cmake_modules/CMakeTestPascalCompiler.cmake
author Wuzzy <Wuzzy2@mail.ru>
Fri, 11 Oct 2019 18:56:50 +0200
changeset 15472 e1467bced64d
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permissions -rw-r--r--
Dynamite handler: Exit early when drowning
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# This file is used by EnableLanguage in cmGlobalGenerator to determine that
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# the FreePascal can actually compile and link the most basic of programs.
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# If not, a fatal error is set, cmake stops processing commands and will not
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# generate any makefiles or projects.
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if(NOT CMAKE_Pascal_COMPILER_WORKS)
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    message(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER}")
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    file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/testpascalcompiler.pas
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         "program testPascalCompiler;
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          begin
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          end.
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         ")
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    file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/CMakeLists.txt
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         "set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake_modules)
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          set(CMAKE_VERBOSE_MAKEFILE ON CACHE BOOL \"\" FORCE)
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          project(test Pascal)
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          add_executable(testpascalcompiler testpascalcompiler.pas)
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         ")
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# To avoid try_compile recurse error, use any binary directory other
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# than ${CMAKE_BINARY_DIR}. The choice of
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# bindir = ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp is
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# especially advantageous since it makes an in-source build which
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# means that no special variables need to be set to find files.
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    try_compile(CMAKE_Pascal_COMPILER_WORKS
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                ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp
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                ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp
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                test
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                OUTPUT_VARIABLE RESULT_OUTPUT
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                )
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    set(PASCAL_TEST_WAS_RUN 1)
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endif(NOT CMAKE_Pascal_COMPILER_WORKS)
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if(NOT CMAKE_Pascal_COMPILER_WORKS)
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    message(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER} -- broken")
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    file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeError.log
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         "Determining if the Pascal compiler works failed with "
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         "the following output:\n${RESULT_OUTPUT}\n\n")
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    message(FATAL_ERROR "The Pascal builder \"${CMAKE_Pascal_COMPILER}\" "
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            "is not able to compile and link a simple test program.\nIt fails "
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            "with the following output:\n ${RESULT_OUTPUT}\n\n"
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            "CMake will not be able to correctly generate this project.")
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else(NOT CMAKE_Pascal_COMPILER_WORKS)
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    if(PASCAL_TEST_WAS_RUN)
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        message(STATUS "Check for working Pascal compiler: ${CMAKE_Pascal_COMPILER} -- works")
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        file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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             "Determining if the Pascal compiler works passed with "
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             "the following output:\n${RESULT_OUTPUT}\n\n")
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    endif(PASCAL_TEST_WAS_RUN)
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    set(CMAKE_Pascal_COMPILER_WORKS 1 CACHE INTERNAL "")
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endif(NOT CMAKE_Pascal_COMPILER_WORKS)
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