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# ################################################################
# Copyright (c) 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.
# ################################################################
# Modules
ZSTD_LIB_COMPRESSION ?= 1
ZSTD_LIB_DECOMPRESSION ?= 1
ZSTD_LIB_DICTBUILDER ?= 1
ZSTD_LIB_DEPRECATED ?= 0
# Input variables for libzstd.mk
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
include libzstd.mk
ZSTD_FILES := $(ZSTD_COMMON_FILES) $(ZSTD_LEGACY_FILES)
ifneq ($(ZSTD_LIB_COMPRESSION), 0)
ZSTD_FILES += $(ZSTD_COMPRESS_FILES)
endif
ifneq ($(ZSTD_LIB_DECOMPRESSION), 0)
ZSTD_FILES += $(ZSTD_DECOMPRESS_FILES)
endif
ifneq ($(ZSTD_LIB_DEPRECATED), 0)
ZSTD_FILES += $(ZSTD_DEPRECATED_FILES)
endif
ifneq ($(ZSTD_LIB_DICTBUILDER), 0)
ZSTD_FILES += $(ZSTD_DICTBUILDER_FILES)
endif
ZSTD_LOCAL_SRC := $(notdir $(ZSTD_FILES))
ZSTD_LOCAL_OBJ0 := $(ZSTD_LOCAL_SRC:.c=.o)
ZSTD_LOCAL_OBJ := $(ZSTD_LOCAL_OBJ0:.S=.o)
VERSION := $(ZSTD_VERSION)
# Note: by default, the static library is built single-threaded and dynamic library is built
# multi-threaded. It is possible to force multi or single threaded builds by appending
# -mt or -nomt to the build target (like lib-mt for multi-threaded, lib-nomt for single-threaded).
.PHONY: default
default: lib-release
CPPFLAGS_DYNLIB += -DZSTD_MULTITHREAD # dynamic library build defaults to multi-threaded
LDFLAGS_DYNLIB += -pthread
CPPFLAGS_STATLIB += # static library build defaults to single-threaded
ifeq ($(findstring GCC,$(CCVER)),GCC)
decompress/zstd_decompress_block.o : CFLAGS+=-fno-tree-vectorize
endif
# macOS linker doesn't support -soname, and use different extension
# see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
ifeq ($(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 $(LIBVER)
else
ifeq ($(UNAME), AIX)
SONAME_FLAGS =
else
SONAME_FLAGS = -Wl,-soname=libzstd.$(SHARED_EXT).$(LIBVER_MAJOR)
endif
SHARED_EXT = so
SHARED_EXT_MAJOR = $(SHARED_EXT).$(LIBVER_MAJOR)
SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
endif
.PHONY: all
all: lib
.PHONY: libzstd.a # must be run every time
libzstd.a: CPPFLAGS += $(CPPFLAGS_STATLIB)
SET_CACHE_DIRECTORY = \
+$(MAKE) --no-print-directory $@ \
BUILD_DIR=obj/$(HASH_DIR) \
CPPFLAGS="$(CPPFLAGS)" \
CFLAGS="$(CFLAGS)" \
LDFLAGS="$(LDFLAGS)"
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)
# Check for multithread flag at target execution time
$(if $(filter -DZSTD_MULTITHREAD,$(CPPFLAGS)),\
@echo compiling multi-threaded static library $(LIBVER),\
@echo compiling single-threaded static library $(LIBVER))
$(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): CPPFLAGS += $(CPPFLAGS_DYNLIB)
$(LIBZSTD): CFLAGS += -fPIC -fvisibility=hidden
$(LIBZSTD): LDFLAGS += -shared $(LDFLAGS_DYNLIB)
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)
# Check for multithread flag at target execution time
$(if $(filter -DZSTD_MULTITHREAD,$(CPPFLAGS)),\
@echo compiling multi-threaded dynamic library $(LIBVER),\
@echo compiling single-threaded 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_DYNLIB := -DZSTD_MULTITHREAD
%-mt : CPPFLAGS_STATLIB := -DZSTD_MULTITHREAD
%-mt : LDFLAGS_DYNLIB := -pthread
%-mt : %
@echo multi-threaded build completed
%-nomt : CPPFLAGS_DYNLIB :=
%-nomt : LDFLAGS_DYNLIB :=
%-nomt : CPPFLAGS_STATLIB :=
%-nomt : %
@echo single-threaded 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) $<
$(ZSTD_DYNLIB_DIR)/%.o : %.S | $(ZSTD_DYNLIB_DIR)
@echo AS $@
$(COMPILE.S) $(OUTPUT_OPTION) $<
$(ZSTD_STATLIB_DIR)/%.o : %.S | $(ZSTD_STATLIB_DIR)
@echo AS $@
$(COMPILE.S) $(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: CFLAGS += -fPIC -fvisibility=hidden
libzstd-nomt: LDFLAGS += -shared
libzstd-nomt: $(ZSTD_NOMT_FILES)
@echo compiling single-thread dynamic library $(LIBVER)
@echo files : $(ZSTD_NOMT_FILES)
$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
.PHONY: clean
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 AIX))
lib: 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.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)|' \
-e 's|@LIBS_PRIVATE@|$(LDFLAGS_DYNLIB)|' \
$< >$@
.PHONY: install
install: install-pc install-static install-shared install-includes
@echo zstd static and shared library installed
.PHONY: install-pc
install-pc: libzstd.pc
[ -e $(DESTDIR)$(PKGCONFIGDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(PKGCONFIGDIR)/
$(INSTALL_DATA) libzstd.pc $(DESTDIR)$(PKGCONFIGDIR)/
.PHONY: install-static
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)
.PHONY: install-shared
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)
.PHONY: install-includes
install-includes:
[ -e $(DESTDIR)$(INCLUDEDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(INCLUDEDIR)/
@echo Installing includes
$(INSTALL_DATA) zstd.h $(DESTDIR)$(INCLUDEDIR)
$(INSTALL_DATA) zstd_errors.h $(DESTDIR)$(INCLUDEDIR)
$(INSTALL_DATA) zdict.h $(DESTDIR)$(INCLUDEDIR)
.PHONY: uninstall
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