zstd/tests/Makefile
Yann Collet 0071e8348f restored assert() in paramgrill
assert() in paramgrill are not in the benchmark path.
They should remain active, as they don't impact measurements, and their runtime is insignificant.
2018-08-27 17:52:04 -07:00

471 lines
16 KiB
Makefile

# ################################################################
# Copyright (c) 2015-present, 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).
# ################################################################
# datagen : Synthetic and parametrable data generator, for tests
# fullbench : Precisely measure speed for each zstd inner functions
# fullbench32: Same as fullbench, but forced to compile in 32-bits mode
# fuzzer : Test tool, to check zstd integrity on target platform
# fuzzer32: Same as fuzzer, but forced to compile in 32-bits mode
# paramgrill : parameter tester for zstd
# test-zstd-speed.py : script for testing zstd speed difference between commits
# versionsTest : compatibility test between zstd versions stored on Github (v0.1+)
# zstreamtest : Fuzzer test tool for zstd streaming API
# zstreamtest32: Same as zstreamtest, but forced to compile in 32-bits mode
# ##########################################################################
ZSTDDIR = ../lib
PRGDIR = ../programs
PYTHON ?= python3
TESTARTEFACT := versionsTest
DEBUGLEVEL ?= 1
DEBUGFLAGS = -g -DDEBUGLEVEL=$(DEBUGLEVEL)
CPPFLAGS += -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress \
-I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(PRGDIR)
ifeq ($(OS),Windows_NT) # MinGW assumed
CPPFLAGS += -D__USE_MINGW_ANSI_STDIO # compatibility with %zu formatting
endif
CFLAGS ?= -O3
CFLAGS += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
-Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
-Wstrict-prototypes -Wundef -Wformat-security \
-Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
-Wredundant-decls
CFLAGS += $(DEBUGFLAGS) $(MOREFLAGS)
FLAGS = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS)
ZSTDCOMMON_FILES := $(ZSTDDIR)/common/*.c
ZSTDCOMP_FILES := $(ZSTDDIR)/compress/*.c
ZSTDDECOMP_FILES := $(ZSTDDIR)/decompress/*.c
ZSTD_FILES := $(ZSTDDECOMP_FILES) $(ZSTDCOMMON_FILES) $(ZSTDCOMP_FILES)
ZBUFF_FILES := $(ZSTDDIR)/deprecated/*.c
ZDICT_FILES := $(ZSTDDIR)/dictBuilder/*.c
ZSTD_F1 := $(wildcard $(ZSTD_FILES))
ZSTD_OBJ1 := $(subst $(ZSTDDIR)/common/,zstdm_,$(ZSTD_F1))
ZSTD_OBJ2 := $(subst $(ZSTDDIR)/compress/,zstdc_,$(ZSTD_OBJ1))
ZSTD_OBJ3 := $(subst $(ZSTDDIR)/decompress/,zstdd_,$(ZSTD_OBJ2))
ZSTD_OBJECTS := $(ZSTD_OBJ3:.c=.o)
ZSTDMT_OBJ1 := $(subst $(ZSTDDIR)/common/,zstdmt_m_,$(ZSTD_F1))
ZSTDMT_OBJ2 := $(subst $(ZSTDDIR)/compress/,zstdmt_c_,$(ZSTDMT_OBJ1))
ZSTDMT_OBJ3 := $(subst $(ZSTDDIR)/decompress/,zstdmt_d_,$(ZSTDMT_OBJ2))
ZSTDMT_OBJECTS := $(ZSTDMT_OBJ3:.c=.o)
# Define *.exe as extension for Windows systems
ifneq (,$(filter Windows%,$(OS)))
EXT =.exe
MULTITHREAD_CPP = -DZSTD_MULTITHREAD
