Experimental CMake build configuration for G'MIC

CMakeLists.txt

cmake_minimum_required(VERSION 2.8.9)

project(gmic CXX C)

find_package(PkgConfig)

# options controlling the build process
option(BUILD_LIB "Build the GMIC shared library" ON)
option(BUILD_CLI "Build the CLI interface" ON)
option(BUILD_PLUGIN "Build the GIMP plug-in" ON)
option(ENABLE_X "Add support for X11" ON)
option(ENABLE_FFMPEG "Add support for X11" ON)
option(ENABLE_FFTW "Add support for X11" ON)
option(ENABLE_GRAPHICSMAGICK "Add support for X11" ON)
option(ENABLE_JPEG "Add support for X11" ON)
option(ENABLE_OPENCV "Add support for X11" ON)
option(ENABLE_OPENEXR "Add support for X11" ON)
option(ENABLE_OPENMP "Add support for X11" ON)
option(ENABLE_PNG "Add support for X11" ON)
option(ENABLE_TIFF "Add support for X11" ON)
option(ENABLE_ZLIB "Add support for X11" ON)

# compile flags
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/modules)
set(CMAKE_POSITION_INDEPENDENT_CODE True)

set(COMPILE_FLAGS " -Dgmic_build -Dcimg_use_vt100 -Dgmic_is_parallel -Dcimg_use_abort ")
IF(MINGW)
  SET(COMPILE_FLAGS " ${COMPILE_FLAGS} -std=gnu++11")
ELSEIF(APPLE)
   SET(COMPILE_FLAGS " ${COMPILE_FLAGS} -mmacosx-version-min=10.8 -std=c++11 -stdlib=libc++ -Wno-error=c++11-narrowing -Wc++11-extensions  -fpermissive")
ELSE(MINGW)
  SET(COMPILE_FLAGS " ${COMPILE_FLAGS} -std=gnu++11 -Wno-error=narrowing -fno-ipa-sra -fpermissive")
ENDIF(MINGW)

IF(NOT "${PRERELEASE_TAG}" STREQUAL "")
  SET(COMPILE_FLAGS "${COMPILE_FLAGS} -Dgmic_prerelease=\"${PRERELEASE_TAG}\"")
ENDIF(NOT "${PRERELEASE_TAG}" STREQUAL "")

set(EXTRA_LIBRARIES)


# OpenMP support
if(ENABLE_OPENMP)
  if(NOT APPLE)
    set(COMPILE_FLAGS " ${COMPILE_FLAGS} -fopenmp -Dcimg_use_openmp ")
    set(EXTRA_LIBRARIES "-lgomp ${EXTRA_LIBRARIES}")
  endif(NOT APPLE)
endif(ENABLE_OPENMP)


# Zlib support
if(ENABLE_ZLIB)
  find_package (ZLIB)
endif(ENABLE_ZLIB)
if(ZLIB_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_zlib ")
  include_directories(${ZLIB_INCLUDE_DIRS})
  link_directories(${ZLIB_LIBRARY_DIRS})  
endif(ZLIB_FOUND)


#X11 support
if(ENABLE_X)
  find_package (X11)
endif(ENABLE_X)
if(X11_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_display=1 -Dcimg_appname=\\\"gmic\\\" ")
  include_directories(${X11_INCLUDE_DIR})
  include_directories(${X11_INCLUDE_DIRS})
  link_directories(${X11_LIBRARY_DIR})  
  link_directories(${X11_LIBRARY_DIRS})  
else(X11_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_display=0 -Dcimg_appname=\\\"gmic\\\" ")
endif(X11_FOUND)
message( "X11_INCLUDE_DIR: " ${X11_INCLUDE_DIR} )
message( "X11_INCLUDE_DIRs: " ${X11_INCLUDE_DIRs} )
message( "X11_LIBRARY_DIR: " ${X11_LIBRARY_DIR} )
message( "X11_LIBRARY_DIRS: " ${X11_LIBRARY_DIRS} )
if(X11_XShm_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_xshm ")
endif(X11_XShm_FOUND)


if(ENABLE_FFTW)
  pkg_check_modules(FFTW3 fftw3>=3.0)
endif(ENABLE_FFTW)
if(FFTW3_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_fftw3 ")
  include_directories(${FFTW3_INCLUDE_DIRS})
  link_directories(${FFTW3_LIBRARY_DIRS})  
  if(APPLE) 
    set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_fftw3_singlethread")
  else(APPLE)
  	set(EXTRA_LIBRARIES "${EXTRA_LIBRARIES} -lfftw3_threads")
  endif(APPLE)
endif(FFTW3_FOUND)


if(ENABLE_OPENCV)
  pkg_check_modules(OPENCV opencv)
endif(ENABLE_OPENCV)
if(OPENCV_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_opencv ")
  include_directories(${OPENCV_INCLUDE_DIRS})
  link_directories(${OPENCV_LIBRARY_DIRS})  
endif(OPENCV_FOUND)


