Makefile - platform/external/zstd - Gitiles

 # ################################################################
 # Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
 # You may select, at your option, one of the above-listed licenses.
 # ################################################################

 # verbose mode (print commands) on V=1 or VERBOSE=1
 Q = $(if $(filter 1,$(V) $(VERBOSE)),,@)

 PRGDIR   = programs
 ZSTDDIR  = lib
 BUILDIR  = build
 ZWRAPDIR = zlibWrapper
 TESTDIR  = tests
 FUZZDIR  = $(TESTDIR)/fuzz

 # Define nul output
 VOID = /dev/null

 # When cross-compiling from linux to windows, you might
 # need to specify this as "Windows." Fedora build fails
 # without it.
 #
 # Note: mingw-w64 build from linux to windows does not
 # fail on other tested distros (ubuntu, debian) even
 # without manually specifying the TARGET_SYSTEM.
 TARGET_SYSTEM ?= $(OS)

 ifneq (,$(filter Windows%,$(TARGET_SYSTEM)))
 EXT =.exe
 else
 EXT =
 endif

 ## default: Build lib-release and zstd-release
 .PHONY: default
 default: lib-release zstd-release

 .PHONY: all
 all: allmost examples manual contrib

 .PHONY: allmost
 allmost: allzstd zlibwrapper

 # skip zwrapper, can't build that on alternate architectures without the proper zlib installed
 .PHONY: allzstd
 allzstd: lib-all
 	$(Q)$(MAKE) -C $(PRGDIR) all
 	$(Q)$(MAKE) -C $(TESTDIR) all

 .PHONY: all32
 all32:
 	$(MAKE) -C $(PRGDIR) zstd32
 	$(MAKE) -C $(TESTDIR) all32

 .PHONY: lib lib-release libzstd.a
 lib-all : lib
 lib lib-release lib-all :
 	$(Q)$(MAKE) -C $(ZSTDDIR) $@

 .PHONY: zstd zstd-release
 zstd zstd-release:
 	$(Q)$(MAKE) -C $(PRGDIR) $@
 	$(Q)cp $(PRGDIR)/zstd$(EXT) .

 .PHONY: zstdmt
 zstdmt:
 	$(Q)$(MAKE) -C $(PRGDIR) $@
 	$(Q)cp $(PRGDIR)/zstd$(EXT) ./zstdmt$(EXT)

 .PHONY: zlibwrapper
 zlibwrapper: lib
 	$(MAKE) -C $(ZWRAPDIR) all

 ## test: run long-duration tests
 .PHONY: test
 DEBUGLEVEL ?= 1
 test: MOREFLAGS += -g -DDEBUGLEVEL=$(DEBUGLEVEL) -Werror
 test:
 	MOREFLAGS="$(MOREFLAGS)" $(MAKE) -j -C $(PRGDIR) allVariants
 	$(MAKE) -C $(TESTDIR) $@
 	ZSTD=../../programs/zstd $(MAKE) -C doc/educational_decoder $@

 ## shortest: same as `make check`
 .PHONY: shortest
 shortest:
 	$(Q)$(MAKE) -C $(TESTDIR) $@

 ## check: run basic tests for `zstd` cli
 .PHONY: check
 check: shortest

 .PHONY: automated_benchmarking
 automated_benchmarking:
 	$(MAKE) -C $(TESTDIR) $@

 .PHONY: benchmarking
 benchmarking: automated_benchmarking

 ## examples: build all examples in `/examples` directory
 .PHONY: examples
 examples: lib
 	CPPFLAGS=-I../lib LDFLAGS=-L../lib $(MAKE) -C examples/ all

 ## manual: generate API documentation in html format
 .PHONY: manual
 manual:
 	$(MAKE) -C contrib/gen_html $@

 ## man: generate man page
 .PHONY: man
 man:
 	$(MAKE) -C programs $@

 ## contrib: build all supported projects in `/contrib` directory
 .PHONY: contrib
 contrib: lib
 	$(MAKE) -C contrib/pzstd all
 	$(MAKE) -C contrib/seekable_format/examples all
 	$(MAKE) -C contrib/largeNbDicts all
 	cd contrib/single_file_libs/ ; ./build_decoder_test.sh
 	cd contrib/single_file_libs/ ; ./build_library_test.sh

