hedgewars/CMakeLists.txt
author koda
Wed, 21 Nov 2012 23:34:54 +0100
changeset 8093 2286a39140da
parent 8090 38d9cc60b14c
child 8096 453917e94e55
child 8146 1fba650c2aa4
permissions -rw-r--r--
moar cmake cleanup, use message(WARNING ...) where appropriate
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find_package(SDL)
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find_package(SDL_image)
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find_package(SDL_net)
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find_package(SDL_ttf)
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find_package(SDL_mixer)
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include(${CMAKE_SOURCE_DIR}/cmake_modules/FindSDL_Extras.cmake)
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configure_file(${hedgewars_SOURCE_DIR}/hedgewars/config.inc.in ${CMAKE_CURRENT_BINARY_DIR}/config.inc)
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#SOURCE AND PROGRAMS SECTION
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set(hwengine_project ${hedgewars_SOURCE_DIR}/hedgewars/hwengine.pas)
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set(engine_output_name "hwengine")
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set(engine_sources
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    ${hwengine_project}
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    LuaPas.pas
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    PNGh.pas
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    SDLh.pas
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    uAI.pas
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    uAIActions.pas
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    uAILandMarks.pas
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    uAIAmmoTests.pas
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    uAIMisc.pas
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    uAmmos.pas
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    uCaptions.pas
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    uChat.pas
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    uCollisions.pas
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    uCommands.pas
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    uCommandHandlers.pas
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    uConsole.pas
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    uConsts.pas
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    uCursor.pas
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    uDebug.pas
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    uFloat.pas
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    uGame.pas
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    uGears.pas
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    uGearsHandlers.pas
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    uGearsHandlersRope.pas
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    uGearsHedgehog.pas
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    uGearsList.pas
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    uGearsRender.pas
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    uGearsUtils.pas
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    uIO.pas
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    uInputHandler.pas
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    uLand.pas
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    uLandGenMaze.pas
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    uLandGraphics.pas
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    uLandObjects.pas
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    uLandOutline.pas
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    uLandPainted.pas
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    uLandTemplates.pas
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    uLandTexture.pas
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    uLocale.pas
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    uMisc.pas
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    uMobile.pas
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    uPhysFSLayer.pas
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    uRandom.pas
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    uRender.pas
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    uRenderUtils.pas
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    uScript.pas
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    uSinTable.pas
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    uSound.pas
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    uStats.pas
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    uStore.pas
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    uTeams.pas
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    uTextures.pas
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    uTouch.pas
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    uTypes.pas
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    uUtils.pas
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    uVariables.pas
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    uVideoRec.pas
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    uVisualGears.pas
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    uWorld.pas
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    GSHandlers.inc
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    VGSHandlers.inc
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    ArgParsers.inc
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    options.inc
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    adler32.pas
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    ${CMAKE_CURRENT_BINARY_DIR}/config.inc
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    )
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if(BUILD_ENGINE_LIBRARY)
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    message(STATUS "Engine will be built as library (experimental)")
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    set(hwengine_project ${hedgewars_SOURCE_DIR}/hedgewars/hwLibrary.pas)
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    set(pascal_flags "-dHWLIBRARY" ${pascal_flags})
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    # create position independent code, only required for x68_64 builds, similar to -fPIC
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    if(CMAKE_SIZEOF_VOID_P MATCHES "8")
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        set(pascal_flags "-Cg" ${pascal_flags})
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    endif(CMAKE_SIZEOF_VOID_P MATCHES "8")
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    # due to compiler/linker issues on Max OS X 10.6 -k-no_order_inits is needed to avoid linking fail
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    if(APPLE AND current_macosx_version GREATER "10.5")
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        set(pascal_flags "-k-no_order_inits" ${pascal_flags})
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    endif()
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    if(APPLE)
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        set(engine_output_name "libhwengine.dylib")
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    endif (APPLE)
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endif(BUILD_ENGINE_LIBRARY)
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#PASCAL DETECTION SECTION
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IF(FPC)
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    set(fpc_executable ${FPC})
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ELSE()
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    find_program(fpc_executable fpc)
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ENDIF()
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message(STATUS "Check for working FPC compiler: ${fpc_executable}")
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execute_process(COMMAND ${fpc_executable} -iV OUTPUT_VARIABLE fpc_output ERROR_VARIABLE fpc_error)
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if(fpc_error)
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    message(STATUS "Check for working FPC compiler: ${fpc_executable} -- broken")
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else(fpc_error)
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    message(STATUS "Check for working FPC compiler: ${fpc_executable} -- works")
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endif(fpc_error)
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string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" fpc_version "${fpc_output}")
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if(fpc_version)
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    string(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" fpc_vers_major "${fpc_version}")
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    string(REGEX REPLACE "[0-9]+\\.([0-9]+)\\.[0-9]+" "\\1" fpc_vers_minor "${fpc_version}")
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    string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" fpc_vers_patch "${fpc_version}")
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    message(STATUS "Found Freepascal: ${fpc_executable} (version ${fpc_vers_major}.${fpc_vers_minor})")
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    math(EXPR fpc_version "${fpc_vers_major}*10000 + ${fpc_vers_minor}*100 + ${fpc_vers_patch}")
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    if(fpc_version LESS "020200")
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        message(FATAL_ERROR "Minimum required version of FreePascal is 2.2.0")
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    elseif(APPLE AND (fpc_version LESS "020600"))
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        message(FATAL_ERROR "Minimum required version of FreePascal is 2.6.0 on Mac OS X")
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    endif()
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else()
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    message(FATAL_ERROR "No FreePascal compiler found!")
