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      1 # ################################################################
      2 # Copyright (c) Meta Platforms, Inc. and affiliates.
      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 # zstd : Command Line Utility, supporting gzip-like arguments
     11 # zstd32 : Same as zstd, but forced to compile in 32-bits mode
     12 # zstd-nolegacy : zstd without support of decompression of legacy versions
     13 # zstd-small : minimal zstd without dictionary builder and benchmark
     14 # zstd-compress : compressor-only version of zstd
     15 # zstd-decompress : decompressor-only version of zstd
     16 # ##########################################################################
     17 
     18 # default target (when running `make` with no argument)
     19 zstd-release:
     20 
     21 LIBZSTD_MK_DIR = ../lib
     22 include $(LIBZSTD_MK_DIR)/libzstd.mk
     23 
     24 ifeq ($(shell $(CC) -v 2>&1 | $(GREP) -c "gcc version "), 1)
     25   ALIGN_LOOP = -falign-loops=32
     26 else
     27   ALIGN_LOOP =
     28 endif
     29 
     30 ZSTDLIB_COMMON_SRC := $(sort $(ZSTD_COMMON_FILES))
     31 ZSTDLIB_COMPRESS_SRC := $(sort $(ZSTD_COMPRESS_FILES))
     32 ZSTDLIB_DECOMPRESS_SRC := $(sort $(ZSTD_DECOMPRESS_FILES))
     33 ZSTDLIB_CORE_SRC := $(sort $(ZSTD_DECOMPRESS_FILES) $(ZSTD_COMMON_FILES) $(ZSTD_COMPRESS_FILES))
     34 ZDICT_SRC := $(sort $(ZSTD_DICTBUILDER_FILES))
     35 ZSTDLEGACY_SRC := $(sort $(ZSTD_LEGACY_FILES))
     36 
     37 # Sort files in alphabetical order for reproducible builds
     38 ZSTDLIB_FULL_SRC = $(sort $(ZSTDLIB_CORE_SRC) $(ZSTDLEGACY_SRC) $(ZDICT_SRC))
     39 ZSTDLIB_LOCAL_SRC = $(notdir $(ZSTDLIB_FULL_SRC))
     40 ZSTDLIB_LOCAL_OBJ0 := $(ZSTDLIB_LOCAL_SRC:.c=.o)
     41 ZSTDLIB_LOCAL_OBJ := $(ZSTDLIB_LOCAL_OBJ0:.S=.o)
     42 
     43 ZSTD_CLI_SRC := $(sort $(wildcard *.c))
     44 ZSTD_CLI_OBJ := $(ZSTD_CLI_SRC:.c=.o)
     45 
     46 ZSTD_ALL_SRC = $(ZSTDLIB_LOCAL_SRC) $(ZSTD_CLI_SRC)
     47 ZSTD_ALL_OBJ0 := $(ZSTD_ALL_SRC:.c=.o)
     48 ZSTD_ALL_OBJ := $(ZSTD_ALL_OBJ0:.S=.o)
     49 
     50 # Define *.exe as extension for Windows systems
     51 ifneq (,$(filter Windows%,$(OS)))
     52   EXT =.exe
     53   RES64_FILE = windres/zstd64.res
     54   RES32_FILE = windres/zstd32.res
     55 ifneq (,$(filter x86_64%,$(shell $(CC) -dumpmachine)))
     56     RES_FILE = $(RES64_FILE)
     57 else
     58     RES_FILE = $(RES32_FILE)
     59 endif
     60 else
     61   EXT =
     62 endif
     63 
     64 # thread detection
     65 NO_THREAD_MSG := ==> no threads, building without multithreading support