 .PHONY: cleanTabs
 cleanTabs:
 	cd contrib; ./cleanTabs

 .PHONY: clean
 clean:
 	$(Q)$(MAKE) -C $(ZSTDDIR) $@ > $(VOID)
 	$(Q)$(MAKE) -C $(PRGDIR) $@ > $(VOID)
 	$(Q)$(MAKE) -C $(TESTDIR) $@ > $(VOID)
 	$(Q)$(MAKE) -C $(ZWRAPDIR) $@ > $(VOID)
 	$(Q)$(MAKE) -C examples/ $@ > $(VOID)
 	$(Q)$(MAKE) -C contrib/gen_html $@ > $(VOID)
 	$(Q)$(MAKE) -C contrib/pzstd $@ > $(VOID)
 	$(Q)$(MAKE) -C contrib/seekable_format/examples $@ > $(VOID)
 	$(Q)$(MAKE) -C contrib/largeNbDicts $@ > $(VOID)
 	$(Q)$(RM) zstd$(EXT) zstdmt$(EXT) tmp*
 	$(Q)$(RM) -r lz4
 	@echo Cleaning completed

 #------------------------------------------------------------------------------
 # make install is validated only for Linux, macOS, Hurd and some BSD targets
 #------------------------------------------------------------------------------
 ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD DragonFly NetBSD MSYS_NT Haiku))

 HOST_OS = POSIX
 CMAKE_PARAMS = -DZSTD_BUILD_CONTRIB:BOOL=ON -DZSTD_BUILD_STATIC:BOOL=ON -DZSTD_BUILD_TESTS:BOOL=ON -DZSTD_ZLIB_SUPPORT:BOOL=ON -DZSTD_LZMA_SUPPORT:BOOL=ON -DCMAKE_BUILD_TYPE=Release

 HAVE_COLORNEVER = $(shell echo a | egrep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0)
 EGREP_OPTIONS ?=
 ifeq ($HAVE_COLORNEVER, 1)
 EGREP_OPTIONS += --color=never
 endif
 EGREP = egrep $(EGREP_OPTIONS)

 # Print a two column output of targets and their description. To add a target description, put a
 # comment in the Makefile with the format "## <TARGET>: <DESCRIPTION>".  For example:
 #
 ## list: Print all targets and their descriptions (if provided)
 .PHONY: list
 list:
 	$(Q)TARGETS=$$($(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null \
 		| awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' \
 		| $(EGREP) -v  -e '^[^[:alnum:]]' | sort); \
 	{ \
 	    printf "Target Name\tDescription\n"; \
 	    printf "%0.s-" {1..16}; printf "\t"; printf "%0.s-" {1..40}; printf "\n"; \
 	    for target in $$TARGETS; do \
 	        line=$$($(EGREP) "^##[[:space:]]+$$target:" $(lastword $(MAKEFILE_LIST))); \
 	        description=$$(echo $$line | awk '{i=index($$0,":"); print substr($$0,i+1)}' | xargs); \
 	        printf "$$target\t$$description\n"; \
 	    done \
 	} | column -t -s $$'\t'

 .PHONY: install armtest usan asan uasan
 install:
 	$(Q)$(MAKE) -C $(ZSTDDIR) $@
 	$(Q)$(MAKE) -C $(PRGDIR) $@

 .PHONY: uninstall
 uninstall:
 	$(Q)$(MAKE) -C $(ZSTDDIR) $@
 	$(Q)$(MAKE) -C $(PRGDIR) $@

 .PHONY: travis-install
 travis-install:
 	$(MAKE) install PREFIX=~/install_test_dir

 .PHONY: gcc5build
 gcc5build: clean
 	gcc-5 -v
 	CC=gcc-5 $(MAKE) all MOREFLAGS="-Werror"

 .PHONY: gcc6build
 gcc6build: clean
 	gcc-6 -v
 	CC=gcc-6 $(MAKE) all MOREFLAGS="-Werror"

 .PHONY: gcc7build
 gcc7build: clean
 	gcc-7 -v
 	CC=gcc-7 $(MAKE) all MOREFLAGS="-Werror"

 .PHONY: clangbuild
 clangbuild: clean
 	clang -v
 	CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation" $(MAKE) all

 m32build: clean
 	gcc -v
 	$(MAKE) all32

 armbuild: clean
 	CC=arm-linux-gnueabi-gcc CFLAGS="-Werror" $(MAKE) allzstd

 aarch64build: clean
 	CC=aarch64-linux-gnu-gcc CFLAGS="-Werror" $(MAKE) allzstd

 ppcbuild: clean
 	CC=powerpc-linux-gnu-gcc CFLAGS="-m32 -Wno-attributes -Werror" $(MAKE) allzstd

 ppc64build: clean
 	CC=powerpc-linux-gnu-gcc CFLAGS="-m64 -Werror" $(MAKE) allzstd

 armfuzz: clean
 	CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static MOREFLAGS="-static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

 aarch64fuzz: clean
 	ld -v
 	CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static MOREFLAGS="-static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

 ppcfuzz: clean
 	CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static MOREFLAGS="-static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

 ppc64fuzz: clean
 	CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static MOREFLAGS="-m64 -static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

