mirror of
https://github.com/facebook/zstd.git
synced 2024-11-28 04:27:58 +08:00
812e8f2a16
* perf improvements for zstd decode tldr: 7.5% average decode speedup on silesia corpus at compression levels 1-3 (sandy bridge) Background: while investigating zstd perf differences between clang and gcc I noticed that even though gcc is vectorizing the loop in in wildcopy, it was not being done as well as could be done by hand. The sites where wildcopy is invoked have an interesting distribution of lengths to be copied. The loop trip count is rarely above 1, yet long copies are common enough to make their performance important.The code in zstd_decompress.c to invoke wildcopy handles the latter well but the gcc autovectorizer introduces a needlessly expensive startup check for vectorization. See how GCC autovectorizes the loop here: https://godbolt.org/z/apr0x0 Here is the code after this diff has been applied: (left hand side is the good one, right is with vectorizer on) After: https://godbolt.org/z/OwO4F8 Note that autovectorization still does not do a good job on the optimized version, so it's turned off\ via attribute and flag. I found that neither attribute nor command-line flag were entirely successful in turning off vectorization, which is why there were both. silesia benchmark data - second triad of each file is with the original code: file orig compressedratio encode decode change 1#dickens 10192446-> 4268865(2.388), 198.9MB/s 709.6MB/s 2#dickens 10192446-> 3876126(2.630), 128.7MB/s 552.5MB/s 3#dickens 10192446-> 3682956(2.767), 104.6MB/s 537MB/s 1#dickens 10192446-> 4268865(2.388), 195.4MB/s 659.5MB/s 7.60% 2#dickens 10192446-> 3876126(2.630), 127MB/s 516.3MB/s 7.01% 3#dickens 10192446-> 3682956(2.767), 105MB/s 479.5MB/s 11.99% 1#mozilla 51220480-> 20117517(2.546), 285.4MB/s 734.9MB/s 2#mozilla 51220480-> 19067018(2.686), 220.8MB/s 686.3MB/s 3#mozilla 51220480-> 18508283(2.767), 152.2MB/s 669.4MB/s 1#mozilla 51220480-> 20117517(2.546), 283.4MB/s 697.9MB/s 5.30% 2#mozilla 51220480-> 19067018(2.686), 225.9MB/s 665MB/s 3.20% 3#mozilla 51220480-> 18508283(2.767), 154.5MB/s 640.6MB/s 4.50% 1#mr 9970564-> 3840242(2.596), 262.4MB/s 899.8MB/s 2#mr 9970564-> 3600976(2.769), 181.2MB/s 717.9MB/s 3#mr 9970564-> 3563987(2.798), 116.3MB/s 620MB/s 1#mr 9970564-> 3840242(2.596), 253.2MB/s 827.3MB/s 8.76% 2#mr 9970564-> 3600976(2.769), 177.4MB/s 655.4MB/s 9.54% 3#mr 9970564-> 3563987(2.798), 111.2MB/s 564.2MB/s 9.89% 1#nci 33553445-> 2849306(11.78), 575.2MB/s , 1335.8MB/s 2#nci 33553445-> 2890166(11.61), 509.3MB/s , 1238.1MB/s 3#nci 33553445-> 2857408(11.74), 431MB/s , 1210.7MB/s 1#nci 33553445-> 2849306(11.78), 565.4MB/s , 1220.2MB/s 9.47% 2#nci 33553445-> 2890166(11.61), 508.2MB/s , 1128.4MB/s 9.72% 3#nci 33553445-> 2857408(11.74), 429.1MB/s , 1097.7MB/s 10.29% 1#ooffice 6152192-> 3590954(1.713), 231.4MB/s , 662.6MB/s 2#ooffice 6152192-> 3323931(1.851), 162.8MB/s , 592.6MB/s 3#ooffice 6152192-> 3145625(1.956), 99.9MB/s , 549.6MB/s 1#ooffice 6152192-> 3590954(1.713), 224.7MB/s , 624.2MB/s 6.15% 2#ooffice 6152192-> 3323931 (1.851), 155MB/s , 564.5MB/s 4.98% 3#ooffice 6152192-> 3145625(1.956), 101.1MB/s , 521.2MB/s 5.45% 1#osdb 10085684-> 3739042(2.697), 271.9MB/s 876.4MB/s 2#osdb 10085684-> 3493875(2.887), 208.2MB/s 857MB/s 3#osdb 10085684-> 3515831(2.869), 135.3MB/s 805.4MB/s 1#osdb 10085684-> 3739042(2.697), 257.4MB/s 793.8MB/s 10.41% 2#osdb 10085684-> 3493875(2.887), 209.7MB/s 776.1MB/s 10.42% 3#osdb 10085684-> 3515831(2.869), 130.6MB/s 727.7MB/s 10.68% 1#reymont 6627202-> 2152771(3.078), 198.9MB/s 696.2MB/s 2#reymont 6627202-> 2071140(3.200), 170MB/s 595.2MB/s 3#reymont 6627202-> 1953597(3.392), 128.5MB/s 609.7MB/s 1#reymont 6627202-> 2152771(3.078), 199.6MB/s 655.2MB/s 6.26% 2#reymont 6627202-> 2071140(3.200), 168.2MB/s 554.4MB/s 7.36% 3#reymont 6627202-> 1953597(3.392), 128.7MB/s 557.4MB/s 9.38% 1#samba 21606400-> 5510994(3.921), 338.1MB/s 1066MB/s 2#samba 21606400-> 5240208(4.123), 258.7MB/s 992.3MB/s 3#samba 21606400-> 5003358(4.318), 200.2MB/s 991.1MB/s 1#samba 21606400-> 5510994(3.921), 330.8MB/s 974MB/s 9.45% 2#samba 21606400-> 5240208(4.123), 257.9MB/s 919.4MB/s 7.93% 3#samba 21606400-> 5003358(4.318), 198.5MB/s 908.9MB/s 9.04% 1#sao 7251944-> 6256401(1.159), 194.6MB/s 602.2MB/s 2#sao 7251944-> 5808761(1.248), 128.2MB/s 532.1MB/s 3#sao 7251944-> 5556318(1.305), 73MB/s 509.4MB/s 1#sao 7251944-> 6256401(1.159), 198.7MB/s 580.7MB/s 3.70% 2#sao 7251944-> 5808761(1.248), 129.1MB/s 502.7MB/s 5.85% 3#sao 7251944-> 5556318(1.305), 74.6MB/s 493.1MB/s 3.31% 1#webster 41458703-> 13692222(3.028), 222.3MB/s 752MB/s 2#webster 41458703-> 12842646(3.228), 157.6MB/s 532.2MB/s 3#webster 41458703-> 12191964(3.400), 124MB/s 468.5MB/s 1#webster 41458703-> 13692222(3.028), 219.7MB/s 697MB/s 7.89% 2#webster 41458703-> 12842646(3.228), 153.9MB/s 495.4MB/s 7.43% 3#webster 41458703-> 12191964(3.400), 124.8MB/s 444.8MB/s 5.33% 1#xml 5345280-> 696652(7.673), 485MB/s , 1333.9MB/s 2#xml 5345280-> 681492(7.843), 405.2MB/s , 1237.5MB/s 3#xml 5345280-> 639057(8.364), 328.5MB/s , 1281.3MB/s 1#xml 5345280-> 696652(7.673), 473.1MB/s , 1232.4MB/s 8.24% 2#xml 5345280-> 681492(7.843), 398.6MB/s , 1145.9MB/s 7.99% 3#xml 5345280-> 639057(8.364), 327.1MB/s , 1175MB/s 9.05% 1#x-ray 8474240-> 6772557(1.251), 521.3MB/s 762.6MB/s 2#x-ray 8474240-> 6684531(1.268), 230.5MB/s 688.5MB/s 3#x-ray 8474240-> 6166679(1.374), 68.7MB/s 478.8MB/s 1#x-ray 8474240-> 6772557(1.251), 502.8MB/s 736.7MB/s 3.52% 2#x-ray 8474240-> 6684531(1.268), 224.4MB/s 662MB/s 4.00% 3#x-ray 8474240-> 6166679(1.374), 67.3MB/s 437.8MB/s 9.37% 7.51% * makefile changed to only pass -fno-tree-vectorize to gcc * <Replace this line with a title. Use 1 line only, 67 chars or less> Don't add "no-tree-vectorize" attribute on clang (which defines __GNUC__) * fix for warning/error with subtraction of void* pointers * fix c90 conformance issue - ISO C90 forbids mixed declarations and code * Fix assert for negative diff, only when there is no overlap * fix overflow revealed in fuzzing tests * tweak for small speed increase