MULTITHREAD_LD =
else
EXT =
MULTITHREAD_CPP = -DZSTD_MULTITHREAD
MULTITHREAD_LD = -pthread
endif
MULTITHREAD = $(MULTITHREAD_CPP) $(MULTITHREAD_LD)
VOID = /dev/null
ZSTREAM_TESTTIME ?= -T90s
FUZZERTEST ?= -T200s
ZSTDRTTEST = --test-large-data
DECODECORPUS_TESTTIME ?= -T30
.PHONY: default all all32 allnothread dll clean test test32 test-all versionsTest
default: fullbench
@echo $(ZSTDMT_OBJECTS)
all: fullbench fuzzer zstreamtest paramgrill datagen decodecorpus roundTripCrash
all32: fullbench32 fuzzer32 zstreamtest32
allnothread: MULTITHREAD_CPP=
allnothread: MULTITHREAD_LD=
allnothread: fullbench fuzzer paramgrill datagen decodecorpus
dll: fuzzer-dll zstreamtest-dll
PHONY: zstd zstd32 zstd-nolegacy # must be phony, only external makefile knows how to build them, or if they need an update
zstd zstd32 zstd-nolegacy:
$(MAKE) -C $(PRGDIR) $@ MOREFLAGS+="$(DEBUGFLAGS)"
gzstd:
$(MAKE) -C $(PRGDIR) zstd HAVE_ZLIB=1 MOREFLAGS+="$(DEBUGFLAGS)"
.PHONY: zstd-dll
zstd-dll :
$(MAKE) -C $(ZSTDDIR) libzstd
.PHONY: zstd-staticLib
zstd-staticLib :
$(MAKE) -C $(ZSTDDIR) libzstd.a
zstdm_%.o : $(ZSTDDIR)/common/%.c
$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
zstdc_%.o : $(ZSTDDIR)/compress/%.c
$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
zstdd_%.o : $(ZSTDDIR)/decompress/%.c
$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
zstdmt%.o : CPPFLAGS += $(MULTITHREAD_CPP)
zstdmt_m_%.o : $(ZSTDDIR)/common/%.c
$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
zstdmt_c_%.o : $(ZSTDDIR)/compress/%.c
$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
zstdmt_d_%.o : $(ZSTDDIR)/decompress/%.c
$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@
fullbench32: CPPFLAGS += -m32
fullbench fullbench32 : CPPFLAGS += $(MULTITHREAD_CPP)
fullbench fullbench32 : LDFLAGS += $(MULTITHREAD_LD)
fullbench fullbench32 : DEBUGFLAGS = -DNDEBUG # turn off assert() for speed measurements
fullbench fullbench32 : $(ZSTD_FILES)
fullbench fullbench32 : $(PRGDIR)/datagen.c $(PRGDIR)/bench.c fullbench.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
fullbench-lib : zstd-staticLib
fullbench-lib : $(PRGDIR)/datagen.c fullbench.c
$(CC) $(FLAGS) $(filter %.c,$^) -o $@$(EXT) $(ZSTDDIR)/libzstd.a
# note : broken : requires unavailable symbols
fullbench-dll : zstd-dll
fullbench-dll : LDFLAGS+= -L$(ZSTDDIR) -lzstd
fullbench-dll: $(PRGDIR)/datagen.c fullbench.c
# $(CC) $(FLAGS) $(filter %.c,$^) -o $@$(EXT) -DZSTD_DLL_IMPORT=1 $(ZSTDDIR)/dll/libzstd.dll
$(CC) $(FLAGS) $(filter %.c,$^) -o $@$(EXT)
fuzzer : CPPFLAGS += $(MULTITHREAD_CPP)
fuzzer : LDFLAGS += $(MULTITHREAD_LD)
fuzzer32: CFLAGS += -m32
fuzzer : $(ZSTDMT_OBJECTS)
fuzzer32: $(ZSTD_FILES)
fuzzer fuzzer32 : $(ZDICT_FILES) $(PRGDIR)/datagen.c fuzzer.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
fuzzer-dll : zstd-dll
fuzzer-dll : LDFLAGS+= -L$(ZSTDDIR) -lzstd
fuzzer-dll : $(ZSTDDIR)/common/xxhash.c $(PRGDIR)/datagen.c fuzzer.c
