# Makefile for example of using zstd wrapper for zlib
#
# make - compiles examples
# make MOREFLAGS=-DZWRAP_USE_ZSTD=1 - compiles examples with zstd compression turned on
# make test - runs examples


# Paths to static and dynamic zlib and zstd libraries
# Use "make ZLIB_LIBRARY=path/to/zlib" to select a path to library
ZLIB_LIBRARY ?= -lz

ZSTDLIBDIR = ../lib
ZSTDLIBRARY = $(ZSTDLIBDIR)/libzstd.a
ZLIBWRAPPER_PATH = .
EXAMPLE_PATH = examples
PROGRAMS_PATH = ../programs
TEST_FILE = ../doc/zstd_compression_format.md

CPPFLAGS = -DXXH_NAMESPACE=XXH_ -I$(PROGRAMS_PATH) -I$(ZSTDLIBDIR) -I$(ZSTDLIBDIR)/common -I$(ZLIBWRAPPER_PATH)
CFLAGS  ?= $(MOREFLAGS) -O3 -std=gnu99
CFLAGS  += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wswitch-enum -Wdeclaration-after-statement -Wstrict-prototypes -Wundef  
#-Wstrict-aliasing=1


all: clean fitblk example zwrapbench

test: example fitblk example_zstd fitblk_zstd zwrapbench
	./example
	./example_zstd
	./fitblk 10240 <$(TEST_FILE)
	./fitblk 40960 <$(TEST_FILE)
	./fitblk_zstd 10240 <$(TEST_FILE)
	./fitblk_zstd 40960 <$(TEST_FILE)
	./zwrapbench -qb3B1K $(TEST_FILE)
	./zwrapbench -rqb1e5 ../lib ../programs ../tests

#valgrindTest: ZSTDLIBRARY = $(ZSTDLIBDIR)/libzstd.so
valgrindTest: VALGRIND = LD_LIBRARY_PATH=$(ZSTDLIBDIR) valgrind --track-origins=yes --leak-check=full --error-exitcode=1
valgrindTest: clean example fitblk example_zstd fitblk_zstd zwrapbench
	@echo "\n ---- valgrind tests ----"
	$(VALGRIND) ./example
	$(VALGRIND) ./example_zstd
	$(VALGRIND) ./fitblk 10240 <$(TEST_FILE)
	$(VALGRIND) ./fitblk 40960 <$(TEST_FILE)
	$(VALGRIND) ./fitblk_zstd 10240 <$(TEST_FILE)
	$(VALGRIND) ./fitblk_zstd 40960 <$(TEST_FILE)
	$(VALGRIND) ./zwrapbench -qb3B1K $(TEST_FILE)
	$(VALGRIND) ./zwrapbench -rqb1e5 ../lib ../programs ../tests

#.c.o:
#	$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<

minigzip: gzclose.c gzlib.c gzread.c gzwrite.c minigzip.c $(ZLIBWRAPPER_PATH)/zstdTurnedOn_zlibwrapper.o $(ZSTDLIBRARY)
	$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $^ $(ZSTDLIBRARY) $(ZLIB_LIBRARY)

example: $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(ZSTDLIBRARY)
	$(CC) $(LDFLAGS) -o $@ $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(ZSTDLIBRARY) $(ZLIB_LIBRARY)

example_zstd: $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstdTurnedOn_zlibwrapper.o $(ZSTDLIBRARY)
	$(CC) $(LDFLAGS)  -o $@ $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstdTurnedOn_zlibwrapper.o $(ZSTDLIBRARY) $(ZLIB_LIBRARY)

fitblk: $(EXAMPLE_PATH)/fitblk.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(ZSTDLIBRARY)
	$(CC) $(LDFLAGS) -o $@ $(EXAMPLE_PATH)/fitblk.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(ZSTDLIBRARY) $(ZLIB_LIBRARY)

fitblk_zstd: $(EXAMPLE_PATH)/fitblk.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(ZSTDLIBRARY)
	$(CC) $(LDFLAGS) -o $@ $(EXAMPLE_PATH)/fitblk.o $(ZLIBWRAPPER_PATH)/zstdTurnedOn_zlibwrapper.o $(ZSTDLIBRARY) $(ZLIB_LIBRARY)

zwrapbench: $(EXAMPLE_PATH)/zwrapbench.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(PROGRAMS_PATH)/datagen.o $(ZSTDLIBRARY)
	$(CC) $(LDFLAGS) -o $@ $(EXAMPLE_PATH)/zwrapbench.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(PROGRAMS_PATH)/datagen.o $(ZSTDLIBRARY) $(ZLIB_LIBRARY)

$(EXAMPLE_PATH)/zwrapbench.o: $(EXAMPLE_PATH)/zwrapbench.c

$(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o: $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.c $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.h
	$(CC) $(CFLAGS) $(CPPFLAGS) -I. -c -o $@ $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.c

$(ZLIBWRAPPER_PATH)/zstdTurnedOn_zlibwrapper.o: $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.c $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.h
	$(CC) $(CFLAGS) $(CPPFLAGS) -DZWRAP_USE_ZSTD=1 -I. -c -o $@ $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.c

$(ZSTDLIBDIR)/libzstd.a:
	$(MAKE) -C $(ZSTDLIBDIR) libzstd.a

$(ZSTDLIBDIR)/libzstd.so:
	$(MAKE) -C $(ZSTDLIBDIR) libzstd

clean:
	-$(RM) $(ZLIBWRAPPER_PATH)/*.o $(EXAMPLE_PATH)/*.o *.o *.exe foo.gz example example_zstd fitblk fitblk_zstd zwrapbench
	@echo Cleaning completed