292 lines
9.2 KiB
Makefile
292 lines
9.2 KiB
Makefile
# ################################################################
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# Copyright (c) 2015-present, 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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# ################################################################
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# Version numbers
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LIBVER_MAJOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MAJOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < ./zstd.h`
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LIBVER_MINOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MINOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < ./zstd.h`
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LIBVER_PATCH_SCRIPT:=`sed -n '/define ZSTD_VERSION_RELEASE/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < ./zstd.h`
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LIBVER_SCRIPT:= $(LIBVER_MAJOR_SCRIPT).$(LIBVER_MINOR_SCRIPT).$(LIBVER_PATCH_SCRIPT)
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LIBVER_MAJOR := $(shell echo $(LIBVER_MAJOR_SCRIPT))
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LIBVER_MINOR := $(shell echo $(LIBVER_MINOR_SCRIPT))
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LIBVER_PATCH := $(shell echo $(LIBVER_PATCH_SCRIPT))
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LIBVER := $(shell echo $(LIBVER_SCRIPT))
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VERSION?= $(LIBVER)
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CCVER := $(shell $(CC) --version)
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CPPFLAGS+= -I. -I./common -DXXH_NAMESPACE=ZSTD_
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ifeq ($(OS),Windows_NT) # MinGW assumed
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CPPFLAGS += -D__USE_MINGW_ANSI_STDIO # compatibility with %zu formatting
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endif
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CFLAGS ?= -O3
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DEBUGFLAGS= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
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-Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
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-Wstrict-prototypes -Wundef -Wpointer-arith \
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-Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
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-Wredundant-decls -Wmissing-prototypes -Wc++-compat
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CFLAGS += $(DEBUGFLAGS) $(MOREFLAGS)
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FLAGS = $(CPPFLAGS) $(CFLAGS)
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HAVE_COLORNEVER = $(shell echo a | grep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0)
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GREP_OPTIONS ?=
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ifeq ($HAVE_COLORNEVER, 1)
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GREP_OPTIONS += --color=never
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endif
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GREP = grep $(GREP_OPTIONS)
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ZSTDCOMMON_FILES := $(sort $(wildcard common/*.c))
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ZSTDCOMP_FILES := $(sort $(wildcard compress/*.c))
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ZSTDDECOMP_FILES := $(sort $(wildcard decompress/*.c))
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ZDICT_FILES := $(sort $(wildcard dictBuilder/*.c))
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ZDEPR_FILES := $(sort $(wildcard deprecated/*.c))
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ZSTD_FILES := $(ZSTDCOMMON_FILES)
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ifeq ($(findstring GCC,$(CCVER)),GCC)
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decompress/zstd_decompress_block.o : CFLAGS+=-fno-tree-vectorize
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endif
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ZSTD_LEGACY_SUPPORT ?= 5
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ZSTD_LIB_COMPRESSION ?= 1
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ZSTD_LIB_DECOMPRESSION ?= 1
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ZSTD_LIB_DICTBUILDER ?= 1
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ZSTD_LIB_DEPRECATED ?= 1
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HUF_FORCE_DECOMPRESS_X1 ?= 0
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HUF_FORCE_DECOMPRESS_X2 ?= 0
