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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.
# ################################################################
.PHONY: default
default: lib-release
# define silent mode as default (verbose mode with V=1 or VERBOSE=1)
$(V)$(VERBOSE).SILENT:
# When cross-compiling from linux to windows,
# one might need to specify TARGET_SYSTEM as "Windows."
# Building from Fedora fails without it.
# (but Ubuntu and Debian don't need to set anything)
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 $(CC) --version)
# ZSTD_LIB_MINIFY is a helper variable that
# configures a bunch of other variables to space-optimized defaults.
ZSTD_LIB_MINIFY ?= 0
ifneq ($(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
DEBUGLEVEL ?= 0
CPPFLAGS += -DXXH_NAMESPACE=ZSTD_ -DDEBUGLEVEL=$(DEBUGLEVEL)
ifeq ($(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_LOCAL_SRC := $(notdir $(ZSTD_FILES))
ZSTD_LOCAL_OBJ := $(ZSTD_LOCAL_SRC:.c=.o)
ZSTD_SUBDIR := common compress decompress dictBuilder legacy deprecated
vpath %.c $(ZSTD_SUBDIR)
UNAME := $(shell uname)
ifndef BUILD_DIR
ifeq ($(UNAME), Darwin)
HASH ?= md5
else ifeq ($(UNAME), FreeBSD)
HASH ?= gmd5sum
else ifeq ($(UNAME), OpenBSD)
HASH ?= md5
endif
HASH ?= md5sum
HASH_DIR = conf_$(shell echo $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(ZSTD_FILES) | $(HASH) | cut -f 1 -d " " )
HAVE_HASH :=$(shell echo 1 | $(HASH) > /dev/null && echo 1 || echo 0)
ifeq ($(HAVE_HASH),0)
$(info warning : could not find HASH ($(HASH)), needed to differentiate builds using different flags)
BUILD_DIR := obj/generic_noconf
endif
endif # BUILD_DIR
# 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 ($(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
SET_CACHE_DIRECTORY = \
$(MAKE) --no-print-directory $@ \
BUILD_DIR=obj/$(HASH_DIR) \
CPPFLAGS="$(CPPFLAGS)" \
CFLAGS="$(CFLAGS)" \
LDFLAGS="$(LDFLAGS)"
.PHONY: lib-all all clean install uninstall
# alias
lib-all: all
all: lib
.PHONY: libzstd.a # must be run every time
ifndef BUILD_DIR
# determine BUILD_DIR from compilation flags
libzstd.a:
$(SET_CACHE_DIRECTORY)
else
# BUILD_DIR is defined
ZSTD_STATLIB_DIR := $(BUILD_DIR)/static
ZSTD_STATLIB := $(ZSTD_STATLIB_DIR)/libzstd.a
ZSTD_STATLIB_OBJ := $(addprefix $(ZSTD_STATLIB_DIR)/,$(ZSTD_LOCAL_OBJ))
$(ZSTD_STATLIB): ARFLAGS = rcs
$(ZSTD_STATLIB): | $(ZSTD_STATLIB_DIR)
$(ZSTD_STATLIB): $(ZSTD_STATLIB_OBJ)
@echo compiling static library
$(AR) $(ARFLAGS) $@ $^
libzstd.a: $(ZSTD_STATLIB)
cp -f $< $@
endif
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 # not Windows
LIBZSTD = libzstd.$(SHARED_EXT_VER)
.PHONY: $(LIBZSTD) # must be run every time
$(LIBZSTD): CFLAGS += -fPIC
$(LIBZSTD): LDFLAGS += -shared -fvisibility=hidden
ifndef BUILD_DIR
# determine BUILD_DIR from compilation flags
$(LIBZSTD):
$(SET_CACHE_DIRECTORY)
else
# BUILD_DIR is defined
ZSTD_DYNLIB_DIR := $(BUILD_DIR)/dynamic
ZSTD_DYNLIB := $(ZSTD_DYNLIB_DIR)/$(LIBZSTD)
ZSTD_DYNLIB_OBJ := $(addprefix $(ZSTD_DYNLIB_DIR)/,$(ZSTD_LOCAL_OBJ))
$(ZSTD_DYNLIB): | $(ZSTD_DYNLIB_DIR)
$(ZSTD_DYNLIB): $(ZSTD_DYNLIB_OBJ)
@echo compiling dynamic library $(LIBVER)
$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
@echo creating versioned links
ln -sf $@ libzstd.$(SHARED_EXT_MAJOR)
ln -sf $@ libzstd.$(SHARED_EXT)
$(LIBZSTD): $(ZSTD_DYNLIB)
cp -f $< $@
endif # ifndef BUILD_DIR
endif # if windows
.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
# Generate .h dependencies automatically
DEPFLAGS = -MT $@ -MMD -MP -MF
$(ZSTD_DYNLIB_DIR)/%.o : %.c $(ZSTD_DYNLIB_DIR)/%.d | $(ZSTD_DYNLIB_DIR)
@echo CC $@
$(COMPILE.c) $(DEPFLAGS) $(ZSTD_DYNLIB_DIR)/$*.d $(OUTPUT_OPTION) $<
