mirror of
https://github.com/git/git.git
synced 2024-05-10 16:36:10 +02:00
a6ef3518f9
Here is a SHA1 implementation with the core written in PPC assembly. On my 2GHz G5, it does 218MB/s, compared to 135MB/s for the openssl version or 45MB/s for the mozilla version. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
89 lines
2.1 KiB
Makefile
89 lines
2.1 KiB
Makefile
# -DCOLLISION_CHECK if you believe that SHA1's
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# 1461501637330902918203684832716283019655932542976 hashes do not give you
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# enough guarantees about no collisions between objects ever hapenning.
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#
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# -DNSEC if you want git to care about sub-second file mtimes and ctimes.
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# Note that you need some new glibc (at least >2.2.4) for this, and it will
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# BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely randomly
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# break unless your underlying filesystem supports those sub-second times
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# (my ext3 doesn't).
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CFLAGS=-g -O2 -Wall
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CC=gcc
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AR=ar
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PROG= update-cache show-diff init-db write-tree read-tree commit-tree \
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cat-file fsck-cache checkout-cache diff-tree rev-tree show-files \
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check-files ls-tree merge-base merge-cache unpack-file git-export \
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diff-cache convert-cache
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all: $(PROG)
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install: $(PROG)
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install $(PROG) $(HOME)/bin/
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LIB_OBJS=read-cache.o sha1_file.o usage.o object.o commit.o tree.o blob.o
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LIB_FILE=libgit.a
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LIB_H=cache.h object.h
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LIBS = $(LIB_FILE)
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LIBS += -lz
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ifdef MOZILLA_SHA1
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SHA1_HEADER="mozilla-sha1/sha1.h"
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LIB_OBJS += mozilla-sha1/sha1.o
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else
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ifdef PPC_SHA1
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SHA1_HEADER="ppc/sha1.h"
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LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
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else
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SHA1_HEADER=<openssl/sha.h>
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LIBS += -lssl
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endif
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endif
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CFLAGS += '-DSHA1_HEADER=$(SHA1_HEADER)'
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$(LIB_FILE): $(LIB_OBJS)
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$(AR) rcs $@ $(LIB_OBJS)
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init-db: init-db.o
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%: %.o $(LIB_FILE)
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$(CC) $(CFLAGS) -o $@ $< $(LIBS)
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blob.o: $(LIB_H)
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cat-file.o: $(LIB_H)
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check-files.o: $(LIB_H)
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checkout-cache.o: $(LIB_H)
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commit.o: $(LIB_H)
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commit-tree.o: $(LIB_H)
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convert-cache.o: $(LIB_H)
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diff-cache.o: $(LIB_H)
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diff-tree.o: $(LIB_H)
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fsck-cache.o: $(LIB_H)
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git-export.o: $(LIB_H)
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init-db.o: $(LIB_H)
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ls-tree.o: $(LIB_H)
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merge-base.o: $(LIB_H)
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merge-cache.o: $(LIB_H)
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object.o: $(LIB_H)
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read-cache.o: $(LIB_H)
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read-tree.o: $(LIB_H)
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rev-tree.o: $(LIB_H)
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sha1_file.o: $(LIB_H)
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show-diff.o: $(LIB_H)
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show-files.o: $(LIB_H)
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tree.o: $(LIB_H)
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update-cache.o: $(LIB_H)
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usage.o: $(LIB_H)
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unpack-file.o: $(LIB_H)
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write-tree.o: $(LIB_H)
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clean:
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rm -f *.o mozilla-sha1/*.o ppc/*.o $(PROG) $(LIB_FILE)
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backup: clean
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cd .. ; tar czvf dircache.tar.gz dir-cache
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