if(ENABLE_GRAPHICSMAGICK)
  pkg_check_modules(GRAPHICSMAGICK GraphicsMagick++)
endif(ENABLE_GRAPHICSMAGICK)
if(GRAPHICSMAGICK_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_magick ")
  include_directories(${GRAPHICSMAGICK_INCLUDE_DIRS})
  link_directories(${GRAPHICSMAGICK_LIBRARY_DIRS})  
endif(GRAPHICSMAGICK_FOUND)


if(ENABLE_TIFF)
  find_package (TIFF)
endif(ENABLE_TIFF)
if(TIFF_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_tiff ")
  include_directories(${TIFF_INCLUDE_DIRS})
  link_directories(${TIFF_LIBRARY_DIRS})  
endif(TIFF_FOUND)


if(ENABLE_PNG)
  find_package (PNG)
endif(ENABLE_PNG)
if(PNG_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_png ")
  include_directories(${PNG_INCLUDE_DIRS})
  link_directories(${PNG_LIBRARY_DIRS})  
endif(PNG_FOUND)


if(ENABLE_JPEG)
  find_package (JPEG)
endif(ENABLE_JPEG)
if(JPEG_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_jpeg ")
  include_directories(${JPEG_INCLUDE_DIRS})
  link_directories(${JPEG_LIBRARY_DIRS})  
endif(JPEG_FOUND)


if(ENABLE_OPENEXR)
  pkg_check_modules(OPENEXR OpenEXR)
endif(ENABLE_OPENEXR)
if(OPENEXR_FOUND)
  set(COMPILE_FLAGS " ${COMPILE_FLAGS} -Dcimg_use_openexr ")
  include_directories(${OPENEXR_INCLUDE_DIRS})
  link_directories(${OPENEXR_LIBRARY_DIRS})  
endif(OPENEXR_FOUND)



# CImg.h header
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CImg_download.cmake "file(DOWNLOAD https://github.com/dtschump/CImg/blob/master/CImg.h?raw=true ${CMAKE_SOURCE_DIR}/src/CImg.h)")
add_custom_command(
  OUTPUT ${CMAKE_SOURCE_DIR}/src/CImg.h
  COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/CImg_download.cmake
  #COMMAND ${WGET_EXECUTABLE} https://github.com/dtschump/CImg/blob/master/CImg.h?raw=true -O ${CMAKE_SOURCE_DIR}/src/CImg.h
  COMMAND touch ${CMAKE_SOURCE_DIR}/src/CImg.h
)
add_custom_target(CImg_download ALL DEPENDS ${CMAKE_SOURCE_DIR}/src/CImg.h)


# gmic_stdlib.h header
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/gmic_stdlib_download.cmake "file(DOWNLOAD http://gmic.eu/gmic_stdlib.h ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.h)")
add_custom_command(
  OUTPUT ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.h
  COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/gmic_stdlib_download.cmake
  #COMMAND ${WGET_EXECUTABLE} http://gmic.eu/gmic_stdlib.h -O ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.h
  COMMAND touch ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.h
)
add_custom_target(gmic_stdlib_download ALL DEPENDS ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.h)


add_custom_target(gmic_extra_headers DEPENDS CImg_download gmic_stdlib_download)

if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE "Release" CACHE STRING
    "Choose the type of build, options are: Debug Release RelWithDebInfo."
    FORCE)
endif(NOT CMAKE_BUILD_TYPE)
SET(CMAKE_CXX_FLAGS_DEBUG " -O0 -g -ansi -pedantic -Dcimg_verbosity=3 ${COMPILE_FLAGS}") 
SET(CMAKE_CXX_FLAGS_RELEASE " -O3 -mtune=generic ${COMPILE_FLAGS}") 
SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO " -O3 -g -mtune=generic ${COMPILE_FLAGS}") 


# source files
SET(CLI_Includes ./src/gmic.h) #${CMAKE_BINARY_DIR}/gmic_stdlib.h ${CMAKE_BINARY_DIR}/CImg.h)
SET(CLI_Sources ./src/gmic.cpp)

IF(MINGW)
  IF("${EXTRA_LIBRARIES}" STREQUAL "")
    SET(EXTRA_LIBRARIES "-Wl,--stack,16777216")
  ELSE("${EXTRA_LIBRARIES}" STREQUAL "")
    SET(EXTRA_LIBRARIES "-Wl,--stack,16777216 ${EXTRA_LIBRARIES}")
  ENDIF("${EXTRA_LIBRARIES}" STREQUAL "")
ELSEIF(APPLE)
  IF("${EXTRA_LIBRARIES}" STREQUAL "")
    SET(EXTRA_LIBRARIES "-lpthread")
  ELSE("${EXTRA_LIBRARIES}" STREQUAL "")
    SET(EXTRA_LIBRARIES "-lpthread ${EXTRA_LIBRARIES}")
  ENDIF("${EXTRA_LIBRARIES}" STREQUAL "")
ELSE(MINGW)
  IF("${EXTRA_LIBRARIES}" STREQUAL "")
    SET(EXTRA_LIBRARIES "-lpthread")
  ELSE("${EXTRA_LIBRARIES}" STREQUAL "")
    SET(EXTRA_LIBRARIES "-lpthread ${EXTRA_LIBRARIES}")
  ENDIF("${EXTRA_LIBRARIES}" STREQUAL "")
ENDIF(MINGW)