 .PHONY: cxxtest
 cxxtest: CXXFLAGS += -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror
 cxxtest: clean
 	$(MAKE) -C $(PRGDIR) all CC="$(CXX) -Wno-deprecated" CFLAGS="$(CXXFLAGS)"   # adding -Wno-deprecated to avoid clang++ warning on dealing with C files directly

 gcc5test: clean
 	gcc-5 -v
 	$(MAKE) all CC=gcc-5 MOREFLAGS="-Werror"

 gcc6test: clean
 	gcc-6 -v
 	$(MAKE) all CC=gcc-6 MOREFLAGS="-Werror"

 armtest: clean
 	$(MAKE) -C $(TESTDIR) datagen   # use native, faster
 	$(MAKE) -C $(TESTDIR) test CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static ZSTDRTTEST= MOREFLAGS="-Werror -static" FUZZER_FLAGS=--no-big-tests

 aarch64test:
 	$(MAKE) -C $(TESTDIR) datagen   # use native, faster
 	$(MAKE) -C $(TESTDIR) test CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static ZSTDRTTEST= MOREFLAGS="-Werror -static" FUZZER_FLAGS=--no-big-tests

 ppctest: clean
 	$(MAKE) -C $(TESTDIR) datagen   # use native, faster
 	$(MAKE) -C $(TESTDIR) test CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static ZSTDRTTEST= MOREFLAGS="-Werror -Wno-attributes -static" FUZZER_FLAGS=--no-big-tests

 ppc64test: clean
 	$(MAKE) -C $(TESTDIR) datagen   # use native, faster
 	$(MAKE) -C $(TESTDIR) test CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static ZSTDRTTEST= MOREFLAGS="-m64 -static" FUZZER_FLAGS=--no-big-tests

 arm-ppc-compilation:
 	$(MAKE) -C $(PRGDIR) clean zstd CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static ZSTDRTTEST= MOREFLAGS="-Werror -static"
 	$(MAKE) -C $(PRGDIR) clean zstd CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static ZSTDRTTEST= MOREFLAGS="-Werror -static"
 	$(MAKE) -C $(PRGDIR) clean zstd CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static ZSTDRTTEST= MOREFLAGS="-Werror -Wno-attributes -static"
 	$(MAKE) -C $(PRGDIR) clean zstd CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static ZSTDRTTEST= MOREFLAGS="-m64 -static"

 regressiontest:
 	$(MAKE) -C $(FUZZDIR) regressiontest

 uasanregressiontest:
 	$(MAKE) -C $(FUZZDIR) regressiontest CC=clang CXX=clang++ CFLAGS="-O3 -fsanitize=address,undefined" CXXFLAGS="-O3 -fsanitize=address,undefined"

 msanregressiontest:
 	$(MAKE) -C $(FUZZDIR) regressiontest CC=clang CXX=clang++ CFLAGS="-O3 -fsanitize=memory" CXXFLAGS="-O3 -fsanitize=memory"

 # run UBsan with -fsanitize-recover=signed-integer-overflow
 # due to a bug in UBsan when doing pointer subtraction
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63303

 usan: clean
 	$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=undefined -Werror"

 asan: clean
 	$(MAKE) test CC=clang MOREFLAGS="-g -fsanitize=address -Werror"

 asan-%: clean
 	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=address -Werror" $(MAKE) -C $(TESTDIR) $*

 msan: clean
 	$(MAKE) test CC=clang MOREFLAGS="-g -fsanitize=memory -fno-omit-frame-pointer -Werror" HAVE_LZMA=0   # datagen.c fails this test for no obvious reason

 msan-%: clean
 	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=memory -fno-omit-frame-pointer -Werror" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) HAVE_LZMA=0 $*

 asan32: clean
 	$(MAKE) -C $(TESTDIR) test32 CC=clang MOREFLAGS="-g -fsanitize=address"

 uasan: clean
 	$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=address,undefined -Werror"

 uasan-%: clean
 	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=address,undefined -Werror" $(MAKE) -C $(TESTDIR) $*

 tsan-%: clean
 	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=thread -Werror" $(MAKE) -C $(TESTDIR) $* FUZZER_FLAGS=--no-big-tests

