From 896fd92c7acecdca8db4a6cf85dbd0dae56e15c8 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Fri, 28 Dec 2012 15:56:57 -0800
Subject: [PATCH] Fixed to only pass a SIM_GIT_COMMIT_ID to a build when the
 commit id is available

---
 makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/makefile b/makefile
index bac59a48..8a2f8ff5 100644
--- a/makefile
+++ b/makefile
@@ -349,7 +349,9 @@ else
     GIT_COMMIT_ID=$(shell if exist .git-commit-id type .git-commit-id)
   endif
 endif
-CFLAGS_GIT = -DSIM_GIT_COMMIT_ID=\"$(GIT_COMMIT_ID)\"
+ifneq (,$(GIT_COMMIT_ID))
+  CFLAGS_GIT = -DSIM_GIT_COMMIT_ID=\"$(GIT_COMMIT_ID)\"
+endif
 ifneq ($(DEBUG),)
   CFLAGS_G = -g -ggdb -g3
   CFLAGS_O = -O0