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endif()
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message(STATUS "Checking whether linker supports noexecstack flag")
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set(noexecstack_flags "-k-z" "-knoexecstack")
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file(WRITE ${EXECUTABLE_OUTPUT_PATH}/checkstack.pas "begin end.")
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execute_process(COMMAND ${fpc_executable} ${noexecstack_flags} checkstack.pas
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    WORKING_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}
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    RESULT_VARIABLE testnoexecstack
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    OUTPUT_QUIET ERROR_QUIET
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    )
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if(${testnoexecstack})
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    set (noexecstack_flags "")
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    message(STATUS "Checking whether linker supports noexecstack flag -- no")
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else(${testnoexecstack})
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    message(STATUS "Checking whether linker supports noexecstack flag -- yes")
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endif(${testnoexecstack})
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#DEPENDECIES AND EXECUTABLES SECTION
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if(APPLE)
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    string(REGEX MATCH "[pP][pP][cC]+" powerpc_build "${CMAKE_OSX_ARCHITECTURES}")
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    string(REGEX MATCH "[iI]386+" i386_build "${CMAKE_OSX_ARCHITECTURES}")
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    string(REGEX MATCH "[xX]86_64+" x86_64_build "${CMAKE_OSX_ARCHITECTURES}")
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    if(powerpc_build)
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        set(powerpc_build "powerpc")
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    endif()
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    #on OSX we need to provide the SDL_main() function when building as executable
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    if(NOT BUILD_ENGINE_LIBRARY)
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        #let's look for the installed sdlmain file; if it is not found, let's build our own
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        find_package(SDL REQUIRED)
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        #remove the ";-framework Cocoa" from the SDL_LIBRARY variable
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        string(REGEX REPLACE "(.*);-.*" "\\1" sdl_dir "${SDL_LIBRARY}")
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        #find libsdmain.a
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        find_file(SDLMAIN_LIB libSDLMain.a PATHS ${sdl_dir}/Resources/)
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        if(SDLMAIN_LIB MATCHES "SDLMAIN_LIB-NOTFOUND")
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            include_directories(${SDL_INCLUDE_DIR})
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            add_library (SDLmain STATIC SDLMain.m)
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            #add a dependency to the hwengine target
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            set(engine_sources ${engine_sources} SDLmain)
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            set(SDLMAIN_LIB "${LIBRARY_OUTPUT_PATH}/libSDLmain.a")
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        endif()
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        set(pascal_flags "-k${SDLMAIN_LIB}" ${pascal_flags})
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    endif()
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    set(pascal_flags "-k${LIBRARY_OUTPUT_PATH}/libphysfs.a" ${pascal_flags})
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endif(APPLE)
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if(NOT NOPNG)
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    find_package(PNG)
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    if(${PNG_FOUND})
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        set(pascal_flags "-dPNG_SCREENSHOTS" ${pascal_flags})
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        if(APPLE)  # fpc png unit doesn't pull the library (see bug 21833)
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            set(pascal_flags "-k${PNG_LIBRARY}" ${pascal_flags})
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        endif()
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    else()
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        message(WARNING "Screenshots will be in BMP format because libpng was not found")
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    endif()
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else()
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    message(STATUS "Screenshots will be in BMP format per user request")
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endif()
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#this command is a workaround to some inlining issues present in older FreePascal versions and fixed in 2.6
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if(fpc_version LESS "020600")
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    #under some configurations CMAKE_BUILD_TOOL fails to pass on the jobserver, breaking parallel compilation
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    #TODO: check if this is needed on windows too
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    if(UNIX)
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        set(SAFE_BUILD_TOOL $(MAKE))
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    else()
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        set(SAFE_BUILD_TOOL ${CMAKE_BUILD_TOOL})
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    endif()
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    add_custom_target(ENGINECLEAN COMMAND ${SAFE_BUILD_TOOL} "clean" "${PROJECT_BINARY_DIR}" "${hedgewars_SOURCE_DIR}/hedgewars")
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endif()
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if(NOT NOVIDEOREC)
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    set(FFMPEG_FIND_QUIETLY true)
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    find_package(FFMPEG)
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    if(${FFMPEG_FOUND})
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        # TODO: this check is only for SDL < 2
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        # fpc will take care of linking but we need to have this library installed
