell sw_vers | grep -c 10.7),1)
 EXTRA_RFLAGS_$(1) += --cfg mac_10_7
 endif
 else