The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/zstd/lib/Makefile

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    1 # ################################################################
    2 # Copyright (c) Yann Collet, Facebook, Inc.
    3 # All rights reserved.
    4 #
    5 # This source code is licensed under both the BSD-style license (found in the
    6 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
    7 # in the COPYING file in the root directory of this source tree).
    8 # You may select, at your option, one of the above-listed licenses.
    9 # ################################################################
   10 
   11 # Modules
   12 ZSTD_LIB_COMPRESSION ?= 1
   13 ZSTD_LIB_DECOMPRESSION ?= 1
   14 ZSTD_LIB_DICTBUILDER ?= 1
   15 ZSTD_LIB_DEPRECATED ?= 0
   16 
   17 # Input variables for libzstd.mk
   18 ifeq ($(ZSTD_LIB_COMPRESSION), 0)
   19   ZSTD_LIB_DICTBUILDER = 0
   20   ZSTD_LIB_DEPRECATED = 0
   21 endif
   22 
   23 ifeq ($(ZSTD_LIB_DECOMPRESSION), 0)
   24   ZSTD_LEGACY_SUPPORT = 0
   25   ZSTD_LIB_DEPRECATED = 0
   26 endif
   27 
   28 include libzstd.mk
   29 
   30 ZSTD_FILES := $(ZSTD_COMMON_FILES) $(ZSTD_LEGACY_FILES)
   31 
   32 ifneq ($(ZSTD_LIB_COMPRESSION), 0)
   33   ZSTD_FILES += $(ZSTD_COMPRESS_FILES)
   34 endif
   35 
   36 ifneq ($(ZSTD_LIB_DECOMPRESSION), 0)
   37   ZSTD_FILES += $(ZSTD_DECOMPRESS_FILES)
   38 endif
   39 
   40 ifneq ($(ZSTD_LIB_DEPRECATED), 0)
   41   ZSTD_FILES += $(ZSTD_DEPRECATED_FILES)
   42 endif
   43 
   44 ifneq ($(ZSTD_LIB_DICTBUILDER), 0)
   45   ZSTD_FILES += $(ZSTD_DICTBUILDER_FILES)
   46 endif
   47 
   48 ZSTD_LOCAL_SRC := $(notdir $(ZSTD_FILES))
   49 ZSTD_LOCAL_OBJ0 := $(ZSTD_LOCAL_SRC:.c=.o)
   50 ZSTD_LOCAL_OBJ := $(ZSTD_LOCAL_OBJ0:.S=.o)
   51 
   52 VERSION := $(ZSTD_VERSION)
   53 
   54 # Note: by default, the static library is built single-threaded and dynamic library is built
   55 # multi-threaded. It is possible to force multi or single threaded builds by appending
   56 # -mt or -nomt to the build target (like lib-mt for multi-threaded, lib-nomt for single-threaded).
   57 .PHONY: default
   58 default: lib-release
   59 
   60 CPPFLAGS_DYNLIB  += -DZSTD_MULTITHREAD # dynamic library build defaults to multi-threaded
   61 LDFLAGS_DYNLIB   += -pthread
   62 CPPFLAGS_STATLIB +=                    # static library build defaults to single-threaded
   63 
   64 
   65 ifeq ($(findstring GCC,$(CCVER)),GCC)
   66 decompress/zstd_decompress_block.o : CFLAGS+=-fno-tree-vectorize
   67 endif
   68 
   69 
   70 # macOS linker doesn't support -soname, and use different extension
   71 # see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
   72 ifeq ($(UNAME), Darwin)
   73   SHARED_EXT = dylib
   74   SHARED_EXT_MAJOR = $(LIBVER_MAJOR).$(SHARED_EXT)
   75   SHARED_EXT_VER = $(LIBVER).$(SHARED_EXT)
   76   SONAME_FLAGS = -install_name $(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR) -compatibility_version $(LIBVER_MAJOR) -current_version $(LIBVER)
   77 else
   78   ifeq ($(UNAME), AIX)
   79     SONAME_FLAGS =
   80   else
   81     SONAME_FLAGS = -Wl,-soname=libzstd.$(SHARED_EXT).$(LIBVER_MAJOR)
   82   endif
   83   SHARED_EXT = so
   84   SHARED_EXT_MAJOR = $(SHARED_EXT).$(LIBVER_MAJOR)
   85   SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
   86 endif
   87 
   88 
   89 .PHONY: all
