a5e4ad2d8b
Git calculates the dependency files to be included using a simply expanded Makefile variable, so it does not include the CGit objects that are added after that Makefile has been processed. We therefore need to include the dependency files ourselves in order to get the dependency calculations right. Do this. Signed-off-by: John Keeping <john@keeping.me.uk>
92 line
2.9 KiB
Makefile
92 line
2.9 KiB
Makefile
# This Makefile is run in the "git" directory in order to re-use Git's
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# build variables and operating system detection. Hence all files in
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# CGit's directory must be prefixed with "../".
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include Makefile
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CGIT_PREFIX = ../
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-include $(CGIT_PREFIX)cgit.conf
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# The CGIT_* variables are inherited when this file is called from the
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# main Makefile - they are defined there.
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$(CGIT_PREFIX)VERSION: force-version
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@cd $(CGIT_PREFIX) && '$(SHELL_PATH_SQ)' ./gen-version.sh "$(CGIT_VERSION)"
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-include $(CGIT_PREFIX)VERSION
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.PHONY: force-version
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# CGIT_CFLAGS is a separate variable so that we can track it separately
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# and avoid rebuilding all of Git when these variables change.
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CGIT_CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
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CGIT_CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
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CGIT_CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
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ifdef NO_C99_FORMAT
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CFLAGS += -DNO_C99_FORMAT
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endif
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CGIT_OBJ_NAMES += cgit.o
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CGIT_OBJ_NAMES += cache.o
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CGIT_OBJ_NAMES += cmd.o
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CGIT_OBJ_NAMES += configfile.o
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CGIT_OBJ_NAMES += html.o
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CGIT_OBJ_NAMES += parsing.o
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CGIT_OBJ_NAMES += scan-tree.o
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CGIT_OBJ_NAMES += shared.o
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CGIT_OBJ_NAMES += ui-atom.o
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CGIT_OBJ_NAMES += ui-blob.o
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CGIT_OBJ_NAMES += ui-clone.o
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CGIT_OBJ_NAMES += ui-commit.o
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CGIT_OBJ_NAMES += ui-diff.o
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CGIT_OBJ_NAMES += ui-log.o
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CGIT_OBJ_NAMES += ui-patch.o
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CGIT_OBJ_NAMES += ui-plain.o
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CGIT_OBJ_NAMES += ui-refs.o
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CGIT_OBJ_NAMES += ui-repolist.o
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CGIT_OBJ_NAMES += ui-shared.o
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CGIT_OBJ_NAMES += ui-snapshot.o
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CGIT_OBJ_NAMES += ui-ssdiff.o
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CGIT_OBJ_NAMES += ui-stats.o
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CGIT_OBJ_NAMES += ui-summary.o
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CGIT_OBJ_NAMES += ui-tag.o
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CGIT_OBJ_NAMES += ui-tree.o
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CGIT_OBJ_NAMES += vector.o
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CGIT_OBJS := $(addprefix $(CGIT_PREFIX),$(CGIT_OBJ_NAMES))
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# Only cgit.c reference CGIT_VERSION so we only rebuild its objects when the
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# version changes.
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CGIT_VERSION_OBJS := $(addprefix $(CGIT_PREFIX),cgit.o)
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$(CGIT_VERSION_OBJS): $(CGIT_PREFIX)VERSION
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$(CGIT_VERSION_OBJS): EXTRA_CPPFLAGS = \
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-DCGIT_VERSION='"$(CGIT_VERSION)"'
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# Git handles dependencies using ":=" so dependencies in CGIT_OBJ are not
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# handled by that and we must handle them ourselves.
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cgit_dep_files := $(foreach f,$(CGIT_OBJS),$(dir $f).depend/$(notdir $f).d)
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cgit_dep_files_present := $(wildcard $(cgit_dep_files))
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ifneq ($(cgit_dep_files_present),)
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include $(cgit_dep_files_present)
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endif
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ifeq ($(wildcard $(CGIT_PREFIX).depend),)
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missing_dep_dirs += $(CGIT_PREFIX).depend
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endif
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$(CGIT_PREFIX).depend:
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@mkdir -p $@
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$(CGIT_PREFIX)CGIT-CFLAGS: FORCE
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@FLAGS='$(subst ','\'',$(CGIT_CFLAGS))'; \
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if test x"$$FLAGS" != x"`cat ../CGIT-CFLAGS 2>/dev/null`" ; then \
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echo 1>&2 " * new CGit build flags"; \
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echo "$$FLAGS" >$(CGIT_PREFIX)CGIT-CFLAGS; \
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fi
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$(CGIT_OBJS): %.o: %.c GIT-CFLAGS $(CGIT_PREFIX)CGIT-CFLAGS $(missing_dep_dirs)
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$(QUIET_CC)$(CC) -o $*.o -c $(dep_args) $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $(CGIT_CFLAGS) $<
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$(CGIT_PREFIX)cgit: $(CGIT_OBJS) GIT-LDFLAGS $(GITLIBS)
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$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
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