From 149b8bc4d058fc6acb6e2efb390e8e41c010d0d7 Mon Sep 17 00:00:00 2001
From: Stewart Smith <stewart@linux.vnet.ibm.com>
Date: Wed, 19 Nov 2014 14:44:57 +1100
Subject: Fail build when SKIBOOT_VERSION not set and not in git tree

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
---
 Makefile.main | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile.main b/Makefile.main
index b584eb8..b212998 100644
--- a/Makefile.main
+++ b/Makefile.main
@@ -139,7 +139,12 @@ VERSION ?= $(shell cd $(SRC); GIT_DIR=$(SRC)/.git $(SRC)/make_version.sh)
 	@rm -f $@.tmp
 
 version.c: make_version.sh $(OBJS_NO_VER) .version
-	@echo "const char version[] = \"$(VERSION)\";" > $@
+	@echo $(VERSION)
+	@(if [ "a$(VERSION)" = "a" ]; then \
+		echo "#error You need to set SKIBOOT_VERSION environment variable" > $@ ;\
+        else \
+                echo "const char version[] = \"$(VERSION)\";" ;\
+        fi) > $@
 
 .PHONY: coverage
 include $(shell find $(SRC)/* -name Makefile.check)
-- 
cgit v1.1