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ZSTD_FORCE_DECOMPRESS_SHORT ?= 0
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ZSTD_FORCE_DECOMPRESS_LONG ?= 0
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ZSTD_NO_INLINE ?= 0
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ZSTD_STRIP_ERROR_STRINGS ?= 0
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ZSTD_LEGACY_MULTITHREADED_API ?= 0
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ifeq ($(ZSTD_LIB_COMPRESSION), 0)
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ZSTD_LIB_DICTBUILDER = 0
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ZSTD_LIB_DEPRECATED = 0
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endif
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ifeq ($(ZSTD_LIB_DECOMPRESSION), 0)
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ZSTD_LEGACY_SUPPORT = 0
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ZSTD_LIB_DEPRECATED = 0
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endif
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ifneq ($(ZSTD_LIB_COMPRESSION), 0)
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ZSTD_FILES += $(ZSTDCOMP_FILES)
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endif
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ifneq ($(ZSTD_LIB_DECOMPRESSION), 0)
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ZSTD_FILES += $(ZSTDDECOMP_FILES)
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endif
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ifneq ($(ZSTD_LIB_DEPRECATED), 0)
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ZSTD_FILES += $(ZDEPR_FILES)
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endif
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ifneq ($(ZSTD_LIB_DICTBUILDER), 0)
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ZSTD_FILES += $(ZDICT_FILES)
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endif
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ifneq ($(HUF_FORCE_DECOMPRESS_X1), 0)
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CFLAGS += -DHUF_FORCE_DECOMPRESS_X1
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endif
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ifneq ($(HUF_FORCE_DECOMPRESS_X2), 0)
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CFLAGS += -DHUF_FORCE_DECOMPRESS_X2
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endif
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ifneq ($(ZSTD_FORCE_DECOMPRESS_SHORT), 0)
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CFLAGS += -DZSTD_FORCE_DECOMPRESS_SHORT
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endif
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ifneq ($(ZSTD_FORCE_DECOMPRESS_LONG), 0)
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CFLAGS += -DZSTD_FORCE_DECOMPRESS_LONG
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endif
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ifneq ($(ZSTD_NO_INLINE), 0)
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CFLAGS += -DZSTD_NO_INLINE
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endif
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ifneq ($(ZSTD_STRIP_ERROR_STRINGS), 0)
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CFLAGS += -DZSTD_STRIP_ERROR_STRINGS
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endif
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ifneq ($(ZSTD_LEGACY_MULTITHREADED_API), 0)
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CFLAGS += -DZSTD_LEGACY_MULTITHREADED_API
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endif
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ifneq ($(ZSTD_LEGACY_SUPPORT), 0)
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ifeq ($(shell test $(ZSTD_LEGACY_SUPPORT) -lt 8; echo $$?), 0)
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ZSTD_FILES += $(shell ls legacy/*.c | $(GREP) 'v0[$(ZSTD_LEGACY_SUPPORT)-7]')
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endif
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CPPFLAGS += -I./legacy
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endif
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CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
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ZSTD_OBJ := $(patsubst %.c,%.o,$(ZSTD_FILES))
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# macOS linker doesn't support -soname, and use different extension
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# see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
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ifeq ($(shell uname), Darwin)
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SHARED_EXT = dylib
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SHARED_EXT_MAJOR = $(LIBVER_MAJOR).$(SHARED_EXT)
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SHARED_EXT_VER = $(LIBVER).$(SHARED_EXT)
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SONAME_FLAGS = -install_name $(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR) -compatibility_version $(LIBVER_MAJOR) -current_version $(LIBVER)
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else
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SONAME_FLAGS = -Wl,-soname=libzstd.$(SHARED_EXT).$(LIBVER_MAJOR)
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SHARED_EXT = so
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SHARED_EXT_MAJOR = $(SHARED_EXT).$(LIBVER_MAJOR)
