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# ################################################################
# 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.
# ################################################################
Q = $(if $(filter 1,$(V) $(VERBOSE)),,@)
# 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)
# Version numbers
LIBVER_MAJOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MAJOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < ./zstd.h`
LIBVER_MINOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MINOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < ./zstd.h`
LIBVER_PATCH_SCRIPT:=`sed -n '/define ZSTD_VERSION_RELEASE/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < ./zstd.h`
LIBVER_SCRIPT:= $(LIBVER_MAJOR_SCRIPT).$(LIBVER_MINOR_SCRIPT).$(LIBVER_PATCH_SCRIPT)
LIBVER_MAJOR := $(shell echo $(LIBVER_MAJOR_SCRIPT))
LIBVER_MINOR := $(shell echo $(LIBVER_MINOR_SCRIPT))
LIBVER_PATCH := $(shell echo $(LIBVER_PATCH_SCRIPT))
LIBVER := $(shell echo $(LIBVER_SCRIPT))
VERSION?= $(LIBVER)
CCVER := $(shell $(CC) --version)
# This is a helper variable that configures a bunch of other variables to new,
# space-optimized defaults.
ZSTD_LIB_MINIFY ?= 0
ifneq ($(ZSTD_LIB_MINIFY), 0)
HAVE_CC_OZ ?= $(shell echo "" | $(CC) -Oz -x c -c - -o /dev/null 2> /dev/null && echo 1 || echo 0)
ZSTD_LEGACY_SUPPORT ?= 0
ZSTD_LIB_DEPRECATED ?= 0
HUF_FORCE_DECOMPRESS_X1 ?= 1
ZSTD_FORCE_DECOMPRESS_SHORT ?= 1
ZSTD_NO_INLINE ?= 1
ZSTD_STRIP_ERROR_STRINGS ?= 1
ifneq ($(HAVE_CC_OZ), 0)
# Some compilers (clang) support an even more space-optimized setting.
CFLAGS += -Oz
else
CFLAGS += -Os
endif
CFLAGS += -fno-stack-protector -fomit-frame-pointer -fno-ident \
-DDYNAMIC_BMI2=0 -DNDEBUG
else
CFLAGS += -O3
endif
CPPFLAGS+= -DXXH_NAMESPACE=ZSTD_
ifeq ($(TARGET_SYSTEM),Windows_NT) # MinGW assumed
CPPFLAGS += -D__USE_MINGW_ANSI_STDIO # compatibility with %zu formatting
endif
DEBUGFLAGS= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
-Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
-Wstrict-prototypes -Wundef -Wpointer-arith \
-Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
-Wredundant-decls -Wmissing-prototypes -Wc++-compat
CFLAGS += $(DEBUGFLAGS) $(MOREFLAGS)
FLAGS = $(CPPFLAGS) $(CFLAGS)
HAVE_COLORNEVER = $(shell echo a | grep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0)
GREP_OPTIONS ?=
ifeq ($HAVE_COLORNEVER, 1)
GREP_OPTIONS += --color=never
endif
GREP = grep $(GREP_OPTIONS)
SED_ERE_OPT ?= -E
ZSTDCOMMON_FILES := $(sort $(wildcard common/*.c))
ZSTDCOMP_FILES := $(sort $(wildcard compress/*.c))
ZSTDDECOMP_FILES := $(sort $(wildcard decompress/*.c))
ZDICT_FILES := $(sort $(wildcard dictBuilder/*.c))
ZDEPR_FILES := $(sort $(wildcard deprecated/*.c))
ZSTD_FILES := $(ZSTDCOMMON_FILES)
ifeq ($(findstring GCC,$(CCVER)),GCC)
decompress/zstd_decompress_block.o : CFLAGS+=-fno-tree-vectorize
endif
# Modules
ZSTD_LIB_COMPRESSION ?= 1
ZSTD_LIB_DECOMPRESSION ?= 1
ZSTD_LIB_DICTBUILDER ?= 1
ZSTD_LIB_DEPRECATED ?= 1
# Legacy support
ZSTD_LEGACY_SUPPORT ?= 5
ZSTD_LEGACY_MULTITHREADED_API ?= 0
# Build size optimizations
HUF_FORCE_DECOMPRESS_X1 ?= 0
HUF_FORCE_DECOMPRESS_X2 ?= 0
ZSTD_FORCE_DECOMPRESS_SHORT ?= 0
ZSTD_FORCE_DECOMPRESS_LONG ?= 0
ZSTD_NO_INLINE ?= 0
ZSTD_STRIP_ERROR_STRINGS ?= 0
ifeq ($(ZSTD_LIB_COMPRESSION), 0)
ZSTD_LIB_DICTBUILDER = 0
ZSTD_LIB_DEPRECATED = 0
endif
ifeq ($(ZSTD_LIB_DECOMPRESSION), 0)
ZSTD_LEGACY_SUPPORT = 0
ZSTD_LIB_DEPRECATED = 0
endif
ifneq ($(ZSTD_LIB_COMPRESSION), 0)
ZSTD_FILES += $(ZSTDCOMP_FILES)
endif