     66 HAVE_PTHREAD := $(shell printf '$(NUM_SYMBOL)include <pthread.h>\nint main(void) { return 0; }' > have_pthread.c && $(CC) $(FLAGS) -o have_pthread$(EXT) have_pthread.c -pthread 2> $(VOID) && rm have_pthread$(EXT) && echo 1 || echo 0; rm have_pthread.c)
     67 HAVE_THREAD := $(shell [ "$(HAVE_PTHREAD)" -eq "1" -o -n "$(filter Windows%,$(OS))" ] && echo 1 || echo 0)
     68 ifeq ($(HAVE_THREAD), 1)
     69   THREAD_MSG := ==> building with threading support
     70   THREAD_CPP := -DZSTD_MULTITHREAD
     71   THREAD_LD := -pthread
     72 else
     73   THREAD_MSG := $(NO_THREAD_MSG)
     74 endif
     75 
     76 # zlib detection
     77 NO_ZLIB_MSG := ==> no zlib, building zstd without .gz support
     78 HAVE_ZLIB ?= $(shell printf '$(NUM_SYMBOL)include <zlib.h>\nint main(void) { return 0; }' > have_zlib.c && $(CC) $(FLAGS) -o have_zlib$(EXT) have_zlib.c -lz 2> $(VOID) && rm have_zlib$(EXT) && echo 1 || echo 0; rm have_zlib.c)
     79 ifeq ($(HAVE_ZLIB), 1)
     80   ZLIB_MSG := ==> building zstd with .gz compression support
     81   ZLIBCPP = -DZSTD_GZCOMPRESS -DZSTD_GZDECOMPRESS
     82   ZLIBLD = -lz
     83 else
     84   ZLIB_MSG := $(NO_ZLIB_MSG)
     85 endif
     86 
     87 # lzma detection
     88 NO_LZMA_MSG := ==> no liblzma, building zstd without .xz/.lzma support
     89 HAVE_LZMA ?= $(shell printf '$(NUM_SYMBOL)include <lzma.h>\nint main(void) { return 0; }' > have_lzma.c && $(CC) $(FLAGS) -o have_lzma$(EXT) have_lzma.c -llzma 2> $(VOID) && rm have_lzma$(EXT) && echo 1 || echo 0; rm have_lzma.c)
     90 ifeq ($(HAVE_LZMA), 1)
     91   LZMA_MSG := ==> building zstd with .xz/.lzma compression support
     92   LZMACPP = -DZSTD_LZMACOMPRESS -DZSTD_LZMADECOMPRESS
     93   LZMALD = -llzma
     94 else
     95   LZMA_MSG := $(NO_LZMA_MSG)
     96 endif
     97 
     98 # lz4 detection
     99 NO_LZ4_MSG := ==> no liblz4, building zstd without .lz4 support
    100 HAVE_LZ4 ?= $(shell printf '$(NUM_SYMBOL)include <lz4frame.h>\n$(NUM_SYMBOL)include <lz4.h>\nint main(void) { return 0; }' > have_lz4.c && $(CC) $(FLAGS) -o have_lz4$(EXT) have_lz4.c -llz4 2> $(VOID) && rm have_lz4$(EXT) && echo 1 || echo 0; rm have_lz4.c)
    101 ifeq ($(HAVE_LZ4), 1)
    102   LZ4_MSG := ==> building zstd with .lz4 compression support
    103   LZ4CPP = -DZSTD_LZ4COMPRESS -DZSTD_LZ4DECOMPRESS
    104   LZ4LD = -llz4
    105 else
    106   LZ4_MSG := $(NO_LZ4_MSG)
    107 endif
    108 
    109 # explicit backtrace enable/disable for Linux & Darwin
    110 ifeq ($(BACKTRACE), 0)
    111   DEBUGFLAGS += -DBACKTRACE_ENABLE=0
    112 endif
    113 ifeq (,$(filter Windows%, $(OS)))