$(ZSTD_STATLIB_DIR)/%.o : %.c $(ZSTD_STATLIB_DIR)/%.d | $(ZSTD_STATLIB_DIR)
@echo CC $@
$(COMPILE.c) $(DEPFLAGS) $(ZSTD_STATLIB_DIR)/$*.d $(OUTPUT_OPTION) $<
MKDIR ?= mkdir
$(BUILD_DIR) $(ZSTD_DYNLIB_DIR) $(ZSTD_STATLIB_DIR):
$(MKDIR) -p $@
DEPFILES := $(ZSTD_DYNLIB_OBJ:.o=.d) $(ZSTD_STATLIB_OBJ:.o=.d)
$(DEPFILES):
include $(wildcard $(DEPFILES))
# 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)
$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
clean:
$(RM) -r *.dSYM # macOS-specific
$(RM) core *.o *.a *.gcda *.$(SHARED_EXT) *.$(SHARED_EXT).* libzstd.pc
$(RM) dll/libzstd.dll dll/libzstd.lib libzstd-nomt*
$(RM) -r obj/*
@echo Cleaning library completed
#-----------------------------------------------------------------------------
# make install is validated only for below listed environments
#-----------------------------------------------------------------------------
ifneq (,$(filter $(UNAME),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku))
all: libzstd.pc
HAS_EXPLICIT_EXEC_PREFIX := $(if $(or $(EXEC_PREFIX),$(exec_prefix)),1,)
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)
PCINCDIR := $(patsubst $(PREFIX)%,%,$(INCLUDEDIR))
PCLIBDIR := $(patsubst $(EXEC_PREFIX)%,%,$(LIBDIR))
# If we successfully stripped off a prefix, we'll add a reference to the
# relevant pc variable.
PCINCPREFIX := $(if $(findstring $(INCLUDEDIR),$(PCINCDIR)),,$${prefix})
PCLIBPREFIX := $(if $(findstring $(LIBDIR),$(PCLIBDIR)),,$${exec_prefix})
# If no explicit EXEC_PREFIX was set by the caller, write it out as a reference
# to PREFIX, rather than as a resolved value.
PCEXEC_PREFIX := $(if $(HAS_EXPLICIT_EXEC_PREFIX),$(EXEC_PREFIX),$${prefix})
ifneq (,$(filter $(UNAME),FreeBSD NetBSD DragonFly))
PKGCONFIGDIR ?= $(PREFIX)/libdata/pkgconfig
else
PKGCONFIGDIR ?= $(LIBDIR)/pkgconfig
endif
ifneq (,$(filter $(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
@sed $(SED_ERE_OPT) \
-e 's|@PREFIX@|$(PREFIX)|' \
-e 's|@EXEC_PREFIX@|$(PCEXEC_PREFIX)|' \
-e 's|@INCLUDEDIR@|$(PCINCPREFIX)$(PCINCDIR)|' \
-e 's|@LIBDIR@|$(PCLIBPREFIX)$(PCLIBDIR)|' \
-e 's|@VERSION@|$(VERSION)|' \
$< >$@
install: install-pc install-static install-shared install-includes
@echo zstd static and shared library installed
install-pc: libzstd.pc
[ -e $(DESTDIR)$(PKGCONFIGDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(PKGCONFIGDIR)/
$(INSTALL_DATA) libzstd.pc $(DESTDIR)$(PKGCONFIGDIR)/
install-static:
# only generate libzstd.a if it's not already present
[ -e libzstd.a ] || $(MAKE) libzstd.a-release
[ -e $(DESTDIR)$(LIBDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
@echo Installing static library
$(INSTALL_DATA) libzstd.a $(DESTDIR)$(LIBDIR)
install-shared:
# only generate libzstd.so if it's not already present
[ -e $(LIBZSTD) ] || $(MAKE) libzstd-release
[ -e $(DESTDIR)$(LIBDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
@echo Installing shared library
$(INSTALL_PROGRAM) $(LIBZSTD) $(DESTDIR)$(LIBDIR)
ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
install-includes:
[ -e $(DESTDIR)$(INCLUDEDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(INCLUDEDIR)/
@echo Installing includes
$(INSTALL_DATA) zstd.h $(DESTDIR)$(INCLUDEDIR)
$(INSTALL_DATA) common/zstd_errors.h $(DESTDIR)$(INCLUDEDIR)
$(INSTALL_DATA) dictBuilder/zdict.h $(DESTDIR)$(INCLUDEDIR)
uninstall:
$(RM) $(DESTDIR)$(LIBDIR)/libzstd.a
$(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
$(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
$(RM) $(DESTDIR)$(LIBDIR)/$(LIBZSTD)
$(RM) $(DESTDIR)$(PKGCONFIGDIR)/libzstd.pc
$(RM) $(DESTDIR)$(INCLUDEDIR)/zstd.h
$(RM) $(DESTDIR)$(INCLUDEDIR)/zstd_errors.h
$(RM) $(DESTDIR)$(INCLUDEDIR)/zdict.h
@echo zstd libraries successfully uninstalled
endif