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-rw-r--r--cgit.mk9
1 files changed, 8 insertions, 1 deletions
diff --git a/cgit.mk b/cgit.mk
index 4869c55..c8ecd3a 100644
--- a/cgit.mk
+++ b/cgit.mk
@@ -15,7 +15,6 @@ $(CGIT_PREFIX)VERSION: force-version
# CGIT_CFLAGS is a separate variable so that we can track it separately
# and avoid rebuilding all of Git when these variables change.
-CGIT_CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
CGIT_CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
CGIT_CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
CGIT_CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
@@ -53,6 +52,14 @@ CGIT_OBJ_NAMES += vector.o
CGIT_OBJS := $(addprefix $(CGIT_PREFIX),$(CGIT_OBJ_NAMES))
+# Only cgit.c reference CGIT_VERSION so we only rebuild its objects when the
+# version changes.
+CGIT_VERSION_OBJS := $(addprefix $(CGIT_PREFIX),cgit.o)
+$(CGIT_VERSION_OBJS): $(CGIT_PREFIX)VERSION
+$(CGIT_VERSION_OBJS): EXTRA_CPPFLAGS = \
+ -DCGIT_VERSION='"$(CGIT_VERSION)"'
+
+
ifeq ($(wildcard $(CGIT_PREFIX).depend),)
missing_dep_dirs += $(CGIT_PREFIX).depend
endif