    114 ifeq ($(BACKTRACE), 1)
    115   DEBUGFLAGS += -DBACKTRACE_ENABLE=1
    116   DEBUGFLAGS_LD += -rdynamic
    117 endif
    118 endif
    119 
    120 SET_CACHE_DIRECTORY = \
    121    +$(MAKE) --no-print-directory $@ \
    122     BUILD_DIR=obj/$(HASH_DIR) \
    123     CPPFLAGS="$(CPPFLAGS)" \
    124     CFLAGS="$(CFLAGS)" \
    125     LDFLAGS="$(LDFLAGS)" \
    126     LDLIBS="$(LDLIBS)" \
    127     ZSTD_ALL_SRC="$(ZSTD_ALL_SRC)"
    128 
    129 
    130 .PHONY: all
    131 all: zstd zstd-compress zstd-decompress zstd-small
    132 
    133 .PHONY: allVariants
    134 allVariants: all zstd-frugal zstd-nolegacy zstd-dictBuilder
    135 
    136 .PHONY: zstd  # must always be run
    137 zstd : CPPFLAGS += $(THREAD_CPP) $(ZLIBCPP) $(LZMACPP) $(LZ4CPP)
    138 zstd : LDFLAGS += $(THREAD_LD) $(DEBUGFLAGS_LD)
    139 zstd : LDLIBS += $(ZLIBLD) $(LZMALD) $(LZ4LD)
    140 zstd : CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
    141 ifneq (,$(filter Windows%,$(OS)))
    142 zstd : $(RES_FILE)
    143 endif
    144 
    145 ifndef BUILD_DIR
    146 # generate BUILD_DIR from flags
    147 
    148 zstd:
    149 	$(SET_CACHE_DIRECTORY)
    150 
    151 else
    152 # BUILD_DIR is defined
    153 
    154 ZSTD_OBJ := $(addprefix $(BUILD_DIR)/, $(ZSTD_ALL_OBJ))
    155 $(BUILD_DIR)/zstd : $(ZSTD_OBJ)
    156 	@echo "$(THREAD_MSG)"
    157 	@echo "$(ZLIB_MSG)"
    158 	@echo "$(LZMA_MSG)"
    159 	@echo "$(LZ4_MSG)"
    160 	@echo LINK $@
    161 	$(CC) $(FLAGS) $^ $(LDLIBS) -o $@$(EXT)
    162 
    163 ifeq ($(HAVE_HASH),1)
    164 SRCBIN_HASH = $(shell cat $(BUILD_DIR)/zstd$(EXT) 2> $(VOID) | $(HASH) | cut -f 1 -d " ")
    165 DSTBIN_HASH = $(shell cat zstd$(EXT) 2> $(VOID) | $(HASH) | cut -f 1 -d " ")
    166 BIN_ISDIFFERENT = $(if $(filter $(SRCBIN_HASH),$(DSTBIN_HASH)),0,1)
    167 else
    168 BIN_ISDIFFERENT = 1
    169 endif
    170 
    171 zstd : $(BUILD_DIR)/zstd
    172 	if [ $(BIN_ISDIFFERENT) -eq 1 ]; then \
    173 		cp -f $<$(EXT) $@$(EXT); \
    174 		echo zstd build completed; \
    175 	else \
    176 		echo zstd already built; \
    177 	fi
    178 
    179 endif  # BUILD_DIR
    180 
    181 
    182 CLEAN += zstd
    183 .PHONY: zstd-release
    184 zstd-release: DEBUGFLAGS := -DBACKTRACE_ENABLE=0
    185 zstd-release: DEBUGFLAGS_LD :=
    186 zstd-release: zstd
    187 
    188 CLEAN += zstd32
    189 zstd32 : CPPFLAGS += $(THREAD_CPP)
    190 zstd32 : LDFLAGS  += $(THREAD_LD)
    191 zstd32 : CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
    192 ifneq (,$(filter Windows%,$(OS)))
    193 zstd32 : $(RES32_FILE)
    194 endif
    195 zstd32 : $(ZSTDLIB_FULL_SRC) $(ZSTD_CLI_SRC)