$(CC) $(CPPFLAGS) $(CFLAGS) $(filter %.c,$^) $(LDFLAGS) -o $@$(EXT)
zbufftest : CPPFLAGS += -I$(ZSTDDIR)/deprecated
zbufftest : CFLAGS += -Wno-deprecated-declarations # required to silence deprecation warnings
zbufftest : $(ZSTD_OBJECTS) $(ZBUFF_FILES) $(PRGDIR)/datagen.c zbufftest.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
zbufftest32 : CPPFLAGS += -I$(ZSTDDIR)/deprecated
zbufftest32 : CFLAGS += -Wno-deprecated-declarations -m32
zbufftest32 : $(ZSTD_FILES) $(ZBUFF_FILES) $(PRGDIR)/datagen.c zbufftest.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
zbufftest-dll : zstd-dll
zbufftest-dll : CPPFLAGS += -I$(ZSTDDIR)/deprecated
zbufftest-dll : CFLAGS += -Wno-deprecated-declarations # required to silence deprecation warnings
zbufftest-dll : LDFLAGS+= -L$(ZSTDDIR) -lzstd
zbufftest-dll : $(ZSTDDIR)/common/xxhash.c $(PRGDIR)/datagen.c zbufftest.c
$(CC) $(CPPFLAGS) $(CFLAGS) $(filter %.c,$^) $(LDFLAGS) -o $@$(EXT)
ZSTREAM_LOCAL_FILES := $(PRGDIR)/datagen.c seqgen.c zstreamtest.c
ZSTREAM_PROPER_FILES := $(ZDICT_FILES) $(ZSTREAM_LOCAL_FILES)
ZSTREAMFILES := $(ZSTD_FILES) $(ZSTREAM_PROPER_FILES)
zstreamtest32 : CFLAGS += -m32
zstreamtest zstreamtest32 : CPPFLAGS += $(MULTITHREAD_CPP)
zstreamtest zstreamtest32 : LDFLAGS += $(MULTITHREAD_LD)
zstreamtest : $(ZSTDMT_OBJECTS) $(ZSTREAM_PROPER_FILES)
zstreamtest32 : $(ZSTREAMFILES)
zstreamtest zstreamtest32 :
$(CC) $(FLAGS) $^ -o $@$(EXT)
zstreamtest_asan : CFLAGS += -fsanitize=address
zstreamtest_asan : $(ZSTREAMFILES)
$(CC) $(FLAGS) $(MULTITHREAD) $^ -o $@$(EXT)
zstreamtest_tsan : CFLAGS += -fsanitize=thread
zstreamtest_tsan : $(ZSTREAMFILES)
$(CC) $(FLAGS) $(MULTITHREAD) $^ -o $@$(EXT)
zstreamtest-dll : zstd-dll
zstreamtest-dll : LDFLAGS+= -L$(ZSTDDIR) -lzstd
zstreamtest-dll : $(ZSTDDIR)/common/xxhash.c # xxh symbols not exposed from dll
zstreamtest-dll : $(ZSTREAM_LOCAL_FILES)
$(CC) $(CPPFLAGS) $(CFLAGS) $(filter %.c,$^) $(LDFLAGS) -o $@$(EXT)
paramgrill : DEBUGFLAGS = # turn off assert() by default for speed measurements
paramgrill : $(ZSTD_FILES) $(PRGDIR)/bench.c $(PRGDIR)/datagen.c paramgrill.c
$(CC) $(FLAGS) $^ -lm -o $@$(EXT)
datagen : $(PRGDIR)/datagen.c datagencli.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
roundTripCrash : $(ZSTD_OBJECTS) roundTripCrash.c
$(CC) $(FLAGS) $(MULTITHREAD) $^ -o $@$(EXT)
longmatch : $(ZSTD_OBJECTS) longmatch.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
invalidDictionaries : $(ZSTD_OBJECTS) invalidDictionaries.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
legacy : CPPFLAGS += -I$(ZSTDDIR)/legacy -DZSTD_LEGACY_SUPPORT=4
legacy : $(ZSTD_FILES) $(wildcard $(ZSTDDIR)/legacy/*.c) legacy.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
decodecorpus : $(filter-out zstdc_zstd_compress.o, $(ZSTD_OBJECTS)) $(ZDICT_FILES) decodecorpus.c
$(CC) $(FLAGS) $^ -o $@$(EXT) -lm
symbols : symbols.c zstd-dll
ifneq (,$(filter Windows%,$(OS)))
cp $(ZSTDDIR)/dll/libzstd.dll .
