lz4

Makefile
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# ################################################################
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# LZ4 - Makefile
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# Copyright (C) Yann Collet 2011-2023
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# All rights reserved.
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#
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# BSD license
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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#   list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice, this
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#   list of conditions and the following disclaimer in the documentation and/or
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#   other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# You can contact the author at :
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#  - LZ4 source repository : https://github.com/lz4/lz4
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#  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
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# ################################################################
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LZ4DIR  = lib
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PRGDIR  = programs
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TESTDIR = tests
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EXDIR   = examples
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FUZZDIR = ossfuzz
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include Makefile.inc
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.PHONY: default
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default: lib-release lz4-release
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# silent mode by default; verbose can be triggered by V=1 or VERBOSE=1
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$(V)$(VERBOSE).SILENT:
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.PHONY: all
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all: allmost examples manuals build_tests
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.PHONY: allmost
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allmost: lib lz4
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.PHONY: lib lib-release liblz4.a
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lib: liblz4.a
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lib lib-release liblz4.a:
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	$(MAKE) -C $(LZ4DIR) $@
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.PHONY: lz4 lz4-release
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lz4 : liblz4.a
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lz4-release : lib-release
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lz4 lz4-release :
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	$(MAKE) -C $(PRGDIR) $@
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	$(LN_SF) $(PRGDIR)/lz4$(EXT) .
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	echo lz4 build completed
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.PHONY: examples
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examples: liblz4.a
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	$(MAKE) -C $(EXDIR) all
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.PHONY: manuals
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manuals:
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	$(MAKE) -C contrib/gen_manual $@
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.PHONY: build_tests
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build_tests:
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	$(MAKE) -C $(TESTDIR) all
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.PHONY: clean
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clean:
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	$(MAKE) -C $(LZ4DIR) $@ > $(VOID)
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	$(MAKE) -C $(PRGDIR) $@ > $(VOID)
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	$(MAKE) -C $(TESTDIR) $@ > $(VOID)
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	$(MAKE) -C $(EXDIR) $@ > $(VOID)
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	$(MAKE) -C $(FUZZDIR) $@ > $(VOID)
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	$(MAKE) -C contrib/gen_manual $@ > $(VOID)
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	$(RM) lz4$(EXT)
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	$(RM) -r $(CMAKE_BUILD_DIR) $(MESON_BUILD_DIR)
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	@echo Cleaning completed
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#-----------------------------------------------------------------------------
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# make install is validated only for Posix environments
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#-----------------------------------------------------------------------------
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ifeq ($(POSIX_ENV),Yes)
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HOST_OS = POSIX
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.PHONY: install uninstall
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install uninstall:
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	$(MAKE) -C $(LZ4DIR) $@
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	$(MAKE) -C $(PRGDIR) $@
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.PHONY: test-install
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test-install:
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	$(MAKE) -j1 install DESTDIR=~/install_test_dir
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endif   # POSIX_ENV
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CMAKE ?= cmake
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CMAKE_BUILD_DIR ?= build/cmake/build
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ifneq (,$(filter MSYS%,$(shell $(UNAME))))
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HOST_OS = MSYS
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CMAKE_PARAMS = -G"MSYS Makefiles"
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endif
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.PHONY: cmakebuild
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cmakebuild:
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	mkdir -p $(CMAKE_BUILD_DIR)
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	cd $(CMAKE_BUILD_DIR); $(CMAKE) $(CMAKE_PARAMS) ..; $(CMAKE) --build .