    196 	$(CC) -m32 $(FLAGS) $^ -o $@$(EXT)
    197 
    198 ## zstd-nolegacy: same scope as zstd, with removed support of legacy formats
    199 CLEAN += zstd-nolegacy
    200 zstd-nolegacy : LDFLAGS += $(THREAD_LD) $(ZLIBLD) $(LZMALD) $(LZ4LD) $(DEBUGFLAGS_LD)
    201 zstd-nolegacy : CPPFLAGS += -UZSTD_LEGACY_SUPPORT -DZSTD_LEGACY_SUPPORT=0
    202 zstd-nolegacy : $(ZSTDLIB_CORE_SRC) $(ZDICT_SRC) $(ZSTD_CLI_OBJ)
    203 	$(CC) $(FLAGS) $^ -o $@$(EXT) $(LDFLAGS)
    204 
    205 .PHONY: zstd-nomt
    206 zstd-nomt : THREAD_CPP :=
    207 zstd-nomt : THREAD_LD  :=
    208 zstd-nomt : THREAD_MSG := - multi-threading disabled
    209 zstd-nomt : zstd
    210 
    211 .PHONY: zstd-nogz
    212 zstd-nogz : ZLIBCPP :=
    213 zstd-nogz : ZLIBLD  :=
    214 zstd-nogz : ZLIB_MSG := - gzip support is disabled
    215 zstd-nogz : zstd
    216 
    217 .PHONY: zstd-noxz
    218 zstd-noxz : LZMACPP :=
    219 zstd-noxz : LZMALD  :=
    220 zstd-noxz : LZMA_MSG := - xz/lzma support is disabled
    221 zstd-noxz : zstd
    222 
    223 ## zstd-dll: zstd executable linked to dynamic library libzstd (must have same version)
    224 .PHONY: zstd-dll
    225 zstd-dll : LDFLAGS+= -L$(LIB_BINDIR)
    226 zstd-dll : LDLIBS += -lzstd
    227 zstd-dll : ZSTDLIB_LOCAL_SRC = xxhash.c pool.c threading.c
    228 zstd-dll : zstd
    229 
    230 
    231 ## zstd-pgo: zstd executable optimized with PGO.
    232 .PHONY: zstd-pgo
    233 zstd-pgo : LLVM_PROFDATA?=llvm-profdata
    234 zstd-pgo : PROF_GENERATE_FLAGS=-fprofile-generate $(if $(findstring gcc,$(CC)),-fprofile-dir=.)
    235 zstd-pgo : PROF_USE_FLAGS=-fprofile-use $(if $(findstring gcc,$(CC)),-fprofile-dir=. -Werror=missing-profile -Wno-error=coverage-mismatch)
    236 zstd-pgo :
    237 	$(MAKE) clean HASH_DIR=$(HASH_DIR)
    238 	$(MAKE) zstd HASH_DIR=$(HASH_DIR) MOREFLAGS="$(PROF_GENERATE_FLAGS)"
    239 	./zstd -b19i1 $(PROFILE_WITH)
    240 	./zstd -b16i1 $(PROFILE_WITH)
    241 	./zstd -b9i2 $(PROFILE_WITH)
    242 	./zstd -b $(PROFILE_WITH)
    243 	./zstd -b7i2 $(PROFILE_WITH)
    244 	./zstd -b5 $(PROFILE_WITH)
    245 ifndef BUILD_DIR
    246 	$(RM) zstd obj/$(HASH_DIR)/zstd obj/$(HASH_DIR)/*.o
    247 else
    248 	$(RM) zstd $(BUILD_DIR)/zstd $(BUILD_DIR)/*.o
    249 endif
    250 	case $(CC) in *clang*) if ! [ -e default.profdata ]; then $(LLVM_PROFDATA) merge -output=default.profdata default*.profraw; fi ;; esac
    251 	$(MAKE) zstd HASH_DIR=$(HASH_DIR) MOREFLAGS="$(PROF_USE_FLAGS)"
    252 
    253 ## zstd-small: minimal target, supporting only zstd compression and decompression. no bench. no legacy. no other format.
