hedgewars/CMakeLists.txt
author koda
Wed, 23 May 2012 00:45:37 +0200
changeset 7109 af3a43a46f21
parent 7031 d5ea24399a48
child 7112 38c5d56c4d6e
permissions -rw-r--r--
there a libSDLMain.a in the bundled SDL framework
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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(${CMAKE_MODULE_PATH}/FindSDL_Extras.cmake)
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configure_file(${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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    SDLh.pas
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    PNGh.pas
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    uAI.pas
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    uAIActions.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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    uDebug.pas
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    uFloat.pas
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    uGame.pas
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    uGears.pas
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    uGearsRender.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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    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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    uTypes.pas
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    uUtils.pas
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    uVariables.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(engine_sources ${hwengine_project} PascalExports.pas ${engine_sources})
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    set(pascal_compiler_flags_cmn "-dHWLIBRARY" ${pascal_compiler_flags_cmn})
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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_compiler_flags_cmn "-Cg" ${pascal_compiler_flags_cmn})
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    endif(CMAKE_SIZEOF_VOID_P MATCHES "8")
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    # due to compiling/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_compiler_flags_cmn "-k-no_order_inits" ${pascal_compiler_flags_cmn})
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    endif()
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    if (APPLE)
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        set(engine_output_name "hwengine.dylib")
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    endif (APPLE)
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endif(BUILD_ENGINE_LIBRARY)
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IF(FPC)
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    set(fpc_executable ${FPC})
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ELSE()
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    find_program(fpc_executable fpc)
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ENDIF()
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if(fpc_executable)
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    exec_program(${fpc_executable} ARGS "-iV" OUTPUT_VARIABLE fpc_output)
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endif(fpc_executable)
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set(noexecstack_flags "-k-z" "-knoexecstack")
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file(WRITE ${EXECUTABLE_OUTPUT_PATH}/checkstack.pas "begin end.")
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exec_program(${fpc_executable} ${EXECUTABLE_OUTPUT_PATH}
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    ARGS ${noexecstack_flags} checkstack.pas
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    OUTPUT_VARIABLE noout
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    RETURN_VALUE testnoexecstack
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    )
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if(${testnoexecstack})
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    set (noexecstack_flags "")
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endif(${testnoexecstack})
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if(APPLE)
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    string(REGEX MATCH "[pP][pP][cC]+" powerpc_build "${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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endif(APPLE)
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#PASCAL DETECTION SECTION
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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 "Freepascal version installed: ${fpc_vers_major}.${fpc_vers_minor}")
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    math(EXPR fpc_ver "${fpc_vers_major}*10000 + ${fpc_vers_minor}*100 + ${fpc_vers_patch}")
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    if(fpc_ver LESS "020200")
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        message(FATAL_ERROR "Minimum required version of FreePascal is 2.2.0")
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    elseif(APPLE AND (fpc_ver LESS "020600"))
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        message(FATAL_ERROR "Minimum required version of FreePascal is 2.6.0 on Mac OS X")
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    endif()
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else()
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    message(FATAL_ERROR "No FreePascal compiler found!")
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endif()
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#DEPENDECIES AND EXECUTABLES SECTION
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find_package(PNG)
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if(${PNG_FOUND})
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    message(STATUS "PNG screenshots enabled (library found at ${PNG_LIBRARY})")
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    set(pascal_compiler_flags_cmn "-dPNG_SCREENSHOTS" ${pascal_compiler_flags_cmn})
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    if(APPLE)  # need to explictly link with the static lib
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        string(REGEX REPLACE "(.*)libpng.*" "\\1" PNG_LIBDIR "${PNG_LIBRARY}")
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        set(pascal_compiler_flags_cmn "-k${PNG_LIBDIR}/libpng.a" ${pascal_compiler_flags_cmn})
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    endif()
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else()
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    message(STATUS "PNG library not found, switching to screenshots in BMP format")
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endif()
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set(pascal_compiler ${fpc_executable})
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set(pascal_compiler_flags ${noexecstack_flags} ${pascal_compiler_flags_cmn} ${hwengine_project})
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IF(NOT APPLE)
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    #here is the command for standard executables or for shared library
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    add_custom_command(OUTPUT "${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}${CMAKE_EXECUTABLE_SUFFIX}"
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        COMMAND "${pascal_compiler}"
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        ARGS ${pascal_compiler_flags}
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        MAIN_DEPENDENCY ${hwengine_project}
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        DEPENDS ${engine_sources}
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        )
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ELSE()
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    #on OSX we need to provide the main() function when building as executable
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    if(NOT BUILD_ENGINE_LIBRARY)
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        #let's look for the bundled sdlmain, if not found build our own
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        find_package(SDL REQUIRED)
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        #remove the ";-framework Cocoa" from the SDL_LIBRARY variable
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        string(REGEX REPLACE "(.*);-.*" "\\1" sdl_dir "${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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            set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
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            include_directories(${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 ${engine_sources} "SDLmain")
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            set(SDLMAIN_LIB "${CMAKE_BINARY_DIR}/bin/libSDLmain.a")
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        endif()
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        set(pascal_compiler_flags "-k${SDLMAIN_LIB}" ${pascal_compiler_flags})
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    endif()
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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.${build_arch}"
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            COMMAND "${pascal_compiler}"
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            ARGS ${pascal_compiler_flags} -ohwengine.${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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#this command is a workaround to some inlining issues present in older
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# FreePascal versions and fixed in 2.6, That version is mandatory on OSX,
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# hence the command is not needed there
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if(NOT APPLE)
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    add_custom_target(ENGINECLEAN COMMAND ${CMAKE_BUILD_TOOL} "clean" "${PROJECT_BINARY_DIR}" "${hedgewars_SOURCE_DIR}/hedgewars")
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    add_dependencies(${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})
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