# ##########################################################################
# LZ4 programs - Makefile
# Copyright (C) Yann Collet 2011-2020
#
# GPL v2 License
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# You can contact the author at :
#  - LZ4 homepage : http://www.lz4.org
#  - LZ4 source repository : https://github.com/lz4/lz4
# ##########################################################################
# fuzzer  : Test tool, to check lz4 integrity on target platform
# frametest  : Test tool, to check lz4frame integrity on target platform
# fullbench  : Precisely measure speed for each LZ4 function variant
# datagen : generates synthetic data samples for tests & benchmarks
# ##########################################################################

LZ4DIR  := ../lib
PRGDIR  := ../programs
TESTDIR := versionsTest
PYTHON  ?= python3

DEBUGLEVEL?= 1
DEBUGFLAGS = -g -DLZ4_DEBUG=$(DEBUGLEVEL)
CFLAGS  ?= -O3 # can select custom optimization flags. Example : CFLAGS=-O2 make
CFLAGS  += -Wall -Wextra -Wundef -Wcast-qual -Wcast-align -Wshadow \
           -Wswitch-enum -Wdeclaration-after-statement -Wstrict-prototypes \
           -Wpointer-arith -Wstrict-aliasing=1
CFLAGS  += $(DEBUGFLAGS) $(MOREFLAGS)
CPPFLAGS+= -I$(LZ4DIR) -I$(PRGDIR) -DXXH_NAMESPACE=LZ4_
FLAGS    = $(CFLAGS) $(CPPFLAGS) $(LDFLAGS)

include ../Makefile.inc

LZ4 := $(PRGDIR)/lz4$(EXT)


# Default test parameters
TEST_FILES   := COPYING
FUZZER_TIME  := -T90s
NB_LOOPS     ?= -i1

.PHONY: default
default: all

all: fullbench fuzzer frametest roundTripTest datagen checkFrame decompress-partial

all32: CFLAGS+=-m32
all32: all

lz4:
	$(MAKE) -C $(PRGDIR) $@ CFLAGS="$(CFLAGS)"

lib liblz4.pc:
	$(MAKE) -C $(LZ4DIR) $@ CFLAGS="$(CFLAGS)"

lz4c unlz4 lz4cat: lz4
	$(LN_SF) $(LZ4) $(PRGDIR)/$@

lz4c32:   # create a 32-bits version for 32/64 interop tests
	$(MAKE) -C $(PRGDIR) $@ CFLAGS="-m32 $(CFLAGS)"

%.o : $(LZ4DIR)/%.c $(LZ4DIR)/%.h
	$(CC) -c $(CFLAGS) $(CPPFLAGS) $< -o $@

fullbench : DEBUGLEVEL=0
fullbench : lz4.o lz4hc.o lz4frame.o xxhash.o fullbench.c
	$(CC) $(FLAGS) $^ -o $@$(EXT)

$(LZ4DIR)/liblz4.a:
	$(MAKE) -C $(LZ4DIR) liblz4.a

fullbench-lib: fullbench.c $(LZ4DIR)/liblz4.a
	$(CC) $(FLAGS) $^ -o $@$(EXT)

fullbench-dll: fullbench.c $(LZ4DIR)/xxhash.c
	$(MAKE) -C $(LZ4DIR) liblz4
	$(CC) $(FLAGS) $^ -o $@$(EXT) -DLZ4_DLL_IMPORT=1 $(LZ4DIR)/dll/$(LIBLZ4).dll

# test LZ4_USER_MEMORY_FUNCTIONS
fullbench-wmalloc: CPPFLAGS += -DLZ4_USER_MEMORY_FUNCTIONS
fullbench-wmalloc: fullbench

fuzzer  : lz4.o lz4hc.o xxhash.o fuzzer.c
	$(CC) $(FLAGS) $^ -o $@$(EXT)

frametest: lz4frame.o lz4.o lz4hc.o xxhash.o frametest.c
	$(CC) $(FLAGS) $^ -o $@$(EXT)

roundTripTest : lz4.o lz4hc.o xxhash.o roundTripTest.c
	$(CC) $(FLAGS) $^ -o $@$(EXT)

datagen : $(PRGDIR)/datagen.c datagencli.c
	$(CC) $(FLAGS) -I$(PRGDIR) $^ -o $@$(EXT)

checkFrame : lz4frame.o lz4.o lz4hc.o xxhash.o checkFrame.c
	$(CC) $(FLAGS) $^ -o $@$(EXT)

decompress-partial: lz4.o decompress-partial.c
	$(CC) $(FLAGS) $^ -o $@$(EXT)

decompress-partial-usingDict: lz4.o decompress-partial-usingDict.c
	$(CC) $(FLAGS) $^ -o $@$(EXT)

