# ################################################################
# LZ4 library - Makefile
# Copyright (C) Yann Collet 2011-2014
# All rights reserved.
# 
# BSD license
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
# 
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
# 
# * Redistributions in binary form must reproduce the above copyright notice, this
#   list of conditions and the following disclaimer in the documentation and/or
#   other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# 
# You can contact the author at :
#  - LZ4 source repository : http://code.google.com/p/lz4/
#  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
# ################################################################

# Version numbers
VERSION=124
export RELEASE=r$(VERSION)
LIBVER_MAJOR=`sed -n '/define LZ4_VERSION_MAJOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < lz4.h`
LIBVER_MINOR=`sed -n '/define LZ4_VERSION_MINOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < lz4.h`
LIBVER_PATCH=`sed -n '/define LZ4_VERSION_RELEASE/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < lz4.h`
LIBVER=$(LIBVER_MAJOR).$(LIBVER_MINOR).$(LIBVER_PATCH)

DESTDIR?=
PREFIX ?= /usr
CC     := $(CC)
CFLAGS ?= -O3
CFLAGS += -I. -std=c99 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Wstrict-prototypes -DLZ4_VERSION=\"$(RELEASE)\"

LIBDIR?= $(PREFIX)/lib
INCLUDEDIR=$(PREFIX)/include
PRGDIR = programs
DISTRIBNAME=lz4-$(RELEASE).tar.gz


# Define *.exe as extension for Windows systems
ifneq (,$(filter Windows%,$(OS)))
EXT =.exe
else
EXT =
endif

# OS X linker doesn't support -soname, and use different extension
# see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
ifeq ($(shell uname), Darwin)
	SHARED_EXT = dylib
	SHARED_EXT_MAJOR = $(LIBVER_MAJOR).$(SHARED_EXT)
	SHARED_EXT_VER = $(LIBVER).$(SHARED_EXT)
	SONAME_FLAGS = -install_name $(PREFIX)/lib/liblz4.$(SHARED_EXT_MAJOR) -compatibility_version $(LIBVER_MAJOR) -current_version $(LIBVER)
else
	SONAME_FLAGS = -Wl,-soname=liblz4.$(SHARED_EXT).$(LIBVER_MAJOR)
	SHARED_EXT = so
	SHARED_EXT_MAJOR = $(SHARED_EXT).$(LIBVER_MAJOR)
	SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
endif

TEXT =  lz4.c lz4.h lz4hc.c lz4hc.h \
	lz4frame.c lz4frame.h xxhash.c xxhash.h \
	liblz4.pc.in Makefile \
	lz4_format_description.txt NEWS LICENSE README.md \
	cmake_unofficial/CMakeLists.txt \
	$(PRGDIR)/fullbench.c $(PRGDIR)/lz4cli.c \
	$(PRGDIR)/datagen.c $(PRGDIR)/fuzzer.c \
	$(PRGDIR)/lz4io.c $(PRGDIR)/lz4io.h \
	$(PRGDIR)/bench.c $(PRGDIR)/bench.h \
	$(PRGDIR)/lz4.1 $(PRGDIR)/lz4c.1 $(PRGDIR)/lz4cat.1 \
	$(PRGDIR)/Makefile $(PRGDIR)/COPYING \
	LZ4_Framing_Format.html
NONTEXT = images/image00.png images/image01.png images/image02.png \
	images/image03.png images/image04.png images/image05.png \
	images/image06.png
SOURCES = $(TEXT) $(NONTEXT)


# Select test target for Travis CI's Build Matrix
ifeq ($(LZ4_TRAVIS_CI_ENV),-dist)
TRAVIS_TARGET=dist
else ifeq ($(LZ4_TRAVIS_CI_ENV),-cmake)
TRAVIS_TARGET=cmake
else ifeq ($(LZ4_TRAVIS_CI_ENV),-examples)
TRAVIS_TARGET=examples
else
TRAVIS_TARGET=test-prg
endif