 apt-install:
 	sudo apt-get -yq --no-install-suggests --no-install-recommends --force-yes install $(APT_PACKAGES)

 apt-add-repo:
 	sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
 	sudo apt-get update -y -qq

 ppcinstall:
 	APT_PACKAGES="qemu-system-ppc qemu-user-static gcc-powerpc-linux-gnu" $(MAKE) apt-install

 arminstall:
 	APT_PACKAGES="qemu-system-arm qemu-user-static gcc-arm-linux-gnueabi libc6-dev-armel-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross" $(MAKE) apt-install

 valgrindinstall:
 	APT_PACKAGES="valgrind" $(MAKE) apt-install

 libc6install:
 	APT_PACKAGES="libc6-dev-i386 gcc-multilib" $(MAKE) apt-install

 gcc6install: apt-add-repo
 	APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-6 gcc-6-multilib" $(MAKE) apt-install

 gcc7install: apt-add-repo
 	APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-7 gcc-7-multilib" $(MAKE) apt-install

 gcc8install: apt-add-repo
 	APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-8 gcc-8-multilib" $(MAKE) apt-install

 gpp6install: apt-add-repo
 	APT_PACKAGES="libc6-dev-i386 g++-multilib gcc-6 g++-6 g++-6-multilib" $(MAKE) apt-install

 clang38install:
 	APT_PACKAGES="clang-3.8" $(MAKE) apt-install

 # Ubuntu 14.04 ships a too-old lz4
 lz4install:
 	[ -e lz4 ] || git clone https://github.com/lz4/lz4 && sudo $(MAKE) -C lz4 install

 endif


 ifneq (,$(filter MSYS%,$(shell uname)))
 HOST_OS = MSYS
 CMAKE_PARAMS = -G"MSYS Makefiles" -DCMAKE_BUILD_TYPE=Debug -DZSTD_MULTITHREAD_SUPPORT:BOOL=OFF -DZSTD_BUILD_STATIC:BOOL=ON -DZSTD_BUILD_TESTS:BOOL=ON
 endif


 #------------------------------------------------------------------------
 # target specific tests
 #------------------------------------------------------------------------
 ifneq (,$(filter $(HOST_OS),MSYS POSIX))
 cmakebuild:
 	cmake --version
 	$(RM) -r $(BUILDIR)/cmake/build
 	mkdir $(BUILDIR)/cmake/build
 	cd $(BUILDIR)/cmake/build; cmake -DCMAKE_INSTALL_PREFIX:PATH=~/install_test_dir $(CMAKE_PARAMS) ..
 	$(MAKE) -C $(BUILDIR)/cmake/build -j4;
 	$(MAKE) -C $(BUILDIR)/cmake/build install;
 	$(MAKE) -C $(BUILDIR)/cmake/build uninstall;
 	cd $(BUILDIR)/cmake/build; ctest -V -L Medium

 c89build: clean
 	$(CC) -v
 	CFLAGS="-std=c89 -Werror" $(MAKE) allmost  # will fail, due to missing support for `long long`

 gnu90build: clean
 	$(CC) -v
 	CFLAGS="-std=gnu90 -Werror" $(MAKE) allmost

 c99build: clean
 	$(CC) -v
 	CFLAGS="-std=c99 -Werror" $(MAKE) allmost

 gnu99build: clean
 	$(CC) -v
 	CFLAGS="-std=gnu99 -Werror" $(MAKE) allmost

 c11build: clean
 	$(CC) -v
 	CFLAGS="-std=c11 -Werror" $(MAKE) allmost

 bmix64build: clean
 	$(CC) -v
 	CFLAGS="-O3 -mbmi -Werror" $(MAKE) -C $(TESTDIR) test

 bmix32build: clean
 	$(CC) -v
 	CFLAGS="-O3 -mbmi -mx32 -Werror" $(MAKE) -C $(TESTDIR) test

 bmi32build: clean
 	$(CC) -v
 	CFLAGS="-O3 -mbmi -m32 -Werror" $(MAKE) -C $(TESTDIR) test

 # static analyzer test uses clang's scan-build
 # does not analyze zlibWrapper, due to detected issues in zlib source code
 staticAnalyze: SCANBUILD ?= scan-build
 staticAnalyze:
 	$(CC) -v
 	CC=$(CC) CPPFLAGS=-g $(SCANBUILD) --status-bugs -v $(MAKE) allzstd examples contrib
 endif
	# ################################################################
	# Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
	# All rights reserved.
	#
	# This source code is licensed under both the BSD-style license (found in the
	# LICENSE file in the root directory of this source tree) and the GPLv2 (found
	# in the COPYING file in the root directory of this source tree).
	# You may select, at your option, one of the above-listed licenses.
	# ################################################################