if(BUILD_LIB)
  add_library(libgmic SHARED ${CLI_Includes} ${CLI_Sources})
  add_dependencies(libgmic gmic_extra_headers)
  set_target_properties(libgmic PROPERTIES OUTPUT_NAME "gmic")
  IF(NOT APPLE)
    set_target_properties(libgmic PROPERTIES LINK_FLAGS "-Wl,-soname,libgmic.so.1")
  ENDIF(NOT APPLE)
  target_link_libraries(libgmic
    ${X11_LIBRARIES}
    ${TIFF_LIBRARIES} 
    ${PNG_LIBRARIES} 
    ${JPEG_LIBRARIES} 
    ${GRAPHICSMAGICK_LIBRARIES}
    ${OPENEXR_LIBRARIES}
    ${OPENCV_LIBRARIES}
    ${ZLIB_LIBRARIES}
    ${FFTW3_LIBRARIES}
    ${EXTRA_LIBRARIES}
    )
  
  add_library(libgmicstatic STATIC ${CLI_Includes} ${CLI_Sources})
  add_dependencies(libgmicstatic gmic_extra_headers)
  set_target_properties(libgmicstatic PROPERTIES OUTPUT_NAME "gmic")
  target_link_libraries(libgmicstatic
    ${X11_LIBRARIES}
    ${TIFF_LIBRARIES} 
    ${PNG_LIBRARIES} 
    ${JPEG_LIBRARIES} 
    ${GRAPHICSMAGICK_LIBRARIES}
    ${OPENEXR_LIBRARIES}
    ${OPENCV_LIBRARIES}
    ${ZLIB_LIBRARIES}
    ${FFTW3_LIBRARIES}
    ${EXTRA_LIBRARIES}
    )
  
  INSTALL(TARGETS libgmic LIBRARY DESTINATION lib)
  INSTALL(TARGETS libgmicstatic ARCHIVE DESTINATION lib)
  INSTALL(FILES src/gmic.h DESTINATION include)
endif(BUILD_LIB)


if(BUILD_CLI)
  add_executable(gmic ${CLI_Includes} ${CLI_Sources})
  add_dependencies(gmic gmic_extra_headers)
  set_target_properties(gmic PROPERTIES COMPILE_FLAGS " -Dgmic_main ")
  target_link_libraries(gmic
    ${X11_LIBRARIES}
    ${TIFF_LIBRARIES} 
    ${PNG_LIBRARIES} 
    ${JPEG_LIBRARIES} 
    ${GRAPHICSMAGICK_LIBRARIES}
    ${OPENEXR_LIBRARIES}
    ${OPENCV_LIBRARIES}
    ${ZLIB_LIBRARIES}
    ${FFTW3_LIBRARIES}
    ${EXTRA_LIBRARIES}
    )
  
  INSTALL(TARGETS gmic RUNTIME DESTINATION bin)
endif(BUILD_CLI)


# GIMP plug-in
if(BUILD_PLUGIN)
  pkg_check_modules(GIMP gimp-2.0) 
  if (GIMP_FOUND)
    pkg_check_modules(GIMPUI gimpui-2.0) 
    if (GIMPUI_FOUND)
      include_directories(${GIMP_INCLUDE_DIRS})
      link_directories(${GIMP_LIBRARY_DIRS})  
      include_directories(${GIMPUI_INCLUDE_DIRS})
      link_directories(${GIMPUI_LIBRARY_DIRS})  
      
      add_executable(gmic_gimp ${CLI_Includes} ${CLI_Sources} ./src/gmic_gimp.cpp)
      add_dependencies(gmic_gimp gmic_extra_headers)
     
      set_target_properties(gmic_gimp PROPERTIES COMPILE_FLAGS " -Dgmic_gimp")
      
      target_link_libraries(gmic_gimp 
	${X11_LIBRARIES}
	${TIFF_LIBRARIES} 
	${PNG_LIBRARIES} 
	${JPEG_LIBRARIES} 
    ${GRAPHICSMAGICK_LIBRARIES}
	${OPENEXR_LIBRARIES}
    ${OPENCV_LIBRARIES}
	${ZLIB_LIBRARIES}
	${FFTW3_LIBRARIES}
	${GIMP_LIBRARIES}
	${GIMPUI_LIBRARIES}
	${EXTRA_LIBRARIES}
	)
      
      INSTALL(TARGETS gmic_gimp RUNTIME DESTINATION ${GIMP_PREFIX}/lib/gimp/2.0/plug-ins)
      INSTALL(FILES ${CMAKE_SOURCE_DIR}/resources/gmic_film_cluts.gmz DESTINATION ${GIMP_PREFIX}/lib/gimp/2.0/plug-ins)
      
    endif (GIMPUI_FOUND)
  endif (GIMP_FOUND)
endif(BUILD_PLUGIN)