PROJECT(LZ4 C)

set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LZ4 compression library")

set(CPACK_PACKAGE_VERSION_MAJOR 1)

set(CPACK_PACKAGE_VERSION_MINOR 5)

set(CPACK_PACKAGE_VERSION_PATCH r128)

set(VERSION_STRING	" \"${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}\" ")

include(CPack)

cmake_minimum_required (VERSION 2.6)

INCLUDE (CheckTypeSize)

check_type_size("void *" SIZEOF_VOID_P)

IF( ${SIZEOF_VOID_P} STREQUAL  "8" )

    set (CMAKE_SYSTEM_PROCESSOR "64bit")

    MESSAGE( STATUS "64 bit architecture detected size of void * is " ${SIZEOF_VOID_P})

ENDIF()

option(BUILD_TOOLS "Build the command line tools" ON)

option(BUILD_LIBS  "Build the libraries in addition to the tools" ON)

IF("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR

   "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")

  SET(GNU_COMPATIBLE_COMPILER 1)

ENDIF()

if(GNU_COMPATIBLE_COMPILER)

if(UNIX AND BUILD_LIBS)

    add_definitions(-fPIC)

endif()

endif()

set(LZ4_DIR ../lib/)

set(PRG_DIR ../programs/)

set(LZ4_SRCS_LIB ${LZ4_DIR}lz4.c ${LZ4_DIR}lz4hc.c ${LZ4_DIR}lz4.h ${LZ4_DIR}lz4hc.h ${LZ4_DIR}lz4frame.c ${LZ4_DIR}lz4frame.h ${LZ4_DIR}xxhash.c)

set(LZ4_SRCS ${LZ4_DIR}lz4frame.c ${LZ4_DIR}xxhash.c ${PRG_DIR}bench.c ${PRG_DIR}lz4cli.c ${PRG_DIR}lz4io.c)

if(BUILD_TOOLS AND NOT BUILD_LIBS)

    set(LZ4_SRCS ${LZ4_SRCS} ${LZ4_SRCS_LIB})

endif()

if(BUILD_TOOLS)

    add_executable(lz4 ${LZ4_SRCS})

    install(TARGETS lz4 RUNTIME DESTINATION "bin/")

endif()

if(BUILD_LIBS)    

    add_library(liblz4 ${LZ4_SRCS_LIB})

    set_target_properties(liblz4 PROPERTIES

    OUTPUT_NAME lz4

    SOVERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}"

    )

    install(TARGETS liblz4

    LIBRARY DESTINATION lib

    ARCHIVE DESTINATION lib

    )

    install(FILES

    ${LZ4_DIR}/lz4.h

    ${LZ4_DIR}/lz4hc.h

    ${LZ4_DIR}/lz4frame.h

    DESTINATION include

    )

    if(BUILD_TOOLS)

        target_link_libraries(lz4 liblz4)

    endif()

endif()

#warnings

if(MSVC)

ADD_DEFINITIONS("-W4")

endif()

if(GNU_COMPATIBLE_COMPILER)

ADD_DEFINITIONS("-Wall")

endif()

if(CMAKE_COMPILER_IS_GNUCXX)

ADD_DEFINITIONS("-Wextra")

ADD_DEFINITIONS("-Wundef")

ADD_DEFINITIONS("-Wshadow")

ADD_DEFINITIONS("-Wcast-align")

ADD_DEFINITIONS("-Wstrict-prototypes")

endif(CMAKE_COMPILER_IS_GNUCXX)

if(GNU_COMPATIBLE_COMPILER AND

   (NOT CMAKE_SYSTEM_NAME MATCHES "SunOS"))

ADD_DEFINITIONS("-std=c99")

endif()

ADD_DEFINITIONS("-DLZ4_VERSION=\"${CPACK_PACKAGE_VERSION_PATCH}\"")

INCLUDE_DIRECTORIES (${LZ4_DIR})