.PHONY: clean
clean:
	@$(MAKE) -C $(LZ4DIR) $@ > $(VOID)
	@$(MAKE) -C $(PRGDIR) $@ > $(VOID)
	@$(RM) -rf core *.o *.test tmp* \
        fullbench-dll$(EXT) fullbench-lib$(EXT) \
        fullbench$(EXT) fullbench32$(EXT) \
        fuzzer$(EXT) fuzzer32$(EXT) \
        frametest$(EXT) frametest32$(EXT) \
        fasttest$(EXT) roundTripTest$(EXT) \
        datagen$(EXT) checkTag$(EXT) \
        frameTest$(EXT) decompress-partial$(EXT) \
        abiTest$(EXT) freestanding$(EXT) \
        lz4_all.c
	@$(RM) -rf $(TESTDIR)
	@echo Cleaning completed

.PHONY: versionsTest
versionsTest:
	$(PYTHON) test-lz4-versions.py

.PHONY: listTest
listTest: lz4
	QEMU_SYS=$(QEMU_SYS) $(PYTHON) test-lz4-list.py

abiTest: LDLIBS += -llz4

.PHONY: abiTests
abiTests:
	$(PYTHON) test-lz4-abi.py

checkTag: checkTag.c $(LZ4DIR)/lz4.h
	$(CC) $(FLAGS) $< -o $@$(EXT)

#-----------------------------------------------------------------------------
# validated only for Linux, OSX, BSD, Hurd and Solaris targets
#-----------------------------------------------------------------------------
ifeq ($(POSIX_ENV),Yes)

MD5:=md5sum
ifneq (,$(filter $(shell $(UNAME)), Darwin ))
MD5:=md5 -r
endif

# note : we should probably settle on a single compare utility
CMP:=cmp
GREP:=grep
DIFF:=diff
ifneq (,$(filter $(shell $(UNAME)),SunOS))
DIFF:=gdiff
endif

CAT:=cat
DD:=dd
DATAGEN:=./datagen
PATH:=../programs:$(shell pwd):$(PATH)

.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: check
check: test-lz4-essentials

.PHONY: test
test: test-lz4 test-lz4c test-frametest test-fullbench test-fuzzer test-amalgamation listTest test-decompress-partial

.PHONY: test32
test32: CFLAGS+=-m32
test32: test

.PHONY: test-amalgamation
test-amalgamation: lz4_all.o

lz4_all.c: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c $(LZ4DIR)/lz4frame.c
	$(CAT) $^ > $@

.PHONY: test-install
test-install: lz4 lib liblz4.pc
	lz4_root=.. ./test_install.sh

.PHONY: test-compile-with-lz4-memory-usage
test-compile-with-lz4-memory-usage:
	$(MAKE) clean; CFLAGS=-O0 CPPFLAGS=-D'LZ4_MEMORY_USAGE=LZ4_MEMORY_USAGE_MIN' $(MAKE) all
	$(MAKE) clean; CFLAGS=-O0 CPPFLAGS=-D'LZ4_MEMORY_USAGE=LZ4_MEMORY_USAGE_MAX' $(MAKE) all

.PHONY: test-lz4-sparse
# Rules regarding Temporary test files :
# Each test must use its own unique set of names during execution.
# Each temporary test file must begin by an FPREFIX.
# Each FPREFIX must be unique for each test.
# All FPREFIX must start with `tmp`, for `make clean`
# All tests must clean their temporary test files on successful completion,
# and only their test files : do not employ sweeping statements such `rm tmp*` or `rm *.lz4`
test-lz4-sparse: lz4 datagen
	@echo "\n ---- test sparse file support ----"
	./test-lz4-sparse.sh

test-lz4-contentSize: lz4 datagen
	@echo "\n ---- test original size support ----"
	./test-lz4-contentSize.sh

