project(fastwriter C)

set(RELEASE "0")
set(FASTWRITER_VERSION "0.0.2")
set(FASTWRITER_ABI_VERSION "0")

cmake_minimum_required(VERSION 2.8)

set(DISABLE_AIO TRUE CACHE BOOL "Use kernel AIO writer")
set(DISABLE_XFS_REALTIME FALSE CACHE BOOL "Disable support of RealTime XFS partition")
set(USE_CUSTOM_MEMCPY FALSE CACHE BOOL "Use custom memcpy routine instead of stanadrd")

include(GNUInstallDirs)
include(CheckIncludeFiles)
check_include_files("linux/falloc.h" HAVE_LINUX_FALLOC_H)

if (NOT DISABLE_XFS_REALTIME)
    check_include_files("xfs/xfs.h" HAVE_XFS_H)
    if (NOT HAVE_XFS_H)
	message(FATAL_ERROR "error: xfs/xfs.h is not found...")
    endif (NOT HAVE_XFS_H)
endif (NOT DISABLE_XFS_REALTIME)

include_directories(
    ${CMAKE_SOURCE_DIR}/src 
    ${CMAKE_CURRENT_BINARY_DIR}
)

add_definitions("-fPIC --std=c99 -Wall -O2 -pthread")

set(HEADERS fastwriter.h sysinfo.h default.h private.h)
set(SOURCES fastwriter.c sysinfo.c default.c)

if (USE_CUSTOM_MEMCPY)
    set(HEADERS ${HEADERS} memcpy.h)
    set(SOURCES ${SOURCES} memcpy.c)
endif (USE_CUSTOM_MEMCPY)

if (NOT DISABLE_AIO)
    check_include_files("libaio.h" HAVE_LIBAIO_H)
    if (NOT HAVE_LIBAIO_H)
	message(FATAL_ERROR "error: libaio.h is not found...")
    endif (NOT HAVE_LIBAIO_H)
endif (NOT DISABLE_AIO)

add_library(fastwriter SHARED ${SOURCES}) 

set_target_properties(fastwriter PROPERTIES
    VERSION ${FASTWRITER_VERSION}
    SOVERSION ${FASTWRITER_ABI_VERSION}
    LINK_FLAGS "-pthread"
)

if (NOT DISABLE_AIO)
    target_link_libraries(fastwriter aio)
endif (NOT DISABLE_AIO)

set(TARNAME "fastwriter")
set(PACKAGE_VERSION ${FASTWRITER_VERSION})
set(PACKAGE_NAME "${TARNAME}")
set(PACKAGE_TARNAME "${TARNAME}")
set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
set(PACKAGE_BUGREPORT "http://ufo.kit.edu/ufo/newticket")

set(CPACK_SOURCE_GENERATOR "TBZ2")
set(CPACK_PACKAGE_CONTACT "Suren A. Chilingaryan <csa@suren.me>")
if (${RELEASE} GREATER 0)
    set(CPACK_PACKAGE_VERSION "${PACKAGE_VERSION}.${RELEASE}")
else (${RELEASE} GREATER 0)
    set(CPACK_PACKAGE_VERSION "${PACKAGE_VERSION}")
endif (${RELEASE} GREATER 0)
set(CPACK_SOURCE_IGNORE_FILES "/.bzr/;CMakeFiles;_CPack_Packages;cmake_install.cmake;CPack.*.cmake;CMakeCache.txt;install_manifest.txt;config.h$;.pc$;Makefile;.tar.bz2$;~$;${CPACK_SOURCE_IGNORE_FILES}")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${CPACK_PACKAGE_VERSION}")
include(CPack)

add_custom_target(dist_clean COMMAND ${CMAKE_MAKE_PROGRAM} clean WORKING_DIRECTORY ${CMAKE_CURRENT_DIR})
add_custom_target(dist DEPENDS dist_clean COMMAND ${CMAKE_MAKE_PROGRAM} package_source)


configure_file(fastwriter.pc.in ${CMAKE_CURRENT_BINARY_DIR}/fastwriter.pc)
configure_file(fastwriter.spec.in ${CMAKE_CURRENT_BINARY_DIR}/fastwriter.spec)
configure_file(config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h)

install(TARGETS fastwriter
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
)

install(FILES fastwriter.h
    DESTINATION include
)

install(FILES 
    ${CMAKE_CURRENT_BINARY_DIR}/fastwriter.pc 
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
)