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SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
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endif
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.PHONY: default all clean install uninstall
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default: lib-release
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all: lib
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libzstd.a: ARFLAGS = rcs
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libzstd.a: $(ZSTD_OBJ)
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@echo compiling static library
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@$(AR) $(ARFLAGS) $@ $^
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libzstd.a-mt: CPPFLAGS += -DZSTD_MULTITHREAD
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libzstd.a-mt: libzstd.a
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ifneq (,$(filter Windows%,$(OS)))
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LIBZSTD = dll\libzstd.dll
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$(LIBZSTD): $(ZSTD_FILES)
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@echo compiling dynamic library $(LIBVER)
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$(CC) $(FLAGS) -DZSTD_DLL_EXPORT=1 -Wl,--out-implib,dll\libzstd.lib -shared $^ -o $@
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else
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LIBZSTD = libzstd.$(SHARED_EXT_VER)
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$(LIBZSTD): LDFLAGS += -shared -fPIC -fvisibility=hidden
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$(LIBZSTD): $(ZSTD_FILES)
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@echo compiling dynamic library $(LIBVER)
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@$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
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@echo creating versioned links
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@ln -sf $@ libzstd.$(SHARED_EXT_MAJOR)
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@ln -sf $@ libzstd.$(SHARED_EXT)
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endif
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libzstd : $(LIBZSTD)
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libzstd-mt : CPPFLAGS += -DZSTD_MULTITHREAD
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libzstd-mt : libzstd
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lib: libzstd.a libzstd
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lib-mt: CPPFLAGS += -DZSTD_MULTITHREAD
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lib-mt: lib
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lib-release lib-release-mt: DEBUGFLAGS :=
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lib-release: lib
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lib-release-mt: lib-mt
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# Special case : building library in single-thread mode _and_ without zstdmt_compress.c
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ZSTDMT_FILES = compress/zstdmt_compress.c
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ZSTD_NOMT_FILES = $(filter-out $(ZSTDMT_FILES),$(ZSTD_FILES))
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libzstd-nomt: LDFLAGS += -shared -fPIC -fvisibility=hidden
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libzstd-nomt: $(ZSTD_NOMT_FILES)
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@echo compiling single-thread dynamic library $(LIBVER)
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@echo files : $(ZSTD_NOMT_FILES)
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@$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
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clean:
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@$(RM) -r *.dSYM # macOS-specific
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@$(RM) core *.o *.a *.gcda *.$(SHARED_EXT) *.$(SHARED_EXT).* libzstd.pc
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@$(RM) dll/libzstd.dll dll/libzstd.lib libzstd-nomt*
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@$(RM) common/*.o compress/*.o decompress/*.o dictBuilder/*.o legacy/*.o deprecated/*.o
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@echo Cleaning library completed
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#-----------------------------------------------------------------------------
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# make install is validated only for Linux, macOS, BSD, Hurd and Solaris targets
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#-----------------------------------------------------------------------------
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ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku))
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DESTDIR ?=
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# directory variables : GNU conventions prefer lowercase
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# see https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html
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# support both lower and uppercase (BSD), use uppercase in script
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prefix ?= /usr/local