   90 all: lib
   91 
   92 
   93 .PHONY: libzstd.a  # must be run every time
   94 libzstd.a: CPPFLAGS += $(CPPFLAGS_STATLIB)
   95 
   96 SET_CACHE_DIRECTORY = \
   97    +$(MAKE) --no-print-directory $@ \
   98     BUILD_DIR=obj/$(HASH_DIR) \
   99     CPPFLAGS="$(CPPFLAGS)" \
  100     CFLAGS="$(CFLAGS)" \
  101     LDFLAGS="$(LDFLAGS)"
  102 
  103 ifndef BUILD_DIR
  104 # determine BUILD_DIR from compilation flags
  105 
  106 libzstd.a:
  107         $(SET_CACHE_DIRECTORY)
  108 
  109 else
  110 # BUILD_DIR is defined
  111 
  112 ZSTD_STATLIB_DIR := $(BUILD_DIR)/static
  113 ZSTD_STATLIB := $(ZSTD_STATLIB_DIR)/libzstd.a
  114 ZSTD_STATLIB_OBJ := $(addprefix $(ZSTD_STATLIB_DIR)/,$(ZSTD_LOCAL_OBJ))
  115 $(ZSTD_STATLIB): ARFLAGS = rcs
  116 $(ZSTD_STATLIB): | $(ZSTD_STATLIB_DIR)
  117 $(ZSTD_STATLIB): $(ZSTD_STATLIB_OBJ)
  118   # Check for multithread flag at target execution time
  119         $(if $(filter -DZSTD_MULTITHREAD,$(CPPFLAGS)),\
  120     @echo compiling multi-threaded static library $(LIBVER),\
  121     @echo compiling single-threaded static library $(LIBVER))
  122         $(AR) $(ARFLAGS) $@ $^
  123 
  124 libzstd.a: $(ZSTD_STATLIB)
  125         cp -f $< $@
  126 
  127 endif
  128 
  129 ifneq (,$(filter Windows%,$(TARGET_SYSTEM)))
  130 
  131 LIBZSTD = dll/libzstd.dll
  132 $(LIBZSTD): $(ZSTD_FILES)
  133         @echo compiling dynamic library $(LIBVER)
  134         $(CC) $(FLAGS) -DZSTD_DLL_EXPORT=1 -Wl,--out-implib,dll/libzstd.dll.a -shared $^ -o $@
  135 
  136 else  # not Windows
  137 
  138 LIBZSTD = libzstd.$(SHARED_EXT_VER)
  139 .PHONY: $(LIBZSTD)  # must be run every time
  140 $(LIBZSTD): CPPFLAGS += $(CPPFLAGS_DYNLIB)
  141 $(LIBZSTD): CFLAGS   += -fPIC -fvisibility=hidden
  142 $(LIBZSTD): LDFLAGS  += -shared $(LDFLAGS_DYNLIB)
  143 
  144 ifndef BUILD_DIR
  145 # determine BUILD_DIR from compilation flags
  146 
  147 $(LIBZSTD):
  148         $(SET_CACHE_DIRECTORY)
  149 
  150 else
  151 # BUILD_DIR is defined
  152 
  153 ZSTD_DYNLIB_DIR := $(BUILD_DIR)/dynamic
  154 ZSTD_DYNLIB := $(ZSTD_DYNLIB_DIR)/$(LIBZSTD)
  155 ZSTD_DYNLIB_OBJ := $(addprefix $(ZSTD_DYNLIB_DIR)/,$(ZSTD_LOCAL_OBJ))
  156 
  157 $(ZSTD_DYNLIB): | $(ZSTD_DYNLIB_DIR)
  158 $(ZSTD_DYNLIB): $(ZSTD_DYNLIB_OBJ)
  159 # Check for multithread flag at target execution time
  160         $(if $(filter -DZSTD_MULTITHREAD,$(CPPFLAGS)),\
  161     @echo compiling multi-threaded dynamic library $(LIBVER),\
  162     @echo compiling single-threaded dynamic library $(LIBVER))
  163         $(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
  164         @echo creating versioned links
  165         ln -sf $@ libzstd.$(SHARED_EXT_MAJOR)
  166         ln -sf $@ libzstd.$(SHARED_EXT)
  167 
  168 $(LIBZSTD): $(ZSTD_DYNLIB)
  169         cp -f $< $@
  170 
  171 endif  # ifndef BUILD_DIR
  172 endif  # if windows
  173 
  174 .PHONY: libzstd
  175 libzstd : $(LIBZSTD)
  176 
  177 .PHONY: lib
  178 lib : libzstd.a libzstd
  179 
  180 
  181 # note : do not define lib-mt or lib-release as .PHONY
  182 # make does not consider implicit pattern rule for .PHONY target
  183 
  184 %-mt : CPPFLAGS_DYNLIB  := -DZSTD_MULTITHREAD
  185 %-mt : CPPFLAGS_STATLIB := -DZSTD_MULTITHREAD
  186 %-mt : LDFLAGS_DYNLIB   := -pthread
  187 %-mt : %
  188         @echo multi-threaded build completed
  189 