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MESON ?= meson
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MESON_BUILD_DIR ?= mesonBuildDir
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.PHONY: mesonbuild
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mesonbuild:
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	$(MESON) setup --fatal-meson-warnings --buildtype=debug -Db_lundef=false -Dauto_features=enabled -Dprograms=true -Dcontrib=true -Dtests=true -Dexamples=true build/meson $(MESON_BUILD_DIR)
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	$(MESON) test -C $(MESON_BUILD_DIR)
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#------------------------------------------------------------------------
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# make tests validated only for MSYS and Posix environments
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#------------------------------------------------------------------------
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ifneq (,$(filter $(HOST_OS),MSYS POSIX))
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.PHONY: list
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list:
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	$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$' | xargs
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.PHONY: check
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check:
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	$(MAKE) -C $(TESTDIR) test-lz4-essentials
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.PHONY: test
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test:
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	$(MAKE) -C $(TESTDIR) $@
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	$(MAKE) -C $(EXDIR) $@
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.PHONY: usan
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usan: CC      = clang
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usan: CFLAGS  = -O3 -g -fsanitize=undefined -fno-sanitize-recover=undefined -fsanitize-recover=pointer-overflow
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usan: LDFLAGS = $(CFLAGS)
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usan: clean
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	CC=$(CC) CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS)' $(MAKE) test FUZZER_TIME="-T30s" NB_LOOPS=-i1
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.PHONY: usan32
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usan32: CFLAGS = -m32 -O3 -g -fsanitize=undefined -fno-sanitize-recover=undefined -fsanitize-recover=pointer-overflow
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usan32: LDFLAGS = $(CFLAGS)
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usan32: clean
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	CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS)' $(MAKE) V=1 test FUZZER_TIME="-T30s" NB_LOOPS=-i1
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SCANBUILD ?= scan-build
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SCANBUILD_FLAGS += --status-bugs -v --force-analyze-debug-code
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.PHONY: staticAnalyze
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staticAnalyze: clean
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	CPPFLAGS=-DLZ4_DEBUG=1 CFLAGS=-g $(SCANBUILD) $(SCANBUILD_FLAGS) $(MAKE) all V=1 DEBUGLEVEL=1
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.PHONY: cppcheck
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cppcheck:
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	cppcheck . --force --enable=warning,portability,performance,style --error-exitcode=1 > /dev/null
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.PHONY: platformTest
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platformTest: clean
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	@echo "\n ---- test lz4 with $(CC) compiler ----"
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	$(CC) -v
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	CFLAGS="$(CFLAGS) -O3 -Werror"         $(MAKE) -C $(LZ4DIR) all
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	CFLAGS="$(CFLAGS) -O3 -Werror -static" $(MAKE) -C $(PRGDIR) all
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	CFLAGS="$(CFLAGS) -O3 -Werror -static" $(MAKE) -C $(TESTDIR) all
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	$(MAKE) -C $(TESTDIR) test-platform
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.PHONY: versionsTest
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versionsTest:
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	$(MAKE) -C $(TESTDIR) clean
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	$(MAKE) -C $(TESTDIR) $@
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.PHONY: test-freestanding
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test-freestanding:
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	$(MAKE) -C $(TESTDIR) clean
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	$(MAKE) -C $(TESTDIR) $@
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# test linking C libraries from C++ executables
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.PHONY: ctocxxtest
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ctocxxtest: LIBCC="$(CC)"
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ctocxxtest: EXECC="$(CXX) -Wno-deprecated"
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ctocxxtest: CFLAGS=-O0
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ctocxxtest:
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	CC=$(LIBCC) $(MAKE) -C $(LZ4DIR)  CFLAGS="$(CFLAGS)" all
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	CC=$(LIBCC) $(MAKE) -C $(TESTDIR) CFLAGS="$(CFLAGS)" lz4.o lz4hc.o lz4frame.o
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	CC=$(EXECC) $(MAKE) -C $(TESTDIR) CFLAGS="$(CFLAGS)" all
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.PHONY: cxxtest cxx32test
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cxx32test: CFLAGS += -m32
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cxxtest cxx32test: CC := "$(CXX) -Wno-deprecated"
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cxxtest cxx32test: CFLAGS = -O3 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror
