cmake_modules/CheckHaskellModuleExists.cmake
author Wuzzy <Wuzzy2@mail.ru>
Wed, 25 Oct 2017 23:09:41 +0200
changeset 12768 ad67a3804981
parent 12118 72f5d670bbee
permissions -rw-r--r--
Fix sometimes ammo schemes not being saved after changing before an ammo scheme got deleted in session This was because the bool isDeleting is not initialized, so its initial value is unpredictable. Which means there's chance it starts with true, confusing the frontend.
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# Based on CheckLibraryExists.cmake from CMake
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#=============================================================================
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# Copyright 2002-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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macro(CHECK_HASKELL_MODULE_EXISTS MODULE FUNCTION PARAMCOUNT LIBRARY)
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  set(VARIABLE "HS_MODULE_${LIBRARY}_${FUNCTION}")
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  if(${VARIABLE} MATCHES ^${VARIABLE}$)
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    message(STATUS "Looking for ${FUNCTION} in ${MODULE}")
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    set(PARAMETERS "")
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    if(PARAMCOUNT GREATER 0)
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        foreach(__TRASH__ RANGE 1 ${PARAMCOUNT})
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            set(PARAMETERS "${PARAMETERS} undefined")
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        endforeach()
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    endif()
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    #set(PARAMETERS "")
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    execute_process(COMMAND ${GHC_EXECUTABLE}
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                    "-DMODULE=${MODULE}"
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                    "-DFUNCTION=${FUNCTION}"
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                    "-DPARAMETERS=${PARAMETERS}"
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                    -hide-all-packages
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                    -package ${LIBRARY}
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                    -package base
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                    -cpp
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                    -c "${CMAKE_MODULE_PATH}/checkModule.hs"
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                    RESULT_VARIABLE COMMAND_RESULT
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                    ERROR_VARIABLE BUILD_ERROR
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                    OUTPUT_STRIP_TRAILING_WHITESPACE
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                    )
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    if(${COMMAND_RESULT} EQUAL 0)
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      message(STATUS "Looking for ${FUNCTION} in ${MODULE} - found")
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      set(${VARIABLE} 1 CACHE INTERNAL "Have module ${MODULE}")
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      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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        "Determining if the function ${FUNCTION} exists in the ${MODULE} passed\n\n")
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    else()
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      message(STATUS "Looking for ${FUNCTION} in ${MODULE} - not found")
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      set(${VARIABLE} "" CACHE INTERNAL "Have module ${MODULE}")
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      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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        "Determining if the function ${FUNCTION} exists in the ${MODULE} "
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        "failed with the following output:\n"
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        "${BUILD_ERROR}\n\n")
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      message(FATAL_ERROR "Haskell library '${LIBRARY}' required")
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    endif()
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  endif()
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endmacro()