	# verbose mode (print commands) on V=1 or VERBOSE=1
	Q = $(if $(filter 1,$(V) $(VERBOSE)),,@)

	PRGDIR = programs
	ZSTDDIR = lib
	BUILDIR = build
	ZWRAPDIR = zlibWrapper
	TESTDIR = tests
	FUZZDIR = $(TESTDIR)/fuzz

	# Define nul output
	VOID = /dev/null

	# When cross-compiling from linux to windows, you might
	# need to specify this as "Windows." Fedora build fails
	# without it.
	#
	# Note: mingw-w64 build from linux to windows does not
	# fail on other tested distros (ubuntu, debian) even
	# without manually specifying the TARGET_SYSTEM.
	TARGET_SYSTEM ?= $(OS)

	ifneq (,$(filter Windows%,$(TARGET_SYSTEM)))
	EXT =.exe
	else
	EXT =
	endif

	## default: Build lib-release and zstd-release
	.PHONY: default
	default: lib-release zstd-release

	.PHONY: all
	all: allmost examples manual contrib

	.PHONY: allmost
	allmost: allzstd zlibwrapper

	# skip zwrapper, can't build that on alternate architectures without the proper zlib installed
	.PHONY: allzstd
	allzstd: lib-all
	$(Q)$(MAKE) -C $(PRGDIR) all
	$(Q)$(MAKE) -C $(TESTDIR) all

	.PHONY: all32
	all32:
	$(MAKE) -C $(PRGDIR) zstd32
	$(MAKE) -C $(TESTDIR) all32

	.PHONY: lib lib-release libzstd.a
	lib-all : lib
	lib lib-release lib-all :
	$(Q)$(MAKE) -C $(ZSTDDIR) $@

	.PHONY: zstd zstd-release
	zstd zstd-release:
	$(Q)$(MAKE) -C $(PRGDIR) $@
	$(Q)cp $(PRGDIR)/zstd$(EXT) .

	.PHONY: zstdmt
	zstdmt:
	$(Q)$(MAKE) -C $(PRGDIR) $@
	$(Q)cp $(PRGDIR)/zstd$(EXT) ./zstdmt$(EXT)

	.PHONY: zlibwrapper
	zlibwrapper: lib
	$(MAKE) -C $(ZWRAPDIR) all

	## test: run long-duration tests
	.PHONY: test
	DEBUGLEVEL ?= 1
	test: MOREFLAGS += -g -DDEBUGLEVEL=$(DEBUGLEVEL) -Werror
	test:
	MOREFLAGS="$(MOREFLAGS)" $(MAKE) -j -C $(PRGDIR) allVariants
	$(MAKE) -C $(TESTDIR) $@
	ZSTD=../../programs/zstd $(MAKE) -C doc/educational_decoder $@

	## shortest: same as `make check`
	.PHONY: shortest
	shortest:
	$(Q)$(MAKE) -C $(TESTDIR) $@

	## check: run basic tests for `zstd` cli
	.PHONY: check
	check: shortest

	.PHONY: automated_benchmarking
	automated_benchmarking:
	$(MAKE) -C $(TESTDIR) $@

	.PHONY: benchmarking
	benchmarking: automated_benchmarking

	## examples: build all examples in `/examples` directory
	.PHONY: examples
	examples: lib
	CPPFLAGS=-I../lib LDFLAGS=-L../lib $(MAKE) -C examples/ all

	## manual: generate API documentation in html format
	.PHONY: manual
	manual:
	$(MAKE) -C contrib/gen_html $@

	## man: generate man page
	.PHONY: man
	man:
	$(MAKE) -C programs $@

	## contrib: build all supported projects in `/contrib` directory
	.PHONY: contrib
	contrib: lib
	$(MAKE) -C contrib/pzstd all
	$(MAKE) -C contrib/seekable_format/examples all
	$(MAKE) -C contrib/largeNbDicts all
	cd contrib/single_file_libs/ ; ./build_decoder_test.sh
	cd contrib/single_file_libs/ ; ./build_library_test.sh