test-lz4-frame-concatenation: lz4 datagen
	@echo "\n ---- test frame concatenation ----"
	./test-lz4-frame-concatenation.sh

test-lz4-multiple: lz4 datagen
	@echo "\n ---- test multiple files ----"
	./test-lz4-multiple.sh

test-lz4-multiple-legacy: lz4 datagen
	@echo "\n ---- test multiple files (Legacy format) ----"
	./test-lz4-multiple-legacy.sh

test-lz4-skippable: lz4
	@echo "\n ---- test lz4 with skippable frames ----"
	./test-lz4-skippable.sh

test-lz4-basic: lz4 datagen unlz4 lz4cat
	@echo "\n ---- test lz4 basic compression/decompression ----"
	./test-lz4-basic.sh

test-lz4-dict: lz4 datagen
	@echo "\n ---- test lz4 compression/decompression with dictionary ----"
	./test-lz4-dict.sh

test-lz4hc-hugefile: lz4 datagen
	@echo "\n ---- test HC compression/decompression of huge files ----"
	./test-lz4hc-hugefile.sh

test-lz4-fast-hugefile: lz4 datagen
	@echo "\n ---- test huge files compression/decompression ----"
	./test-lz4-fast-hugefile.sh

test-lz4-hugefile: test-lz4-fast-hugefile test-lz4hc-hugefile

test-lz4-testmode: lz4 datagen
	@echo "\n ---- bench mode ----"
	./test-lz4-testmode.sh

test-lz4-opt-parser: lz4 datagen
	@echo "\n ---- test opt-parser ----"
	./test-lz4-opt-parser.sh

test-lz4-essentials : lz4 datagen test-lz4-basic test-lz4-multiple test-lz4-multiple-legacy \
                      test-lz4-frame-concatenation test-lz4-testmode \
                      test-lz4-contentSize test-lz4-dict

test-lz4: lz4 datagen test-lz4-essentials test-lz4-opt-parser \
          test-lz4-sparse test-lz4-hugefile test-lz4-dict \
          test-lz4-skippable

test-lz4c: LZ4C = $(LZ4)c
test-lz4c: lz4c datagen
	@echo "\n ---- test lz4c variant ----"
	$(DATAGEN) -g256MB | $(LZ4C) -l -v | $(LZ4C) -t

test-lz4c32: CFLAGS+=-m32
test-lz4c32: test-lz4

test-interop-32-64: lz4 lz4c32 datagen
	@echo "\n ---- test interoperability 32-bits -vs- 64 bits ----"
	$(DATAGEN) -g16KB  | $(LZ4)c32 -9     | $(LZ4)    -t
	$(DATAGEN) -P10    | $(LZ4)    -9B4   | $(LZ4)c32 -t
	$(DATAGEN)         | $(LZ4)c32        | $(LZ4)    -t
	$(DATAGEN) -g1M    | $(LZ4)    -3B5   | $(LZ4)c32 -t
	$(DATAGEN) -g256MB | $(LZ4)c32 -vqB4D | $(LZ4)    -qt
	$(DATAGEN) -g1G -P90 | $(LZ4)         | $(LZ4)c32 -t
	$(DATAGEN) -g6GB   | $(LZ4)c32 -vq9BD | $(LZ4)    -qt

test-lz4c32-basic: lz4c32 datagen
	@echo "\n ---- test lz4c32 32-bits version ----"
	$(DATAGEN) -g16KB  | $(LZ4)c32 -9     | $(LZ4)c32 -t
	$(DATAGEN)         | $(LZ4)c32        | $(LZ4)c32 -t
	$(DATAGEN) -g256MB | $(LZ4)c32 -vqB4D | $(LZ4)c32 -qt
	$(DATAGEN) -g6GB   | $(LZ4)c32 -vqB5D | $(LZ4)c32 -qt

test-platform:
	@echo "\n ---- test lz4 $(QEMU_SYS) platform ----"
	$(QEMU_SYS) $(DATAGEN) -g16KB  | $(QEMU_SYS) $(LZ4) -9     | $(QEMU_SYS) $(LZ4) -t
	$(QEMU_SYS) $(DATAGEN)         | $(QEMU_SYS) $(LZ4)        | $(QEMU_SYS) $(LZ4) -t
	$(QEMU_SYS) $(DATAGEN) -g256MB | $(QEMU_SYS) $(LZ4) -vqB4D | $(QEMU_SYS) $(LZ4) -qt
ifneq ($(QEMU_SYS),qemu-arm-static)
	$(QEMU_SYS) $(DATAGEN) -g3GB   | $(QEMU_SYS) $(LZ4) -vqB5D | $(QEMU_SYS) $(LZ4) -qt
endif

