From 7b66b49e8f5bffbc885658f36f0fb854dfba77e8 Mon Sep 17 00:00:00 2001
From: Mauro Rossi <issor.oruam@gmail.com>
Date: Mon, 2 Jan 2017 13:03:18 +0100
Subject: [PATCH] android: re-generate git_sha1.h if git HEAD updated (v2)

Generated header git_sha1.h has to depend on the git HEAD
otherwise it will never be updated.

v2: use absolute path for --git-dir option, in order to support cases
when Android.gen.mk is invoked by other makefiles
---
 src/mesa/Android.gen.mk | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesa/Android.gen.mk b/src/mesa/Android.gen.mk
index a985f0a64b1..7c87d7d57ef 100644
--- a/src/mesa/Android.gen.mk
+++ b/src/mesa/Android.gen.mk
@@ -69,12 +69,12 @@ define es-gen
 	$(hide) $(PRIVATE_SCRIPT) $(1) $(PRIVATE_XML) > $@
 endef
 
-$(intermediates)/main/git_sha1.h:
+$(intermediates)/main/git_sha1.h: $(MESA_TOP)/.git/HEAD
 	@mkdir -p $(dir $@)
 	@echo "GIT-SHA1: $(PRIVATE_MODULE) <= git"
 	$(hide) touch $@
 	$(hide) if which git > /dev/null; then \
-			git --git-dir $(PRIVATE_PATH)/../../.git log -n 1 --oneline | \
+			git --git-dir $(MESA_TOP)/.git log -n 1 --oneline | \
 			sed 's/^\([^ ]*\) .*/#define MESA_GIT_SHA1 "git-\1"/' \
 			> $@; \
 		fi
-- 
2.11.0