cmake_modules/FindFreepascal.cmake
author Michael Hartman <omh1280@gmail.com>
Sun, 30 Dec 2012 09:23:30 -0500
branchwebgl
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# Load Freepascal
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if (FPC)
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    set(FPC_EXECUTABLE ${FPC})
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else()
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    find_program(FPC_EXECUTABLE
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        NAMES fpc
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        PATHS /opt/local/bin /usr/local/bin /usr/bin)
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endif()
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# Check Freepascal version
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if (FPC_EXECUTABLE)
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    exec_program(${FPC_EXECUTABLE} ARGS "-v" OUTPUT_VARIABLE FPC_VERSION_FULL)
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    string(REGEX MATCH "[0-9]+\\.[0-9]+" FPC_VERSION_LONG "${FPC_VERSION_FULL}")
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    string(REGEX REPLACE "([0-9]+\\.[0-9]+)" "\\1" FPC_VERSION "${FPC_VERSION_LONG}")
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    message(STATUS "Found Freepascal: ${FPC_EXECUTABLE} (version ${FPC_VERSION})")
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else()
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    message(FATAL_ERROR "Could NOT find Freepascal")
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endif()
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# Check for noexecstack flag support
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message(STATUS "Checking whether linker needs explicit noexecstack")
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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 TEST_NOEXECSTACK
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    OUTPUT_QUIET ERROR_QUIET)
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if (TEST_NOEXECSTACK)
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    set(NOEXECSTACK_FLAGS "")
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    message(STATUS "Checking whether linker needs explicit noexecstack -- no")
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else(TEST_NOEXECSTACK)
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    message(STATUS "Checking whether linker needs explicit noexecstack -- yes")
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endif(TEST_NOEXECSTACK)
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