automake: include the git sha in the opengl version string for oot builds

Acked-by: Chad Versace <chad.versace@linux.intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

diff --git a/src/mesa/Makefile.am b/src/mesa/Makefile.am
index 8843836..cb038a5 100644 (file)
--- a/src/mesa/Makefile.am
+++ b/src/mesa/Makefile.am
@@ -36,18 +36,18 @@ endif
 gldir = $(includedir)/GL
 gl_HEADERS = $(top_srcdir)/include/GL/*.h
 
-.PHONY: main/git_sha1.h.tmp
-main/git_sha1.h.tmp:
+.PHONY: $(BUILDDIR)main/git_sha1.h.tmp
+$(BUILDDIR)main/git_sha1.h.tmp:
        @touch main/git_sha1.h.tmp
-       @if test -d ../../.git; then \
+       @if test -d $(top_srcdir)/.git; then \
                if which git > /dev/null; then \
-                   git log -n 1 --oneline | \
+                   git --git-dir=$(top_srcdir)/.git log -n 1 --oneline | \
                        sed 's/^\([^ ]*\) .*/#define MESA_GIT_SHA1 "git-\1"/' \
                        > main/git_sha1.h.tmp ; \
                fi \
        fi
 
-main/git_sha1.h: main/git_sha1.h.tmp
+$(BUILDDIR)main/git_sha1.h: $(BUILDDIR)main/git_sha1.h.tmp
        @echo "updating main/git_sha1.h"
        @if ! cmp -s main/git_sha1.h.tmp main/git_sha1.h; then \
                mv main/git_sha1.h.tmp main/git_sha1.h ;\
@@ -63,8 +63,8 @@ BUILDDIR = $(builddir)/
 include Makefile.sources
 
 BUILT_SOURCES = \
-       main/git_sha1.h \
        main/get_hash.h \
+       $(BUILDDIR)main/git_sha1.h \
        $(BUILDDIR)program/program_parse.tab.c \
        $(BUILDDIR)program/lex.yy.c
 CLEANFILES = \