    254 CLEAN += zstd-small zstd-frugal
    255 zstd-small: CFLAGS = -Os -Wl,-s
    256 zstd-frugal zstd-small: $(ZSTDLIB_CORE_SRC) zstdcli.c util.c timefn.c fileio.c fileio_asyncio.c
    257 	$(CC) $(FLAGS) -DZSTD_NOBENCH -DZSTD_NODICT -DZSTD_NOTRACE -UZSTD_LEGACY_SUPPORT -DZSTD_LEGACY_SUPPORT=0 $^ -o $@$(EXT)
    258 
    259 CLEAN += zstd-decompress
    260 zstd-decompress: $(ZSTDLIB_COMMON_SRC) $(ZSTDLIB_DECOMPRESS_SRC) zstdcli.c util.c timefn.c fileio.c fileio_asyncio.c
    261 	$(CC) $(FLAGS) -DZSTD_NOBENCH -DZSTD_NODICT -DZSTD_NOCOMPRESS -DZSTD_NOTRACE -UZSTD_LEGACY_SUPPORT -DZSTD_LEGACY_SUPPORT=0 $^ -o $@$(EXT)
    262 
    263 CLEAN += zstd-compress
    264 zstd-compress: $(ZSTDLIB_COMMON_SRC) $(ZSTDLIB_COMPRESS_SRC) zstdcli.c util.c timefn.c fileio.c fileio_asyncio.c
    265 	$(CC) $(FLAGS) -DZSTD_NOBENCH -DZSTD_NODICT -DZSTD_NODECOMPRESS -DZSTD_NOTRACE -UZSTD_LEGACY_SUPPORT -DZSTD_LEGACY_SUPPORT=0 $^ -o $@$(EXT)
    266 
    267 ## zstd-dictBuilder: executable supporting dictionary creation and compression (only)
    268 CLEAN += zstd-dictBuilder
    269 zstd-dictBuilder: $(ZSTDLIB_COMMON_SRC) $(ZSTDLIB_COMPRESS_SRC) $(ZDICT_SRC) zstdcli.c util.c timefn.c fileio.c fileio_asyncio.c dibio.c
    270 	$(CC) $(FLAGS) -DZSTD_NOBENCH -DZSTD_NODECOMPRESS -DZSTD_NOTRACE $^ -o $@$(EXT)
    271 
    272 CLEAN += zstdmt
    273 zstdmt: zstd
    274 	ln -sf zstd zstdmt
    275 
    276 .PHONY: generate_res
    277 generate_res: $(RES64_FILE) $(RES32_FILE)
    278 
    279 ifneq (,$(filter Windows%,$(OS)))
    280 RC ?= windres
    281 # https://stackoverflow.com/questions/708238/how-do-i-add-an-icon-to-a-mingw-gcc-compiled-executable
    282 $(RES64_FILE): windres/zstd.rc
    283 	$(RC) -o $@ -I ../lib -I windres -i $< -O coff -F pe-x86-64
    284 $(RES32_FILE): windres/zstd.rc
    285 	$(RC) -o $@ -I ../lib -I windres -i $< -O coff -F pe-i386
    286 endif
    287 
    288 .PHONY: clean
    289 clean:
    290 	$(RM) $(CLEAN) core *.o tmp* result* dictionary *.zst \
    291         *.gcda default*.profraw default.profdata have_zlib
    292 	$(RM) -r obj/*
    293 	@echo Cleaning completed
    294 
    295 MD2ROFF = ronn
    296 MD2ROFF_FLAGS = --roff --warnings --manual="User Commands" --organization="zstd $(ZSTD_VERSION)"
    297 
    298 zstd.1: zstd.1.md ../lib/zstd.h
    299 	cat $< | $(MD2ROFF) $(MD2ROFF_FLAGS) | sed -n '/^\.\\\".*/!p' > $@
    300 
    301 zstdgrep.1: zstdgrep.1.md ../lib/zstd.h
    302 	cat $< | $(MD2ROFF) $(MD2ROFF_FLAGS) | sed -n '/^\.\\\".*/!p' > $@
    303 
    304 zstdless.1: zstdless.1.md ../lib/zstd.h
    305 	cat $< | $(MD2ROFF) $(MD2ROFF_FLAGS) | sed -n '/^\.\\\".*/!p' > $@
    306 
    307 .PHONY: man
    308 man: zstd.1 zstdgrep.1 zstdless.1