  190 %-nomt : CPPFLAGS_DYNLIB  :=
  191 %-nomt : LDFLAGS_DYNLIB   :=
  192 %-nomt : CPPFLAGS_STATLIB :=
  193 %-nomt : %
  194         @echo single-threaded build completed
  195 
  196 %-release : DEBUGFLAGS :=
  197 %-release : %
  198         @echo release build completed
  199 
  200 
  201 # Generate .h dependencies automatically
  202 
  203 DEPFLAGS = -MT $@ -MMD -MP -MF
  204 
  205 $(ZSTD_DYNLIB_DIR)/%.o : %.c $(ZSTD_DYNLIB_DIR)/%.d | $(ZSTD_DYNLIB_DIR)
  206         @echo CC $@
  207         $(COMPILE.c) $(DEPFLAGS) $(ZSTD_DYNLIB_DIR)/$*.d $(OUTPUT_OPTION) $<
  208 
  209 $(ZSTD_STATLIB_DIR)/%.o : %.c $(ZSTD_STATLIB_DIR)/%.d | $(ZSTD_STATLIB_DIR)
  210         @echo CC $@
  211         $(COMPILE.c) $(DEPFLAGS) $(ZSTD_STATLIB_DIR)/$*.d $(OUTPUT_OPTION) $<
  212 
  213 $(ZSTD_DYNLIB_DIR)/%.o : %.S | $(ZSTD_DYNLIB_DIR)
  214         @echo AS $@
  215         $(COMPILE.S) $(OUTPUT_OPTION) $<
  216 
  217 $(ZSTD_STATLIB_DIR)/%.o : %.S | $(ZSTD_STATLIB_DIR)
  218         @echo AS $@
  219         $(COMPILE.S) $(OUTPUT_OPTION) $<
  220 
  221 MKDIR ?= mkdir
  222 $(BUILD_DIR) $(ZSTD_DYNLIB_DIR) $(ZSTD_STATLIB_DIR):
  223         $(MKDIR) -p $@
  224 
  225 DEPFILES := $(ZSTD_DYNLIB_OBJ:.o=.d) $(ZSTD_STATLIB_OBJ:.o=.d)
  226 $(DEPFILES):
  227 
  228 include $(wildcard $(DEPFILES))
  229 
  230 
  231 # Special case : building library in single-thread mode _and_ without zstdmt_compress.c
  232 ZSTDMT_FILES = compress/zstdmt_compress.c
  233 ZSTD_NOMT_FILES = $(filter-out $(ZSTDMT_FILES),$(ZSTD_FILES))
  234 libzstd-nomt: CFLAGS += -fPIC -fvisibility=hidden
  235 libzstd-nomt: LDFLAGS += -shared
  236 libzstd-nomt: $(ZSTD_NOMT_FILES)
  237         @echo compiling single-thread dynamic library $(LIBVER)
  238         @echo files : $(ZSTD_NOMT_FILES)
  239         $(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
  240 
  241 .PHONY: clean
  242 clean:
  243         $(RM) -r *.dSYM   # macOS-specific
  244         $(RM) core *.o *.a *.gcda *.$(SHARED_EXT) *.$(SHARED_EXT).* libzstd.pc
  245         $(RM) dll/libzstd.dll dll/libzstd.lib libzstd-nomt*
  246         $(RM) -r obj/*
  247         @echo Cleaning library completed
  248 
  249 #-----------------------------------------------------------------------------
  250 # make install is validated only for below listed environments
  251 #-----------------------------------------------------------------------------
  252 ifneq (,$(filter $(UNAME),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku AIX))
  253 
  254 lib: libzstd.pc
  255 
  256 HAS_EXPLICIT_EXEC_PREFIX := $(if $(or $(EXEC_PREFIX),$(exec_prefix)),1,)
  257 
  258 DESTDIR     ?=
  259 # directory variables : GNU conventions prefer lowercase
  260 # see https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html
  261 # support both lower and uppercase (BSD), use uppercase in script
  262 prefix      ?= /usr/local
  263 PREFIX      ?= $(prefix)
  264 exec_prefix ?= $(PREFIX)
  265 EXEC_PREFIX ?= $(exec_prefix)
  266 libdir      ?= $(EXEC_PREFIX)/lib
  267 LIBDIR      ?= $(libdir)
  268 includedir  ?= $(PREFIX)/include
  269 INCLUDEDIR  ?= $(includedir)
  270 
  271 PCINCDIR := $(patsubst $(PREFIX)%,%,$(INCLUDEDIR))
  272 PCLIBDIR := $(patsubst $(EXEC_PREFIX)%,%,$(LIBDIR))
  273 
  274 # If we successfully stripped off a prefix, we'll add a reference to the
  275 # relevant pc variable.