	.PHONY: cleanTabs
	cleanTabs:
	cd contrib; ./cleanTabs

	.PHONY: clean
	clean:
	$(Q)$(MAKE) -C $(ZSTDDIR) $@ > $(VOID)
	$(Q)$(MAKE) -C $(PRGDIR) $@ > $(VOID)
	$(Q)$(MAKE) -C $(TESTDIR) $@ > $(VOID)
	$(Q)$(MAKE) -C $(ZWRAPDIR) $@ > $(VOID)
	$(Q)$(MAKE) -C examples/ $@ > $(VOID)
	$(Q)$(MAKE) -C contrib/gen_html $@ > $(VOID)
	$(Q)$(MAKE) -C contrib/pzstd $@ > $(VOID)
	$(Q)$(MAKE) -C contrib/seekable_format/examples $@ > $(VOID)
	$(Q)$(MAKE) -C contrib/largeNbDicts $@ > $(VOID)
	$(Q)$(RM) zstd$(EXT) zstdmt$(EXT) tmp*
	$(Q)$(RM) -r lz4
	@echo Cleaning completed

	#------------------------------------------------------------------------------
	# make install is validated only for Linux, macOS, Hurd and some BSD targets
	#------------------------------------------------------------------------------
	ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD DragonFly NetBSD MSYS_NT Haiku))

	HOST_OS = POSIX
	CMAKE_PARAMS = -DZSTD_BUILD_CONTRIB:BOOL=ON -DZSTD_BUILD_STATIC:BOOL=ON -DZSTD_BUILD_TESTS:BOOL=ON -DZSTD_ZLIB_SUPPORT:BOOL=ON -DZSTD_LZMA_SUPPORT:BOOL=ON -DCMAKE_BUILD_TYPE=Release

	HAVE_COLORNEVER = $(shell echo a \| egrep --color=never a > /dev/null 2> /dev/null && echo 1 \|\| echo 0)
	EGREP_OPTIONS ?=
	ifeq ($HAVE_COLORNEVER, 1)
	EGREP_OPTIONS += --color=never
	endif
	EGREP = egrep $(EGREP_OPTIONS)

	# Print a two column output of targets and their description. To add a target description, put a
	# comment in the Makefile with the format "## <TARGET>: <DESCRIPTION>". For example:
	#
	## list: Print all targets and their descriptions (if provided)
	.PHONY: list
	list:
	$(Q)TARGETS=$$($(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null \
	\| awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' \
	\| $(EGREP) -v -e '^[^[:alnum:]]' \| sort); \
	{ \
	printf "Target Name\tDescription\n"; \
	printf "%0.s-" {1..16}; printf "\t"; printf "%0.s-" {1..40}; printf "\n"; \
	for target in $$TARGETS; do \
	line=$$($(EGREP) "^##[[:space:]]+$$target:" $(lastword $(MAKEFILE_LIST))); \
	description=$$(echo $$line \| awk '{i=index($$0,":"); print substr($$0,i+1)}' \| xargs); \
	printf "$$target\t$$description\n"; \
	done \
	} \| column -t -s $$'\t'

	.PHONY: install armtest usan asan uasan
	install:
	$(Q)$(MAKE) -C $(ZSTDDIR) $@
	$(Q)$(MAKE) -C $(PRGDIR) $@

	.PHONY: uninstall
	uninstall:
	$(Q)$(MAKE) -C $(ZSTDDIR) $@
	$(Q)$(MAKE) -C $(PRGDIR) $@

	.PHONY: travis-install
	travis-install:
	$(MAKE) install PREFIX=~/install_test_dir

	.PHONY: gcc5build
	gcc5build: clean
	gcc-5 -v
	CC=gcc-5 $(MAKE) all MOREFLAGS="-Werror"

	.PHONY: gcc6build
	gcc6build: clean
	gcc-6 -v
	CC=gcc-6 $(MAKE) all MOREFLAGS="-Werror"

	.PHONY: gcc7build
	gcc7build: clean
	gcc-7 -v
	CC=gcc-7 $(MAKE) all MOREFLAGS="-Werror"

	.PHONY: clangbuild
	clangbuild: clean
	clang -v
	CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation" $(MAKE) all

	m32build: clean
	gcc -v
	$(MAKE) all32

	armbuild: clean
	CC=arm-linux-gnueabi-gcc CFLAGS="-Werror" $(MAKE) allzstd

	aarch64build: clean
	CC=aarch64-linux-gnu-gcc CFLAGS="-Werror" $(MAKE) allzstd

	ppcbuild: clean
	CC=powerpc-linux-gnu-gcc CFLAGS="-m32 -Wno-attributes -Werror" $(MAKE) allzstd

	ppc64build: clean
	CC=powerpc-linux-gnu-gcc CFLAGS="-m64 -Werror" $(MAKE) allzstd

	armfuzz: clean
	CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static MOREFLAGS="-static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

	aarch64fuzz: clean
	ld -v
	CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static MOREFLAGS="-static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

	ppcfuzz: clean
	CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static MOREFLAGS="-static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

	ppc64fuzz: clean
	CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static MOREFLAGS="-m64 -static" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) fuzztest