    309 
    310 .PHONY: clean-man
    311 clean-man:
    312 	$(RM) zstd.1
    313 	$(RM) zstdgrep.1
    314 	$(RM) zstdless.1
    315 
    316 .PHONY: preview-man
    317 preview-man: clean-man man
    318 	man ./zstd.1
    319 	man ./zstdgrep.1
    320 	man ./zstdless.1
    321 
    322 
    323 # Generate .h dependencies automatically
    324 
    325 DEPFLAGS = -MT $@ -MMD -MP -MF
    326 
    327 $(BUILD_DIR)/%.o : %.c $(BUILD_DIR)/%.d | $(BUILD_DIR)
    328 	@echo CC $@
    329 	$(COMPILE.c) $(DEPFLAGS) $(BUILD_DIR)/$*.d $(OUTPUT_OPTION) $<
    330 
    331 $(BUILD_DIR)/%.o : %.S | $(BUILD_DIR)
    332 	@echo AS $@
    333 	$(COMPILE.S) $(OUTPUT_OPTION) $<
    334 
    335 MKDIR ?= mkdir
    336 $(BUILD_DIR): ; $(MKDIR) -p $@
    337 
    338 DEPFILES := $(ZSTD_OBJ:.o=.d)
    339 $(DEPFILES):
    340 
    341 include $(wildcard $(DEPFILES))
    342 
    343 
    344 
    345 #-----------------------------------------------------------------------------
    346 # make install is validated only for Linux, macOS, BSD, Hurd and Solaris targets
    347 #-----------------------------------------------------------------------------
    348 ifneq (,$(filter $(UNAME),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku AIX MSYS_NT CYGWIN_NT))
    349 
    350 HAVE_COLORNEVER = $(shell echo a | egrep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0)
    351 EGREP_OPTIONS ?=
    352 ifeq ($(HAVE_COLORNEVER), 1)
    353   EGREP_OPTIONS += --color=never
    354 endif
    355 EGREP = egrep $(EGREP_OPTIONS)
    356 AWK = awk
    357 
    358 # Print a two column output of targets and their description. To add a target description, put a
    359 # comment in the Makefile with the format "## <TARGET>: <DESCRIPTION>".  For example:
    360 #
    361 ## list: Print all targets and their descriptions (if provided)
    362 .PHONY: list
    363 list:
    364 	TARGETS=$$($(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null \
    365 		| $(AWK) -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' \
    366 		| $(EGREP) -v  -e '^[^[:alnum:]]' | sort); \
    367 	{ \
    368 	    printf "Target Name\tDescription\n"; \
    369 	    printf "%0.s-" {1..16}; printf "\t"; printf "%0.s-" {1..40}; printf "\n"; \
    370 	    for target in $$TARGETS; do \
    371 	        line=$$($(EGREP) "^##[[:space:]]+$$target:" $(lastword $(MAKEFILE_LIST))); \
    372 	        description=$$(echo $$line | $(AWK) '{i=index($$0,":"); print substr($$0,i+1)}' | xargs); \
    373 	        printf "$$target\t$$description\n"; \
    374 	    done \
    375 	} | column -t -s $$'\t'
    376 
    377 
    378 DESTDIR     ?=
    379 # directory variables : GNU conventions prefer lowercase