ifneq ($(ZSTD_LIB_DECOMPRESSION), 0)
ZSTD_FILES += $(ZSTDDECOMP_FILES)
endif
ifneq ($(ZSTD_LIB_DEPRECATED), 0)
ZSTD_FILES += $(ZDEPR_FILES)
endif
ifneq ($(ZSTD_LIB_DICTBUILDER), 0)
ZSTD_FILES += $(ZDICT_FILES)
endif
ifneq ($(HUF_FORCE_DECOMPRESS_X1), 0)
CFLAGS += -DHUF_FORCE_DECOMPRESS_X1
endif
ifneq ($(HUF_FORCE_DECOMPRESS_X2), 0)
CFLAGS += -DHUF_FORCE_DECOMPRESS_X2
endif
ifneq ($(ZSTD_FORCE_DECOMPRESS_SHORT), 0)
CFLAGS += -DZSTD_FORCE_DECOMPRESS_SHORT
endif
ifneq ($(ZSTD_FORCE_DECOMPRESS_LONG), 0)
CFLAGS += -DZSTD_FORCE_DECOMPRESS_LONG
endif
ifneq ($(ZSTD_NO_INLINE), 0)
CFLAGS += -DZSTD_NO_INLINE
endif
ifneq ($(ZSTD_STRIP_ERROR_STRINGS), 0)
CFLAGS += -DZSTD_STRIP_ERROR_STRINGS
endif
ifneq ($(ZSTD_LEGACY_MULTITHREADED_API), 0)
CFLAGS += -DZSTD_LEGACY_MULTITHREADED_API
endif
ifneq ($(ZSTD_LEGACY_SUPPORT), 0)
ifeq ($(shell test $(ZSTD_LEGACY_SUPPORT) -lt 8; echo $$?), 0)
ZSTD_FILES += $(shell ls legacy/*.c | $(GREP) 'v0[$(ZSTD_LEGACY_SUPPORT)-7]')
endif
endif
CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
ZSTD_OBJ := $(patsubst %.c,%.o,$(ZSTD_FILES))
# macOS linker doesn't support -soname, and use different extension
# see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
ifeq ($(shell uname), Darwin)
SHARED_EXT = dylib
SHARED_EXT_MAJOR = $(LIBVER_MAJOR).$(SHARED_EXT)
SHARED_EXT_VER = $(LIBVER).$(SHARED_EXT)
SONAME_FLAGS = -install_name $(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR) -compatibility_version $(LIBVER_MAJOR) -current_version $(LIBVER)
else
SONAME_FLAGS = -Wl,-soname=libzstd.$(SHARED_EXT).$(LIBVER_MAJOR)
SHARED_EXT = so
SHARED_EXT_MAJOR = $(SHARED_EXT).$(LIBVER_MAJOR)
SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
endif
.PHONY: default lib-all all clean install uninstall
default: lib-release
# alias
lib-all: all
all: lib
libzstd.a: ARFLAGS = rcs
libzstd.a: $(ZSTD_OBJ)
@echo compiling static library
$(Q)$(AR) $(ARFLAGS) $@ $^
ifneq (,$(filter Windows%,$(TARGET_SYSTEM)))
LIBZSTD = dll\libzstd.dll
$(LIBZSTD): $(ZSTD_FILES)
@echo compiling dynamic library $(LIBVER)
$(CC) $(FLAGS) -DZSTD_DLL_EXPORT=1 -Wl,--out-implib,dll\libzstd.dll.a -shared $^ -o $@
else
LIBZSTD = libzstd.$(SHARED_EXT_VER)
$(LIBZSTD): LDFLAGS += -shared -fPIC -fvisibility=hidden
$(LIBZSTD): $(ZSTD_FILES)
@echo compiling dynamic library $(LIBVER)
$(Q)$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
@echo creating versioned links
$(Q)ln -sf $@ libzstd.$(SHARED_EXT_MAJOR)
$(Q)ln -sf $@ libzstd.$(SHARED_EXT)
endif
.PHONY: libzstd
libzstd : $(LIBZSTD)
.PHONY: lib
lib : libzstd.a libzstd
# note : do not define lib-mt or lib-release as .PHONY
# make does not consider implicit pattern rule for .PHONY target
%-mt : CPPFLAGS += -DZSTD_MULTITHREAD
%-mt : LDFLAGS += -pthread
%-mt : %
@echo multi-threading build completed
%-release : DEBUGFLAGS :=
%-release : %
@echo release build completed
# Special case : building library in single-thread mode _and_ without zstdmt_compress.c
ZSTDMT_FILES = compress/zstdmt_compress.c
ZSTD_NOMT_FILES = $(filter-out $(ZSTDMT_FILES),$(ZSTD_FILES))
libzstd-nomt: LDFLAGS += -shared -fPIC -fvisibility=hidden
libzstd-nomt: $(ZSTD_NOMT_FILES)
@echo compiling single-thread dynamic library $(LIBVER)
@echo files : $(ZSTD_NOMT_FILES)
$(Q)$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
clean:
$(Q)$(RM) -r *.dSYM # macOS-specific
$(Q)$(RM) core *.o *.a *.gcda *.$(SHARED_EXT) *.$(SHARED_EXT).* libzstd.pc
$(Q)$(RM) dll/libzstd.dll dll/libzstd.lib libzstd-nomt*
$(Q)$(RM) common/*.o compress/*.o decompress/*.o dictBuilder/*.o legacy/*.o deprecated/*.o