  276 PCINCPREFIX := $(if $(findstring $(INCLUDEDIR),$(PCINCDIR)),,$${prefix})
  277 PCLIBPREFIX := $(if $(findstring $(LIBDIR),$(PCLIBDIR)),,$${exec_prefix})
  278 
  279 # If no explicit EXEC_PREFIX was set by the caller, write it out as a reference
  280 # to PREFIX, rather than as a resolved value.
  281 PCEXEC_PREFIX := $(if $(HAS_EXPLICIT_EXEC_PREFIX),$(EXEC_PREFIX),$${prefix})
  282 
  283 ifneq (,$(filter $(UNAME),FreeBSD NetBSD DragonFly))
  284   PKGCONFIGDIR ?= $(PREFIX)/libdata/pkgconfig
  285 else
  286   PKGCONFIGDIR ?= $(LIBDIR)/pkgconfig
  287 endif
  288 
  289 ifneq (,$(filter $(UNAME),SunOS))
  290   INSTALL ?= ginstall
  291 else
  292   INSTALL ?= install
  293 endif
  294 
  295 INSTALL_PROGRAM ?= $(INSTALL)
  296 INSTALL_DATA    ?= $(INSTALL) -m 644
  297 
  298 
  299 libzstd.pc: libzstd.pc.in
  300         @echo creating pkgconfig
  301         @sed $(SED_ERE_OPT) \
  302                 -e 's|@PREFIX@|$(PREFIX)|' \
  303                 -e 's|@EXEC_PREFIX@|$(PCEXEC_PREFIX)|' \
  304                 -e 's|@INCLUDEDIR@|$(PCINCPREFIX)$(PCINCDIR)|' \
  305                 -e 's|@LIBDIR@|$(PCLIBPREFIX)$(PCLIBDIR)|' \
  306                 -e 's|@VERSION@|$(VERSION)|' \
  307                 -e 's|@LIBS_PRIVATE@|$(LDFLAGS_DYNLIB)|' \
  308                 $< >$@
  309 
  310 .PHONY: install
  311 install: install-pc install-static install-shared install-includes
  312         @echo zstd static and shared library installed
  313 
  314 .PHONY: install-pc
  315 install-pc: libzstd.pc
  316         [ -e $(DESTDIR)$(PKGCONFIGDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(PKGCONFIGDIR)/
  317         $(INSTALL_DATA) libzstd.pc $(DESTDIR)$(PKGCONFIGDIR)/
  318 
  319 .PHONY: install-static
  320 install-static:
  321         # only generate libzstd.a if it's not already present
  322         [ -e libzstd.a ] || $(MAKE) libzstd.a-release
  323         [ -e $(DESTDIR)$(LIBDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
  324         @echo Installing static library
  325         $(INSTALL_DATA) libzstd.a $(DESTDIR)$(LIBDIR)
  326 
  327 .PHONY: install-shared
  328 install-shared:
  329         # only generate libzstd.so if it's not already present
  330         [ -e $(LIBZSTD) ] || $(MAKE) libzstd-release
  331         [ -e $(DESTDIR)$(LIBDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(LIBDIR)/
  332         @echo Installing shared library
  333         $(INSTALL_PROGRAM) $(LIBZSTD) $(DESTDIR)$(LIBDIR)
  334         ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
  335         ln -sf $(LIBZSTD) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
  336 
  337 .PHONY: install-includes
  338 install-includes:
  339         [ -e $(DESTDIR)$(INCLUDEDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(INCLUDEDIR)/
  340         @echo Installing includes
  341         $(INSTALL_DATA) zstd.h $(DESTDIR)$(INCLUDEDIR)
  342         $(INSTALL_DATA) zstd_errors.h $(DESTDIR)$(INCLUDEDIR)
  343         $(INSTALL_DATA) zdict.h $(DESTDIR)$(INCLUDEDIR)
  344 
  345 .PHONY: uninstall
  346 uninstall:
  347         $(RM) $(DESTDIR)$(LIBDIR)/libzstd.a
  348         $(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)
  349         $(RM) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
  350         $(RM) $(DESTDIR)$(LIBDIR)/$(LIBZSTD)
  351         $(RM) $(DESTDIR)$(PKGCONFIGDIR)/libzstd.pc
  352         $(RM) $(DESTDIR)$(INCLUDEDIR)/zstd.h
  353         $(RM) $(DESTDIR)$(INCLUDEDIR)/zstd_errors.h
  354         $(RM) $(DESTDIR)$(INCLUDEDIR)/zdict.h
  355         @echo zstd libraries successfully uninstalled
  356 
  357 endif

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