    380 # see https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html
    381 # support both lower and uppercase (BSD), use uppercase in script
    382 prefix      ?= /usr/local
    383 PREFIX      ?= $(prefix)
    384 exec_prefix ?= $(PREFIX)
    385 bindir      ?= $(exec_prefix)/bin
    386 BINDIR      ?= $(bindir)
    387 datarootdir ?= $(PREFIX)/share
    388 mandir      ?= $(datarootdir)/man
    389 man1dir     ?= $(mandir)/man1
    390 
    391 ifneq (,$(filter $(UNAME),OpenBSD FreeBSD NetBSD DragonFly SunOS))
    392   MANDIR  ?= $(PREFIX)/man
    393   MAN1DIR ?= $(MANDIR)/man1
    394 else
    395   MAN1DIR ?= $(man1dir)
    396 endif
    397 
    398 ifneq (,$(filter $(UNAME),SunOS))
    399   INSTALL ?= ginstall
    400 else
    401   INSTALL ?= install
    402 endif
    403 
    404 INSTALL_PROGRAM ?= $(INSTALL)
    405 INSTALL_SCRIPT  ?= $(INSTALL_PROGRAM)
    406 INSTALL_DATA    ?= $(INSTALL) -m 644
    407 INSTALL_MAN     ?= $(INSTALL_DATA)
    408 
    409 .PHONY: install
    410 install:
    411 	# generate zstd only if not already present
    412 	[ -e zstd ] || $(MAKE) zstd-release
    413 	[ -e $(DESTDIR)$(BINDIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR)/
    414 	[ -e $(DESTDIR)$(MAN1DIR) ] || $(INSTALL) -d -m 755 $(DESTDIR)$(MAN1DIR)/
    415 	@echo Installing binaries
    416 	$(INSTALL_PROGRAM) zstd$(EXT) $(DESTDIR)$(BINDIR)/zstd$(EXT)
    417 	ln -sf zstd$(EXT) $(DESTDIR)$(BINDIR)/zstdcat$(EXT)
    418 	ln -sf zstd$(EXT) $(DESTDIR)$(BINDIR)/unzstd$(EXT)
    419 	ln -sf zstd$(EXT) $(DESTDIR)$(BINDIR)/zstdmt$(EXT)
    420 	$(INSTALL_SCRIPT) zstdless $(DESTDIR)$(BINDIR)/zstdless
    421 	$(INSTALL_SCRIPT) zstdgrep $(DESTDIR)$(BINDIR)/zstdgrep
    422 	@echo Installing man pages
    423 	$(INSTALL_MAN) zstd.1 $(DESTDIR)$(MAN1DIR)/zstd.1
    424 	ln -sf zstd.1 $(DESTDIR)$(MAN1DIR)/zstdcat.1
    425 	ln -sf zstd.1 $(DESTDIR)$(MAN1DIR)/unzstd.1
    426 	$(INSTALL_MAN) zstdgrep.1 $(DESTDIR)$(MAN1DIR)/zstdgrep.1
    427 	$(INSTALL_MAN) zstdless.1 $(DESTDIR)$(MAN1DIR)/zstdless.1
    428 	@echo zstd installation completed
    429 
    430 .PHONY: uninstall
    431 uninstall:
    432 	$(RM) $(DESTDIR)$(BINDIR)/zstdgrep
    433 	$(RM) $(DESTDIR)$(BINDIR)/zstdless
    434 	$(RM) $(DESTDIR)$(BINDIR)/zstdcat
    435 	$(RM) $(DESTDIR)$(BINDIR)/unzstd
    436 	$(RM) $(DESTDIR)$(BINDIR)/zstdmt
    437 	$(RM) $(DESTDIR)$(BINDIR)/zstd
    438 	$(RM) $(DESTDIR)$(MAN1DIR)/zstdless.1
    439 	$(RM) $(DESTDIR)$(MAN1DIR)/zstdgrep.1
    440 	$(RM) $(DESTDIR)$(MAN1DIR)/zstdcat.1
    441 	$(RM) $(DESTDIR)$(MAN1DIR)/unzstd.1
    442 	$(RM) $(DESTDIR)$(MAN1DIR)/zstd.1
    443 	@echo zstd programs successfully uninstalled
    444 
    445 endif
    446