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cxxtest cxx32test:
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	$(CXX) -v
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	CC=$(CC) $(MAKE) -C $(LZ4DIR)  all CFLAGS="$(CFLAGS)"
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	CC=$(CC) $(MAKE) -C $(PRGDIR)  all CFLAGS="$(CFLAGS)"
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	CC=$(CC) $(MAKE) -C $(TESTDIR) all CFLAGS="$(CFLAGS)"
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.PHONY: cxx17build
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cxx17build : CC = "$(CXX) -Wno-deprecated"
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cxx17build : CFLAGS = -std=c++17 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror -Wpedantic
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cxx17build : clean
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	$(CXX) -v
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	CC=$(CC) $(MAKE) -C $(LZ4DIR)  all CFLAGS="$(CFLAGS)"
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	CC=$(CC) $(MAKE) -C $(PRGDIR)  all CFLAGS="$(CFLAGS)"
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	CC=$(CC) $(MAKE) -C $(TESTDIR) all CFLAGS="$(CFLAGS)"
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.PHONY: c_standards
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c_standards: clean c_standards_c11 c_standards_c99 c_standards_c90
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.PHONY: c_standards_c90
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c_standards_c90: clean
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	$(MAKE) clean; CFLAGS="-std=c90   -Werror -Wpedantic -Wno-long-long -Wno-variadic-macros" $(MAKE) allmost
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	$(MAKE) clean; CFLAGS="-std=gnu90 -Werror -Wpedantic -Wno-long-long -Wno-variadic-macros" $(MAKE) allmost
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.PHONY: c_standards_c99
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c_standards_c99: clean
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	$(MAKE) clean; CFLAGS="-std=c99   -Werror -Wpedantic" $(MAKE) all
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	$(MAKE) clean; CFLAGS="-std=gnu99 -Werror -Wpedantic" $(MAKE) all
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.PHONY: c_standards_c11
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c_standards_c11: clean
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	$(MAKE) clean; CFLAGS="-std=c11 -Werror" $(MAKE) all
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# The following test ensures that standard Makefile variables set through environment
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# are correctly transmitted at compilation stage.
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# This test is meant to detect issues like https://github.com/lz4/lz4/issues/958
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.PHONY: standard_variables
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standard_variables:
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	$(MAKE) clean
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	@echo =================
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	@echo Check support of Makefile Standard variables through environment
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	@echo note : this test requires V=1 to work properly
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	@echo =================
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	CC="cc -DCC_TEST" \
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	CFLAGS=-DCFLAGS_TEST \
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	CPPFLAGS=-DCPPFLAGS_TEST \
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	LDFLAGS=-DLDFLAGS_TEST \
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	LDLIBS=-DLDLIBS_TEST \
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	$(MAKE) V=1 > tmpsv
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	# Note: just checking the presence of custom flags
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	# would not detect situations where custom flags are
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	# supported in some part of the Makefile, and missed in others.
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	# So the test checks if they are present the _right nb of times_.
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	# However, checking static quantities makes this test brittle,
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	# because quantities (10, 2 and 1) can still evolve in future,
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	# for example when source directories or Makefile evolve.
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	if [ $$(grep CC_TEST tmpsv | wc -l) -ne 10 ]; then \
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		echo "CC environment variable missed" && False; fi
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	if [ $$(grep CFLAGS_TEST tmpsv | wc -l) -ne 10 ]; then \
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		echo "CFLAGS environment variable missed" && False; fi
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	if [ $$(grep CPPFLAGS_TEST tmpsv | wc -l) -ne 10 ]; then \
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		echo "CPPFLAGS environment variable missed" && False; fi
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	if [ $$(grep LDFLAGS_TEST tmpsv | wc -l) -ne 2 ]; then \
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		echo "LDFLAGS environment variable missed" && False; fi
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	if [ $$(grep LDLIBS_TEST tmpsv | wc -l) -ne 1 ]; then \
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		echo "LDLIBS environment variable missed" && False; fi
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	@echo =================
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	@echo all custom variables detected
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	@echo =================
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	$(RM) tmpsv
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endif   # MSYS POSIX
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lz4

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