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37f1f2684f
As usual, the full release notes are found on Github: https://github.com/facebook/zstd/releases/tag/v1.4.5 Notable changes include: * Improved decompress performance on amd64 and arm (5-10% and 15-50%, respectively). * '--patch-from' zstd(1) CLI option, which provides something like a very fast version of bspatch(1) with slightly worse compression. See release notes. In this update, I dropped the 3-year old -O0 workaround for an LLVM ARM bug; the bug was fixed in LLVM SVN in 2017, but we didn't remove this workaround from our tree until now. MFC after: I won't, but feel free Relnotes: yes
62 lines
2.1 KiB
Makefile
62 lines
2.1 KiB
Makefile
# ################################################################
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# Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
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# All rights reserved.
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#
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# This source code is licensed under both the BSD-style license (found in the
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# LICENSE file in the root directory of this source tree) and the GPLv2 (found
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# in the COPYING file in the root directory of this source tree).
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# You may select, at your option, one of the above-listed licenses.
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# ################################################################
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ZSTD ?= zstd # note: requires zstd installation on local system
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UNAME?= $(shell uname)
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ifeq ($(UNAME), SunOS)
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DIFF ?= gdiff
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else
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DIFF ?= diff
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endif
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HARNESS_FILES=*.c
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MULTITHREAD_LDFLAGS = -pthread
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DEBUGFLAGS= -g -DZSTD_DEBUG=1
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CPPFLAGS += -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress \
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-I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(PRGDIR)
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CFLAGS ?= -O2
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CFLAGS += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
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-Wstrict-aliasing=1 -Wswitch-enum \
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-Wredundant-decls -Wstrict-prototypes -Wundef \
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-Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
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-std=c99
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CFLAGS += $(DEBUGFLAGS)
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CFLAGS += $(MOREFLAGS)
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FLAGS = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(MULTITHREAD_LDFLAGS)
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harness: $(HARNESS_FILES)
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$(CC) $(FLAGS) $^ -o $@
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clean:
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@$(RM) harness *.o
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@$(RM) -rf harness.dSYM # MacOS specific
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test: harness
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#
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# Testing single-file decompression with educational decoder
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#
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@$(ZSTD) -f README.md -o tmp.zst
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@./harness tmp.zst tmp
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@$(DIFF) -s tmp README.md
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@$(RM) tmp*
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#
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# Testing dictionary decompression with education decoder
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#
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# note : files are presented multiple for training, to reach minimum threshold
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@$(ZSTD) --train harness.c zstd_decompress.c zstd_decompress.h README.md \
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harness.c zstd_decompress.c zstd_decompress.h README.md \
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harness.c zstd_decompress.c zstd_decompress.h README.md \
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-o dictionary
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@$(ZSTD) -f README.md -D dictionary -o tmp.zst
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@./harness tmp.zst tmp dictionary
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@$(DIFF) -s tmp README.md
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@$(RM) tmp* dictionary
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