$(CC) $(FLAGS) $< -o $@$(EXT) -DZSTD_DLL_IMPORT=1 libzstd.dll
else
$(CC) $(FLAGS) $< -o $@$(EXT) -Wl,-rpath=$(ZSTDDIR) $(ZSTDDIR)/libzstd.so # broken on Mac
endif
poolTests : poolTests.c $(ZSTDDIR)/common/pool.c $(ZSTDDIR)/common/threading.c $(ZSTDDIR)/common/zstd_common.c $(ZSTDDIR)/common/error_private.c
$(CC) $(FLAGS) $(MULTITHREAD) $^ -o $@$(EXT)
.PHONY: versionsTest
versionsTest: clean
$(PYTHON) test-zstd-versions.py
checkTag: checkTag.c $(ZSTDDIR)/zstd.h
$(CC) $(FLAGS) $< -o $@$(EXT)
clean:
$(MAKE) -C $(ZSTDDIR) clean
$(MAKE) -C $(PRGDIR) clean
@$(RM) -fR $(TESTARTEFACT)
@$(RM) -f core *.o tmp* result* *.gcda dictionary *.zst \
$(PRGDIR)/zstd$(EXT) $(PRGDIR)/zstd32$(EXT) \
fullbench$(EXT) fullbench32$(EXT) \
fullbench-lib$(EXT) fullbench-dll$(EXT) \
fuzzer$(EXT) fuzzer32$(EXT) zbufftest$(EXT) zbufftest32$(EXT) \
fuzzer-dll$(EXT) zstreamtest-dll$(EXT) zbufftest-dll$(EXT) \
zstreamtest$(EXT) zstreamtest32$(EXT) \
datagen$(EXT) paramgrill$(EXT) roundTripCrash$(EXT) longmatch$(EXT) \
symbols$(EXT) invalidDictionaries$(EXT) legacy$(EXT) poolTests$(EXT) \
decodecorpus$(EXT) checkTag$(EXT)
@echo Cleaning completed
#----------------------------------------------------------------------------------
#make valgrindTest is validated only for Linux, macOS, BSD, Hurd and Solaris targets
#----------------------------------------------------------------------------------
ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS))
HOST_OS = POSIX
valgrindTest: VALGRIND = valgrind --leak-check=full --show-leak-kinds=all --error-exitcode=1
valgrindTest: zstd datagen fuzzer fullbench
@echo "\n ---- valgrind tests : memory analyzer ----"
$(VALGRIND) ./datagen -g50M > $(VOID)
$(VALGRIND) $(PRGDIR)/zstd ; if [ $$? -eq 0 ] ; then echo "zstd without argument should have failed"; false; fi
./datagen -g80 | $(VALGRIND) $(PRGDIR)/zstd - -c > $(VOID)
./datagen -g16KB | $(VALGRIND) $(PRGDIR)/zstd -vf - -c > $(VOID)
./datagen -g2930KB | $(VALGRIND) $(PRGDIR)/zstd -5 -vf - -o tmp
$(VALGRIND) $(PRGDIR)/zstd -vdf tmp -c > $(VOID)
./datagen -g64MB | $(VALGRIND) $(PRGDIR)/zstd -vf - -c > $(VOID)
@rm tmp
$(VALGRIND) ./fuzzer -T1mn -t1
$(VALGRIND) ./fullbench -i1
endif
ifneq (,$(filter MSYS%,$(shell uname)))
HOST_OS = MSYS
endif
#-----------------------------------------------------------------------------