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PREFIX ?= $(prefix)
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exec_prefix ?= $(PREFIX)
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libdir ?= $(exec_prefix)/lib
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LIBDIR ?= $(libdir)
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includedir ?= $(PREFIX)/include
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INCLUDEDIR ?= $(includedir)
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ifneq (,$(filter $(shell uname),FreeBSD NetBSD DragonFly))
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PKGCONFIGDIR ?= $(PREFIX)/libdata/pkgconfig
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else
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PKGCONFIGDIR ?= $(LIBDIR)/pkgconfig
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endif
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ifneq (,$(filter $(shell uname),SunOS))
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INSTALL ?= ginstall
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else
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INSTALL ?= install
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endif
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INSTALL_PROGRAM ?= $(INSTALL)
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INSTALL_DATA ?= $(INSTALL) -m 644
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libzstd.pc:
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libzstd.pc: libzstd.pc.in
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@echo creating pkgconfig
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@sed -e 's|@PREFIX@|$(PREFIX)|' \
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-e 's|@LIBDIR@|$(LIBDIR)|' \
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-e 's|@INCLUDEDIR@|$(INCLUDEDIR)|' \
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-e 's|@VERSION@|$(VERSION)|' \
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$< >$@
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install: install-pc install-static install-shared install-includes
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@echo zstd static and shared library installed
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install-pc: libzstd.pc
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@$(INSTALL) -d -m 755 $(DESTDIR)$(PKGCONFIGDIR)/
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@$(INSTALL_DATA) libzstd.pc $(DESTDIR)$(PKGCONFIGDIR)/
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install-static: libzstd.a
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@echo Installing static library
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@$(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
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@$(INSTALL_DATA) libzstd.a $(DESTDIR)$(LIBDIR)
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install-shared: libzstd
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@echo Installing shared library
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@$(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
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@$(INSTALL_PROGRAM) $(LIBZSTD) $(DESTDIR)$(LIBDIR)
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@ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
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@ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
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install-includes:
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@echo Installing includes
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@$(INSTALL) -d -m 755 $(DESTDIR)$(INCLUDEDIR)/
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@$(INSTALL_DATA) zstd.h $(DESTDIR)$(INCLUDEDIR)
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@$(INSTALL_DATA) common/zstd_errors.h $(DESTDIR)$(INCLUDEDIR)
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@$(INSTALL_DATA) deprecated/zbuff.h $(DESTDIR)$(INCLUDEDIR) # prototypes generate deprecation warnings
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@$(INSTALL_DATA) dictBuilder/zdict.h $(DESTDIR)$(INCLUDEDIR)
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uninstall:
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@$(RM) $(DESTDIR)$(LIBDIR)/libzstd.a
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@$(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
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@$(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
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@$(RM) $(DESTDIR)$(LIBDIR)/$(LIBZSTD)
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@$(RM) $(DESTDIR)$(PKGCONFIGDIR)/libzstd.pc
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@$(RM) $(DESTDIR)$(INCLUDEDIR)/zstd.h
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@$(RM) $(DESTDIR)$(INCLUDEDIR)/zstd_errors.h
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@$(RM) $(DESTDIR)$(INCLUDEDIR)/zbuff.h # Deprecated streaming functions
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@$(RM) $(DESTDIR)$(INCLUDEDIR)/zdict.h
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@echo zstd libraries successfully uninstalled
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endif
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