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-rw-r--r--src/mesa/Makefile17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mesa/Makefile b/src/mesa/Makefile
index 05aea8d9307..845b524e6c5 100644
--- a/src/mesa/Makefile
+++ b/src/mesa/Makefile
@@ -36,6 +36,23 @@ MESA_CXXFLAGS := $(LLVM_CFLAGS) $(CXXFLAGS)
# then convenience libs (.a) and finally the device drivers:
default: $(DEPENDS) asm_subdirs $(MESA_LIBS) driver_subdirs
+.PHONY: main/git_sha1.h.tmp
+main/git_sha1.h.tmp:
+ @touch main/git_sha1.h.tmp
+ @if test -d ../../.git; then \
+ if which git > /dev/null; then \
+ 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
+ @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 ;\
+ fi
+
# include glapi_gen.mk for generating glapi headers for GLES
GLAPI := $(TOP)/src/mapi/glapi/gen
include $(GLAPI)/glapi_gen.mk