	.PHONY: cxxtest
	cxxtest: CXXFLAGS += -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror
	cxxtest: clean
	$(MAKE) -C $(PRGDIR) all CC="$(CXX) -Wno-deprecated" CFLAGS="$(CXXFLAGS)" # adding -Wno-deprecated to avoid clang++ warning on dealing with C files directly

	gcc5test: clean
	gcc-5 -v
	$(MAKE) all CC=gcc-5 MOREFLAGS="-Werror"

	gcc6test: clean
	gcc-6 -v
	$(MAKE) all CC=gcc-6 MOREFLAGS="-Werror"

	armtest: clean
	$(MAKE) -C $(TESTDIR) datagen # use native, faster
	$(MAKE) -C $(TESTDIR) test CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static ZSTDRTTEST= MOREFLAGS="-Werror -static" FUZZER_FLAGS=--no-big-tests

	aarch64test:
	$(MAKE) -C $(TESTDIR) datagen # use native, faster
	$(MAKE) -C $(TESTDIR) test CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static ZSTDRTTEST= MOREFLAGS="-Werror -static" FUZZER_FLAGS=--no-big-tests

	ppctest: clean
	$(MAKE) -C $(TESTDIR) datagen # use native, faster
	$(MAKE) -C $(TESTDIR) test CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static ZSTDRTTEST= MOREFLAGS="-Werror -Wno-attributes -static" FUZZER_FLAGS=--no-big-tests

	ppc64test: clean
	$(MAKE) -C $(TESTDIR) datagen # use native, faster
	$(MAKE) -C $(TESTDIR) test CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static ZSTDRTTEST= MOREFLAGS="-m64 -static" FUZZER_FLAGS=--no-big-tests

	arm-ppc-compilation:
	$(MAKE) -C $(PRGDIR) clean zstd CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static ZSTDRTTEST= MOREFLAGS="-Werror -static"
	$(MAKE) -C $(PRGDIR) clean zstd CC=aarch64-linux-gnu-gcc QEMU_SYS=qemu-aarch64-static ZSTDRTTEST= MOREFLAGS="-Werror -static"
	$(MAKE) -C $(PRGDIR) clean zstd CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc-static ZSTDRTTEST= MOREFLAGS="-Werror -Wno-attributes -static"
	$(MAKE) -C $(PRGDIR) clean zstd CC=powerpc-linux-gnu-gcc QEMU_SYS=qemu-ppc64-static ZSTDRTTEST= MOREFLAGS="-m64 -static"

	regressiontest:
	$(MAKE) -C $(FUZZDIR) regressiontest

	uasanregressiontest:
	$(MAKE) -C $(FUZZDIR) regressiontest CC=clang CXX=clang++ CFLAGS="-O3 -fsanitize=address,undefined" CXXFLAGS="-O3 -fsanitize=address,undefined"

	msanregressiontest:
	$(MAKE) -C $(FUZZDIR) regressiontest CC=clang CXX=clang++ CFLAGS="-O3 -fsanitize=memory" CXXFLAGS="-O3 -fsanitize=memory"

	# run UBsan with -fsanitize-recover=signed-integer-overflow
	# due to a bug in UBsan when doing pointer subtraction
	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63303

	usan: clean
	$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=undefined -Werror"

	asan: clean
	$(MAKE) test CC=clang MOREFLAGS="-g -fsanitize=address -Werror"

	asan-%: clean
	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=address -Werror" $(MAKE) -C $(TESTDIR) $*

	msan: clean
	$(MAKE) test CC=clang MOREFLAGS="-g -fsanitize=memory -fno-omit-frame-pointer -Werror" HAVE_LZMA=0 # datagen.c fails this test for no obvious reason

	msan-%: clean
	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=memory -fno-omit-frame-pointer -Werror" FUZZER_FLAGS=--no-big-tests $(MAKE) -C $(TESTDIR) HAVE_LZMA=0 $*

	asan32: clean
	$(MAKE) -C $(TESTDIR) test32 CC=clang MOREFLAGS="-g -fsanitize=address"

	uasan: clean
	$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=address,undefined -Werror"

	uasan-%: clean
	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=address,undefined -Werror" $(MAKE) -C $(TESTDIR) $*