@echo Cleaning library completed
#-----------------------------------------------------------------------------
# make install is validated only for below listed environments
#-----------------------------------------------------------------------------
ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku))
all: libzstd.pc
DESTDIR ?=
# directory variables : GNU conventions prefer lowercase
# see https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html
# support both lower and uppercase (BSD), use uppercase in script
prefix ?= /usr/local
PREFIX ?= $(prefix)
exec_prefix ?= $(PREFIX)
EXEC_PREFIX ?= $(exec_prefix)
libdir ?= $(EXEC_PREFIX)/lib
LIBDIR ?= $(libdir)
includedir ?= $(PREFIX)/include
INCLUDEDIR ?= $(includedir)
PCLIBDIR ?= $(shell echo "$(LIBDIR)" | sed -n $(SED_ERE_OPT) -e "s@^$(EXEC_PREFIX)(/|$$)@@p")
PCINCDIR ?= $(shell echo "$(INCLUDEDIR)" | sed -n $(SED_ERE_OPT) -e "s@^$(PREFIX)(/|$$)@@p")
ifeq (,$(PCLIBDIR))
# Additional prefix check is required, since the empty string is technically a
# valid PCLIBDIR
ifeq (,$(shell echo "$(LIBDIR)" | sed -n $(SED_ERE_OPT) -e "\\@^$(EXEC_PREFIX)(/|$$)@ p"))
$(error configured libdir ($(LIBDIR)) is outside of prefix ($(PREFIX)), can't generate pkg-config file)
endif
endif
ifeq (,$(PCINCDIR))
# Additional prefix check is required, since the empty string is technically a
# valid PCINCDIR
ifeq (,$(shell echo "$(INCLUDEDIR)" | sed -n $(SED_ERE_OPT) -e "\\@^$(PREFIX)(/|$$)@ p"))
$(error configured includedir ($(INCLUDEDIR)) is outside of exec_prefix ($(EXEC_PREFIX)), can't generate pkg-config file)
endif
endif
ifneq (,$(filter $(shell uname),FreeBSD NetBSD DragonFly))
PKGCONFIGDIR ?= $(PREFIX)/libdata/pkgconfig
else
PKGCONFIGDIR ?= $(LIBDIR)/pkgconfig
endif
ifneq (,$(filter $(shell uname),SunOS))
INSTALL ?= ginstall
else
INSTALL ?= install
endif
INSTALL_PROGRAM ?= $(INSTALL)
INSTALL_DATA ?= $(INSTALL) -m 644
libzstd.pc:
libzstd.pc: libzstd.pc.in
@echo creating pkgconfig
$(Q)@sed $(SED_ERE_OPT) -e 's|@PREFIX@|$(PREFIX)|' \
-e 's|@LIBDIR@|$(PCLIBDIR)|' \
-e 's|@INCLUDEDIR@|$(PCINCDIR)|' \
-e 's|@VERSION@|$(VERSION)|' \
$< >$@
install: install-pc install-static install-shared install-includes
@echo zstd static and shared library installed
install-pc: libzstd.pc
$(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(PKGCONFIGDIR)/
$(Q)$(INSTALL_DATA) libzstd.pc $(DESTDIR)$(PKGCONFIGDIR)/
install-static: libzstd.a
@echo Installing static library
$(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
$(Q)$(INSTALL_DATA) libzstd.a $(DESTDIR)$(LIBDIR)
install-shared: libzstd
@echo Installing shared library
$(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
$(Q)$(INSTALL_PROGRAM) $(LIBZSTD) $(DESTDIR)$(LIBDIR)
$(Q)ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
$(Q)ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
install-includes:
@echo Installing includes
$(Q)$(INSTALL) -d -m 755 $(DESTDIR)$(INCLUDEDIR)/
$(Q)$(INSTALL_DATA) zstd.h $(DESTDIR)$(INCLUDEDIR)
$(Q)$(INSTALL_DATA) common/zstd_errors.h $(DESTDIR)$(INCLUDEDIR)
$(Q)$(INSTALL_DATA) dictBuilder/zdict.h $(DESTDIR)$(INCLUDEDIR)
uninstall:
$(Q)$(RM) $(DESTDIR)$(LIBDIR)/libzstd.a
$(Q)$(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
$(Q)$(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
$(Q)$(RM) $(DESTDIR)$(LIBDIR)/$(LIBZSTD)
$(Q)$(RM) $(DESTDIR)$(PKGCONFIGDIR)/libzstd.pc
$(Q)$(RM) $(DESTDIR)$(INCLUDEDIR)/zstd.h
$(Q)$(RM) $(DESTDIR)$(INCLUDEDIR)/zstd_errors.h
$(Q)$(RM) $(DESTDIR)$(INCLUDEDIR)/zdict.h
@echo zstd libraries successfully uninstalled
endif