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PROJECT(LZ4 C)
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LZ4 compression library")
set(CPACK_PACKAGE_VERSION_MAJOR 1)
set(CPACK_PACKAGE_VERSION_MINOR 7)
set(CPACK_PACKAGE_VERSION_PATCH 2)
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)
option(LINK_TOOLS_WITH_LIB "Link the command line tools with the (shared) library" OFF)
IF(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR
CMAKE_C_COMPILER_ID STREQUAL "Clang")
SET(GNU_COMPATIBLE_COMPILER 1)
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 ${PRG_DIR}datagen.c)
if(BUILD_TOOLS AND NOT (LINK_TOOLS_WITH_LIB AND 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)
SET(LIBS_TARGETS "")
IF(WIN32)
add_library(liblz4 STATIC ${LZ4_SRCS_LIB})
SET(LIBS_TARGETS liblz4)
ELSE(WIN32)
add_library(liblz4 SHARED ${LZ4_SRCS_LIB})
add_library(liblz4_static STATIC ${LZ4_SRCS_LIB})
SET_TARGET_PROPERTIES(liblz4_static PROPERTIES OUTPUT_NAME lz4)
SET(LIBS_TARGETS liblz4 liblz4_static)
ENDIF(WIN32)
set_target_properties(liblz4 PROPERTIES
OUTPUT_NAME lz4
SOVERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}"
)
install(TARGETS ${LIBS_TARGETS}
RUNTIME DESTINATION lib #on Windows: cmake considers dlls as runtime component
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
)
install(FILES
${LZ4_DIR}/lz4.h
${LZ4_DIR}/lz4hc.h
${LZ4_DIR}/lz4frame.h
DESTINATION include
)
set(PREFIX ${CMAKE_INSTALL_PREFIX})
set(LIBDIR ${CMAKE_INSTALL_PREFIX}/lib)
set(INCLUDEDIR ${CMAKE_INSTALL_PREFIX}/include)
string(SUBSTRING ${CPACK_PACKAGE_VERSION_PATCH} 1 -1 VERSION)
configure_file(${LZ4_DIR}/liblz4.pc.in liblz4.pc @ONLY)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/liblz4.pc
DESTINATION "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/pkgconfig"
)
if(BUILD_TOOLS AND LINK_TOOLS_WITH_LIB)
target_link_libraries(lz4 liblz4)
endif()
endif()
#warnings
if(MSVC)
ADD_DEFINITIONS("-W4")
endif()
if(GNU_COMPATIBLE_COMPILER)
ADD_DEFINITIONS("-Wall")
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
ADD_DEFINITIONS("-Wextra")
ADD_DEFINITIONS("-Wundef")
ADD_DEFINITIONS("-Wshadow")
ADD_DEFINITIONS("-Wcast-align")
ADD_DEFINITIONS("-Wstrict-prototypes")
endif(CMAKE_COMPILER_IS_GNUCXX)
if(GNU_COMPATIBLE_COMPILER)
# we need gnu99 instead of c99 on Linux and Solaris
# to get C99 and POSIX definitions
# an alternative with cmake >= 3.1/3.2 is the C_STANDARD property
ADD_DEFINITIONS("-std=gnu99")
endif()
ADD_DEFINITIONS("-DLZ4_VERSION=\"${CPACK_PACKAGE_VERSION_PATCH}\"")
INCLUDE_DIRECTORIES (${LZ4_DIR})
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