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        find_package(GLUT REQUIRED)
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        #TODO: convert avwrapper to .pas unit so we can skip this step
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        include_directories(${FFMPEG_INCLUDE_DIR})
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        set(pascal_flags "-dUSE_VIDEO_RECORDING" ${pascal_flags})
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        IF (WIN32)
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            # there are some problems with linking our avwrapper as static lib, so link it as shared
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            add_library(avwrapper SHARED avwrapper.c)
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            target_link_libraries(avwrapper ${FFMPEG_LIBRARIES})
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            install(PROGRAMS "${EXECUTABLE_OUTPUT_PATH}/${CMAKE_SHARED_LIBRARY_PREFIX}avwrapper${CMAKE_SHARED_LIBRARY_SUFFIX}" DESTINATION ${target_dir})
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        ELSE()
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            add_library(avwrapper STATIC avwrapper.c)
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            set(pascal_flags "-k${FFMPEG_LIBAVCODEC}" "-k${FFMPEG_LIBAVFORMAT}" "-k${FFMPEG_LIBAVUTIL}" ${pascal_flags})
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        ENDIF()
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    else()
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        message(WARNING "Could NOT find FFMPEG/LibAV, video recording will be disabled")
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    endif()
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else()
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    message(STATUS "Video recording disabled by user")
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endif()
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set(pascal_flags "-Fl${LIBRARY_OUTPUT_PATH}" ${pascal_flags})
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set(fpc_flags ${noexecstack_flags} ${pascal_flags} ${hwengine_project})
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IF(NOT APPLE)
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    #here is the command for standard executables or for shared library
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    add_custom_command(OUTPUT "${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}${CMAKE_EXECUTABLE_SUFFIX}"
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        COMMAND "${fpc_executable}"
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        ARGS ${fpc_flags}
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        MAIN_DEPENDENCY ${hwengine_project}
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        DEPENDS ${engine_sources}
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        )
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ELSE()
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    #these are the dependencies for building a universal binary on Mac OS X
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    foreach (build_arch ${powerpc_build} ${i386_build} ${x86_64_build})
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        set(lipo_args_list "${EXECUTABLE_OUTPUT_PATH}/hwengine.${build_arch}" ${lipo_args_list})
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        add_custom_command(OUTPUT "${EXECUTABLE_OUTPUT_PATH}/hwengine.${build_arch}"
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            COMMAND "${fpc_executable}"
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            ARGS ${fpc_flags} -ohwengine.${build_arch} -P${build_arch}
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            MAIN_DEPENDENCY ${hwengine_project}
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            DEPENDS ${engine_sources}
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            )
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        add_custom_target(hwengine.${build_arch} ALL DEPENDS "${EXECUTABLE_OUTPUT_PATH}/hwengine.${build_arch}")
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    endforeach()
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    add_custom_command(OUTPUT "${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}"
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        COMMAND "lipo"
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        ARGS ${lipo_args_list} -create -output ${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}
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        DEPENDS ${lipo_args_list}
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        )
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ENDIF()
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add_custom_target(${engine_output_name} ALL DEPENDS "${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}${CMAKE_EXECUTABLE_SUFFIX}")
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#when system Lua is not found we need to compile it before engine
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if(NOT LUA_FOUND)
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    add_dependencies(${engine_output_name} lua)
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endif()
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# compile physfs before engine
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add_dependencies(${engine_output_name} physfs)
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#when ffmpeg/libav is found we need to compile it before engine
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#TODO: convert avwrapper to .pas unit so we can skip this step
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if(${FFMPEG_FOUND})
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    add_dependencies(${engine_output_name} avwrapper)
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endif()
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#this command is a workaround to some inlining issues present in older FreePascal versions and fixed in 2.6
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6cc558a69b58 countless small optimisation for cmake, output messages are now coherent (mostly) and the options get fully respected (eg. skipping library search if not activated)
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if((fpc_version LESS "020600") AND (NOVIDEOREC OR NOT ${FFMPEG_FOUND}))
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    add_dependencies(${engine_output_name} ENGINECLEAN)
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endif()
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install(PROGRAMS "${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}${CMAKE_EXECUTABLE_SUFFIX}" DESTINATION ${target_dir})