# make tests validated only for below targets
#-----------------------------------------------------------------------------
ifneq (,$(filter $(HOST_OS),MSYS POSIX))
DIFF:=diff
ifneq (,$(filter $(shell uname),SunOS))
DIFF:=gdiff
endif
.PHONY: list
list:
@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$' | xargs
.PHONY: shortest
shortest: ZSTDRTTEST=
shortest: test-zstd
.PHONY: fuzztest
fuzztest: test-fuzzer test-zstream test-decodecorpus
.PHONY: test
test: test-zstd test-fullbench test-fuzzer test-zstream test-invalidDictionaries test-legacy test-decodecorpus
ifeq ($(QEMU_SYS),)
test: test-pool
endif
test32: test-zstd32 test-fullbench32 test-fuzzer32 test-zstream32
test-all: test test32 valgrindTest test-decodecorpus-cli
.PHONY: test-zstd test-zstd32 test-zstd-nolegacy
test-zstd: ZSTD = $(PRGDIR)/zstd
test-zstd: zstd
test-zstd32: ZSTD = $(PRGDIR)/zstd32
test-zstd32: zstd32
test-zstd-nolegacy: ZSTD = $(PRGDIR)/zstd-nolegacy
test-zstd-nolegacy: zstd-nolegacy
test-zstd test-zstd32 test-zstd-nolegacy: datagen
file $(ZSTD)
ZSTD="$(QEMU_SYS) $(ZSTD)" ./playTests.sh $(ZSTDRTTEST)
test-gzstd: gzstd
$(PRGDIR)/zstd -f README.md test-zstd-speed.py
gzip -f README.md test-zstd-speed.py
cat README.md.zst test-zstd-speed.py.gz >zstd_gz.zst
cat README.md.gz test-zstd-speed.py.zst >gz_zstd.gz
$(PRGDIR)/zstd -df README.md.gz -o README2.md
$(PRGDIR)/zstd -df README.md.gz test-zstd-speed.py.gz
$(PRGDIR)/zstd -df zstd_gz.zst gz_zstd.gz
$(DIFF) -q zstd_gz gz_zstd
echo Hello World ZSTD | $(PRGDIR)/zstd -c - >hello.zst
echo Hello World GZIP | gzip -c - >hello.gz
echo Hello World TEXT >hello.txt
cat hello.zst hello.gz hello.txt >hello_zst_gz_txt.gz
$(PRGDIR)/zstd -dcf hello.*
$(PRGDIR)/zstd -dcf - <hello_zst_gz_txt.gz
$(RM) *.gz *.zst README2.md gz_zstd zstd_gz hello.txt
test-fullbench: fullbench datagen
$(QEMU_SYS) ./fullbench -i1
$(QEMU_SYS) ./fullbench -i1 -P0
test-fullbench32: fullbench32 datagen
$(QEMU_SYS) ./fullbench32 -i1
$(QEMU_SYS) ./fullbench32 -i1 -P0
test-fuzzer: fuzzer
$(QEMU_SYS) ./fuzzer -v $(FUZZERTEST) $(FUZZER_FLAGS)
test-fuzzer-stackmode: MOREFLAGS += -DZSTD_HEAPMODE=0
test-fuzzer-stackmode: test-fuzzer
test-fuzzer32: fuzzer32
$(QEMU_SYS) ./fuzzer32 -v $(FUZZERTEST) $(FUZZER_FLAGS)
test-zbuff: zbufftest
$(QEMU_SYS) ./zbufftest $(ZSTREAM_TESTTIME)
test-zbuff32: zbufftest32
$(QEMU_SYS) ./zbufftest32 $(ZSTREAM_TESTTIME)
test-zstream: zstreamtest
