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# -DCOLLISION_CHECK if you believe that SHA1's
# 1461501637330902918203684832716283019655932542976 hashes do not give you
# enough guarantees about no collisions between objects ever hapenning.
#
# -DUSE_NSEC if you want git to care about sub-second file mtimes and ctimes.
# -DUSE_STDEV if you want git to care about st_dev changing
#
# Note that you need some new glibc (at least >2.2.4) for this, and it will
# BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely randomly
# break unless your underlying filesystem supports those sub-second times
# (my ext3 doesn't).
COPTS=-O2
CFLAGS=-g $(COPTS) -Wall
 
prefix=$(HOME)
bin=$(prefix)/bin
# dest=
 
CC=gcc
AR=ar
INSTALL=install
 
SCRIPTS=git-apply-patch-script git-merge-one-file-script git-prune-script \
	git-pull-script git-tag-script git-resolve-script git-whatchanged \
	git-deltafy-script git-fetch-script git-status-script git-commit-script
 
PROG=   git-update-cache git-diff-files git-init-db git-write-tree \
	git-read-tree git-commit-tree git-cat-file git-fsck-cache \
	git-checkout-cache git-diff-tree git-rev-tree git-ls-files \
	git-check-files git-ls-tree git-merge-base git-merge-cache \
	git-unpack-file git-export git-diff-cache git-convert-cache \
	git-http-pull git-rpush git-rpull git-rev-list git-mktag \
	git-diff-helper git-tar-tree git-local-pull git-write-blob \
	git-get-tar-commit-id git-mkdelta git-apply git-stripspace
 
all: $(PROG)
 
install: $(PROG) $(SCRIPTS)
	$(INSTALL) $(PROG) $(SCRIPTS) $(dest)$(bin)
 
LIB_OBJS=read-cache.o sha1_file.o usage.o object.o commit.o tree.o blob.o \
	 tag.o delta.o date.o index.o diff-delta.o patch-delta.o
LIB_FILE=libgit.a
LIB_H=cache.h object.h blob.h tree.h commit.h tag.h delta.h
 
LIB_H += strbuf.h
LIB_OBJS += strbuf.o
 
LIB_H += diff.h count-delta.h
LIB_OBJS += diff.o diffcore-rename.o diffcore-pickaxe.o diffcore-pathspec.o \
	count-delta.o diffcore-break.o
 
LIB_OBJS += gitenv.o
 
LIBS = $(LIB_FILE)
LIBS += -lz
 
ifdef MOZILLA_SHA1
  SHA1_HEADER="mozilla-sha1/sha1.h"
  LIB_OBJS += mozilla-sha1/sha1.o
else
ifdef PPC_SHA1
  SHA1_HEADER="ppc/sha1.h"
  LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
else
  SHA1_HEADER=<openssl/sha.h>
  LIBS += -lcrypto
endif
endif
 
CFLAGS += '-DSHA1_HEADER=$(SHA1_HEADER)'
 
$(LIB_FILE): $(LIB_OBJS)
	$(AR) rcs $@ $(LIB_OBJS)
 
test-date: test-date.c date.o
	$(CC) $(CFLAGS) -o $@ test-date.c date.o
 
test-delta: test-delta.c diff-delta.o patch-delta.o
	$(CC) $(CFLAGS) -o $@ $^
 
git-%: %.c $(LIB_FILE)
	$(CC) $(CFLAGS) -o $@ $(filter %.c,$^) $(LIBS)
 
git-update-cache: update-cache.c
git-diff-files: diff-files.c
git-init-db: init-db.c
git-write-tree: write-tree.c
git-read-tree: read-tree.c
git-commit-tree: commit-tree.c
git-cat-file: cat-file.c
git-fsck-cache: fsck-cache.c
git-checkout-cache: checkout-cache.c
git-diff-tree: diff-tree.c
git-rev-tree: rev-tree.c
git-ls-files: ls-files.c
git-check-files: check-files.c
git-ls-tree: ls-tree.c
git-merge-base: merge-base.c
git-merge-cache: merge-cache.c
git-unpack-file: unpack-file.c
git-export: export.c
git-diff-cache: diff-cache.c
git-convert-cache: convert-cache.c
git-http-pull: http-pull.c pull.c
git-local-pull: local-pull.c pull.c
git-rpush: rsh.c
git-rpull: rsh.c pull.c
git-rev-list: rev-list.c
git-mktag: mktag.c
git-diff-helper: diff-helper.c
git-tar-tree: tar-tree.c
git-write-blob: write-blob.c
git-mkdelta: mkdelta.c
git-stripspace: stripspace.c
 
git-http-pull: LIBS += -lcurl
 
# Library objects..
blob.o: $(LIB_H)
tree.o: $(LIB_H)
commit.o: $(LIB_H)
tag.o: $(LIB_H)
object.o: $(LIB_H)
read-cache.o: $(LIB_H)
sha1_file.o: $(LIB_H)
usage.o: $(LIB_H)
strbuf.o: $(LIB_H)
gitenv.o: $(LIB_H)
diff.o: $(LIB_H) diffcore.h
diffcore-rename.o : $(LIB_H) diffcore.h
diffcore-pathspec.o : $(LIB_H) diffcore.h
diffcore-pickaxe.o : $(LIB_H) diffcore.h
diffcore-break.o : $(LIB_H) diffcore.h
 
test: all
	$(MAKE) -C t/ all
 
clean:
	rm -f *.o mozilla-sha1/*.o ppc/*.o $(PROG) $(LIB_FILE)
	$(MAKE) -C Documentation/ clean
 
backup: clean
	cd .. ; tar czvf dircache.tar.gz dir-cache