test-fullbench: fullbench
	./fullbench --no-prompt $(NB_LOOPS) $(TEST_FILES)

test-fullbench32: CFLAGS += -m32
test-fullbench32: test-fullbench

test-fuzzer: fuzzer
	./fuzzer $(FUZZER_TIME)

test-fuzzer32: CFLAGS += -m32
test-fuzzer32: test-fuzzer

test-frametest: frametest
	./frametest -v $(FUZZER_TIME)

test-frametest32: CFLAGS += -m32
test-frametest32: test-frametest

VALGRIND = valgrind --leak-check=yes --error-exitcode=1
test-mem: FPREFIX = tmp-tvm
test-mem: lz4 datagen fuzzer frametest fullbench
	@echo "\n ---- valgrind tests : memory analyzer ----"
	$(VALGRIND) $(DATAGEN) -g50M > $(VOID)
	$(DATAGEN) -g16KB > $(FPREFIX)dg16K
	$(VALGRIND) $(LZ4) -9 -BD -f $(FPREFIX)dg16K $(VOID)
	$(DATAGEN) -g16KB -s2 > $(FPREFIX)dg16K2
	$(DATAGEN) -g16KB -s3 > $(FPREFIX)dg16K3
	$(VALGRIND) $(LZ4) --force --multiple $(FPREFIX)dg16K $(FPREFIX)dg16K2 $(FPREFIX)dg16K3
	$(DATAGEN) -g7MB > $(FPREFIX)dg7M
	$(VALGRIND) $(LZ4) -9 -B5D -f $(FPREFIX)dg7M $(FPREFIX)dg16K2
	$(VALGRIND) $(LZ4) -t $(FPREFIX)dg16K2
	$(VALGRIND) $(LZ4) -bi1 $(FPREFIX)dg7M
	$(VALGRIND) ./fullbench -i1 $(FPREFIX)dg7M $(FPREFIX)dg16K2
	$(VALGRIND) $(LZ4) -B4D -f -vq $(FPREFIX)dg7M $(VOID)
	$(VALGRIND) $(LZ4) --list -m $(FPREFIX)*.lz4
	$(VALGRIND) $(LZ4) --list -m -v $(FPREFIX)*.lz4
	$(RM) $(FPREFIX)*
	$(VALGRIND) ./fuzzer -i64 -t1
	$(VALGRIND) ./frametest -i256

test-mem32: lz4c32 datagen
# unfortunately, valgrind doesn't seem to work with non-native binary...

test-decompress-partial : decompress-partial decompress-partial-usingDict
	@echo "\n ---- test decompress-partial ----"
	./decompress-partial$(EXT)
	@echo "\n ---- test decompress-partial-usingDict ----"
	./decompress-partial-usingDict$(EXT)


#-----------------------------------------------------------------------------
# freestanding test only for Linux x86_64
#-----------------------------------------------------------------------------
ifeq ($(OS),Windows_NT)
  UNAME_S := Windows
else
  UNAME_S := $(shell uname -s)
endif

ifeq ($(OS),Windows_NT)
  UNAME_P := Unknown
else
  UNAME_P := $(shell uname -p)
endif

FREESTANDING_CFLAGS := -ffreestanding -nostdlib

ifneq ($(UNAME_S), Linux)
  FREESTANDING_CFLAGS :=
endif

ifneq ($(UNAME_P), x86_64)
  FREESTANDING_CFLAGS :=
endif

freestanding: freestanding.c
	$(CC) $(FREESTANDING_CFLAGS) $^ -o $@$(EXT)

test-freestanding: freestanding
	@echo "\n ---- test freestanding ----"
ifeq ($(FREESTANDING_CFLAGS),)
	@echo "\n (skip)"
else
	./freestanding$(EXT)
	-strace ./freestanding$(EXT)
	-ltrace ./freestanding$(EXT)
endif


endif