default: liblz4
	@cd $(PRGDIR); $(MAKE) -e

all: liblz4 lz4programs

lz4programs: lz4.c lz4hc.c
	@cd $(PRGDIR); $(MAKE) -e all

liblz4: lz4.c lz4hc.c
	@echo compiling static library
	@$(CC) $(CPPFLAGS) $(CFLAGS) -c $^
	@$(AR) rcs liblz4.a lz4.o lz4hc.o
	@echo compiling dynamic library
	@$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -shared $^ -fPIC $(SONAME_FLAGS) -o $@.$(SHARED_EXT_VER)
	@echo creating versioned links
	@ln -sf $@.$(SHARED_EXT_VER) $@.$(SHARED_EXT_MAJOR)
	@ln -sf $@.$(SHARED_EXT_VER) $@.$(SHARED_EXT)

clean:
	@rm -f core *.o *.a *.$(SHARED_EXT) *.$(SHARED_EXT).* $(DISTRIBNAME) *.sha1 liblz4.pc
	@cd $(PRGDIR); $(MAKE) clean
	@cd examples; $(MAKE) clean
	@echo Cleaning completed


#------------------------------------------------------------------------
#make install is validated only for Linux, OSX, kFreeBSD and Hurd targets
ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU))

liblz4.pc: liblz4.pc.in Makefile
	@echo creating pkgconfig
	@sed -e 's|@PREFIX@|$(PREFIX)|' \
            -e 's|@LIBDIR@|$(LIBDIR)|' \
            -e 's|@INCLUDEDIR@|$(INCLUDEDIR)|' \
            -e 's|@VERSION@|$(VERSION)|' \
             $< >$@

install: liblz4 liblz4.pc
	@install -d -m 755 $(DESTDIR)$(LIBDIR)/pkgconfig/ $(DESTDIR)$(INCLUDEDIR)/
	@install -m 755 liblz4.$(SHARED_EXT_VER) $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT_VER)
	@cp -a liblz4.$(SHARED_EXT_MAJOR) $(DESTDIR)$(LIBDIR)
	@cp -a liblz4.$(SHARED_EXT) $(DESTDIR)$(LIBDIR)
	@cp -a liblz4.pc $(DESTDIR)$(LIBDIR)/pkgconfig/
	@install -m 644 liblz4.a $(DESTDIR)$(LIBDIR)/liblz4.a
	@install -m 644 lz4.h $(DESTDIR)$(INCLUDEDIR)/lz4.h
	@install -m 644 lz4hc.h $(DESTDIR)$(INCLUDEDIR)/lz4hc.h
	@echo lz4 static and shared library installed
	@cd $(PRGDIR); $(MAKE) -e install

uninstall:
	rm -f $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT)
	rm -f $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT_MAJOR)
	rm -f $(DESTDIR)$(LIBDIR)/pkgconfig/liblz4.pc
	[ -x $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT_VER) ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT_VER)
	[ -f $(DESTDIR)$(LIBDIR)/liblz4.a ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.a
	[ -f $(DESTDIR)$(INCLUDEDIR)/lz4.h ] && rm -f $(DESTDIR)$(INCLUDEDIR)/lz4.h
	[ -f $(DESTDIR)$(INCLUDEDIR)/lz4hc.h ] && rm -f $(DESTDIR)$(INCLUDEDIR)/lz4hc.h
	@echo lz4 libraries successfully uninstalled
	@cd $(PRGDIR); $(MAKE) uninstall

dist: clean
	@install -dD -m 700 lz4-$(RELEASE)/programs/
	@install -dD -m 700 lz4-$(RELEASE)/cmake_unofficial/
	@install -dD -m 700 lz4-$(RELEASE)/images/
	@for f in $(TEXT); do \
		tr -d '\r' < $$f > .tmp; \
		install -m 600 .tmp lz4-$(RELEASE)/$$f; \
	done
	@rm .tmp
	@for f in $(NONTEXT); do \
		install -m 600 $$f lz4-$(RELEASE)/$$f; \
	done
	@tar -czf $(DISTRIBNAME) lz4-$(RELEASE)/
	@rm -rf lz4-$(RELEASE)
	@sha1sum $(DISTRIBNAME) > $(DISTRIBNAME).sha1
	@echo Distribution $(DISTRIBNAME) built

test:
	@cd $(PRGDIR); $(MAKE) -e $@

test-travis: $(TRAVIS_TARGET)

cmake:
	@cd cmake_unofficial; cmake CMakeLists.txt; $(MAKE)

examples:
	cd examples; $(MAKE) -e test

test-prg:
	@cd $(PRGDIR); $(MAKE) -e test-travis

endif