	tsan-%: clean
	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=thread -Werror" $(MAKE) -C $(TESTDIR) $* FUZZER_FLAGS=--no-big-tests

	apt-install:
	sudo apt-get -yq --no-install-suggests --no-install-recommends --force-yes install $(APT_PACKAGES)

	apt-add-repo:
	sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
	sudo apt-get update -y -qq

	ppcinstall:
	APT_PACKAGES="qemu-system-ppc qemu-user-static gcc-powerpc-linux-gnu" $(MAKE) apt-install

	arminstall:
	APT_PACKAGES="qemu-system-arm qemu-user-static gcc-arm-linux-gnueabi libc6-dev-armel-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross" $(MAKE) apt-install

	valgrindinstall:
	APT_PACKAGES="valgrind" $(MAKE) apt-install

	libc6install:
	APT_PACKAGES="libc6-dev-i386 gcc-multilib" $(MAKE) apt-install

	gcc6install: apt-add-repo
	APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-6 gcc-6-multilib" $(MAKE) apt-install

	gcc7install: apt-add-repo
	APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-7 gcc-7-multilib" $(MAKE) apt-install

	gcc8install: apt-add-repo
	APT_PACKAGES="libc6-dev-i386 gcc-multilib gcc-8 gcc-8-multilib" $(MAKE) apt-install

	gpp6install: apt-add-repo
	APT_PACKAGES="libc6-dev-i386 g++-multilib gcc-6 g++-6 g++-6-multilib" $(MAKE) apt-install

	clang38install:
	APT_PACKAGES="clang-3.8" $(MAKE) apt-install

	# Ubuntu 14.04 ships a too-old lz4
	lz4install:
	[ -e lz4 ] \|\| git clone https://github.com/lz4/lz4 && sudo $(MAKE) -C lz4 install

	endif


	ifneq (,$(filter MSYS%,$(shell uname)))
	HOST_OS = MSYS
	CMAKE_PARAMS = -G"MSYS Makefiles" -DCMAKE_BUILD_TYPE=Debug -DZSTD_MULTITHREAD_SUPPORT:BOOL=OFF -DZSTD_BUILD_STATIC:BOOL=ON -DZSTD_BUILD_TESTS:BOOL=ON
	endif


	#------------------------------------------------------------------------
	# target specific tests
	#------------------------------------------------------------------------
	ifneq (,$(filter $(HOST_OS),MSYS POSIX))
	cmakebuild:
	cmake --version
	$(RM) -r $(BUILDIR)/cmake/build
	mkdir $(BUILDIR)/cmake/build
	cd $(BUILDIR)/cmake/build; cmake -DCMAKE_INSTALL_PREFIX:PATH=~/install_test_dir $(CMAKE_PARAMS) ..
	$(MAKE) -C $(BUILDIR)/cmake/build -j4;
	$(MAKE) -C $(BUILDIR)/cmake/build install;
	$(MAKE) -C $(BUILDIR)/cmake/build uninstall;
	cd $(BUILDIR)/cmake/build; ctest -V -L Medium

	c89build: clean
	$(CC) -v
	CFLAGS="-std=c89 -Werror" $(MAKE) allmost # will fail, due to missing support for `long long`

	gnu90build: clean
	$(CC) -v
	CFLAGS="-std=gnu90 -Werror" $(MAKE) allmost

	c99build: clean
	$(CC) -v
	CFLAGS="-std=c99 -Werror" $(MAKE) allmost

	gnu99build: clean
	$(CC) -v
	CFLAGS="-std=gnu99 -Werror" $(MAKE) allmost

	c11build: clean
	$(CC) -v
	CFLAGS="-std=c11 -Werror" $(MAKE) allmost

	bmix64build: clean
	$(CC) -v
	CFLAGS="-O3 -mbmi -Werror" $(MAKE) -C $(TESTDIR) test

	bmix32build: clean
	$(CC) -v
	CFLAGS="-O3 -mbmi -mx32 -Werror" $(MAKE) -C $(TESTDIR) test

	bmi32build: clean
	$(CC) -v
	CFLAGS="-O3 -mbmi -m32 -Werror" $(MAKE) -C $(TESTDIR) test

	# static analyzer test uses clang's scan-build
	# does not analyze zlibWrapper, due to detected issues in zlib source code
	staticAnalyze: SCANBUILD ?= scan-build
	staticAnalyze:
	$(CC) -v
	CC=$(CC) CPPFLAGS=-g $(SCANBUILD) --status-bugs -v $(MAKE) allzstd examples contrib
	endif