$(QEMU_SYS) ./zstreamtest -v $(ZSTREAM_TESTTIME) $(FUZZER_FLAGS)
$(QEMU_SYS) ./zstreamtest --mt -t1 $(ZSTREAM_TESTTIME) $(FUZZER_FLAGS)
$(QEMU_SYS) ./zstreamtest --newapi -t1 $(ZSTREAM_TESTTIME) $(FUZZER_FLAGS)
test-zstream32: zstreamtest32
$(QEMU_SYS) ./zstreamtest32 $(ZSTREAM_TESTTIME) $(FUZZER_FLAGS)
test-longmatch: longmatch
$(QEMU_SYS) ./longmatch
test-invalidDictionaries: invalidDictionaries
$(QEMU_SYS) ./invalidDictionaries
test-symbols: symbols
$(QEMU_SYS) ./symbols
test-legacy: legacy
$(QEMU_SYS) ./legacy
test-decodecorpus: decodecorpus
$(QEMU_SYS) ./decodecorpus -t $(DECODECORPUS_TESTTIME)
test-decodecorpus-cli: decodecorpus
@echo "\n ---- decodecorpus basic cli tests ----"
@mkdir testdir
./decodecorpus -n5 -otestdir -ptestdir
@cd testdir && \
$(ZSTD) -d z000000.zst -o tmp0 && \
$(ZSTD) -d z000001.zst -o tmp1 && \
$(ZSTD) -d z000002.zst -o tmp2 && \
$(ZSTD) -d z000003.zst -o tmp3 && \
$(ZSTD) -d z000004.zst -o tmp4 && \
diff z000000 tmp0 && \
diff z000001 tmp1 && \
diff z000002 tmp2 && \
diff z000003 tmp3 && \
diff z000004 tmp4 && \
rm ./* && \
cd ..
@echo "\n ---- decodecorpus dictionary cli tests ----"
./decodecorpus -n5 -otestdir -ptestdir --use-dict=1MB
@cd testdir && \
$(ZSTD) -d z000000.zst -D dictionary -o tmp0 && \
$(ZSTD) -d z000001.zst -D dictionary -o tmp1 && \
$(ZSTD) -d z000002.zst -D dictionary -o tmp2 && \
$(ZSTD) -d z000003.zst -D dictionary -o tmp3 && \
$(ZSTD) -d z000004.zst -D dictionary -o tmp4 && \
diff z000000 tmp0 && \
diff z000001 tmp1 && \
diff z000002 tmp2 && \
diff z000003 tmp3 && \
diff z000004 tmp4 && \
cd ..
@rm -rf testdir
test-pool: poolTests
$(QEMU_SYS) ./poolTests
test-lz4: ZSTD = LD_LIBRARY_PATH=/usr/local/lib $(PRGDIR)/zstd
test-lz4: ZSTD_LZ4 = LD_LIBRARY_PATH=/usr/local/lib ./lz4
test-lz4: ZSTD_UNLZ4 = LD_LIBRARY_PATH=/usr/local/lib ./unlz4
test-lz4: zstd decodecorpus datagen
[ -f lz4 ] || ln -s $(PRGDIR)/zstd lz4
[ -f unlz4 ] || ln -s $(PRGDIR)/zstd unlz4
./decodecorpus -ptmp
# lz4 -> zstd
lz4 < tmp | \
$(ZSTD) -d | \
cmp - tmp
lz4 < tmp | \
$(ZSTD_UNLZ4) | \
cmp - tmp
# zstd -> lz4
$(ZSTD) --format=lz4 < tmp | \
lz4 -d | \
cmp - tmp
$(ZSTD_LZ4) < tmp | \
lz4 -d | \
cmp - tmp
# zstd -> zstd
$(ZSTD) --format=lz4 < tmp | \
$(ZSTD) -d | \
cmp - tmp
# zstd -> zstd
$(ZSTD) < tmp | \
$(ZSTD) -d | \
cmp - tmp
./datagen -g384KB | $(ZSTD) --format=lz4 | $(ZSTD) -d > /dev/null
rm tmp lz4 unlz4
endif