cmake_modules/CMakeDeterminePascalCompiler.cmake
author nemo
Sat, 01 Mar 2014 14:52:36 -0500
changeset 10171 00f41ff0bf2d
parent 9517 217eacb69395
permissions -rw-r--r--
Script might well override a static map, but can't risk it not doing it, and preview completely failing. Better to just not try it for static maps. Some script cfg might help. Could also avoid unnnecessary preview regenerations even if the script was doing nothing at all.
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# Determine the compiler to use for Pascal programs
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# NOTE, a generator may set CMAKE_Pascal_COMPILER before
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# loading this file to force a compiler.
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# use environment variable Pascal first if defined by user, next use
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# the cmake variable CMAKE_GENERATOR_PASCAL which can be defined by a generator
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# as a default compiler
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# NOTE: on Darwin cmake >= 2.8.11 until cmake <= 2.8.12.1 will add an incompatible
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# -F flag to <FLAGS> so you won't be able to use those versions with this script
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if(NOT CMAKE_Pascal_COMPILER)
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    # prefer the environment variable FPC
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    if($ENV{FPC} MATCHES ".+")
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        get_filename_component(CMAKE_Pascal_COMPILER_INIT $ENV{FPC} PROGRAM PROGRAM_ARGS CMAKE_Pascal_FLAGS_ENV_INIT)
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        if(CMAKE_Pascal_FLAGS_ENV_INIT)
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            set(CMAKE_Pascal_COMPILER_ARG1 "${CMAKE_Pascal_FLAGS_ENV_INIT}" CACHE STRING "First argument to Pascal compiler")
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        endif(CMAKE_Pascal_FLAGS_ENV_INIT)
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        if(EXISTS ${CMAKE_Pascal_COMPILER_INIT})
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        else(EXISTS ${CMAKE_Pascal_COMPILER_INIT})
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            message(FATAL_ERROR "Could not find compiler set in environment variable FPC:\n$ENV{FPC}.")
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        endif(EXISTS ${CMAKE_Pascal_COMPILER_INIT})
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    endif($ENV{FPC} MATCHES ".+")
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    # next try prefer the compiler specified by the generator
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    if(CMAKE_GENERATOR_PASCAL)
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        if(NOT CMAKE_Pascal_COMPILER_INIT)
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            set(CMAKE_Pascal_COMPILER_INIT ${CMAKE_GENERATOR_PASCAL})
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        endif(NOT CMAKE_Pascal_COMPILER_INIT)
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    endif(CMAKE_GENERATOR_PASCAL)
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    # finally list compilers to try
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    if(CMAKE_Pascal_COMPILER_INIT)
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        set(CMAKE_Pascal_COMPILER_LIST ${CMAKE_Pascal_COMPILER_INIT})
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    else(CMAKE_Pascal_COMPILER_INIT)
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        set(CMAKE_Pascal_COMPILER_LIST fpc)
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    endif(CMAKE_Pascal_COMPILER_INIT)
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    # Find the compiler.
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    find_program(CMAKE_Pascal_COMPILER NAMES ${CMAKE_Pascal_COMPILER_LIST} DOC "Pascal compiler")
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    if(CMAKE_Pascal_COMPILER_INIT AND NOT CMAKE_Pascal_COMPILER)
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        set(CMAKE_Pascal_COMPILER "${CMAKE_Pascal_COMPILER_INIT}" CACHE FILEPATH "Pascal compiler" FORCE)
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    endif(CMAKE_Pascal_COMPILER_INIT AND NOT CMAKE_Pascal_COMPILER)
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endif(NOT CMAKE_Pascal_COMPILER)
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mark_as_advanced(CMAKE_Pascal_COMPILER)
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if(NOT CMAKE_Pascal_COMPILER_VERSION)
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    execute_process(COMMAND ${CMAKE_Pascal_COMPILER} -iV
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                    OUTPUT_VARIABLE CMAKE_Pascal_COMPILER_VERSION
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                    OUTPUT_STRIP_TRAILING_WHITESPACE
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                    ) # we assume no error for something so simple
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    set(CMAKE_Pascal_COMPILER_ARG1 "-l- -v0ewn")
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endif(NOT CMAKE_Pascal_COMPILER_VERSION)
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mark_as_advanced(CMAKE_Pascal_COMPILER_VERSION)
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get_filename_component(COMPILER_LOCATION "${CMAKE_Pascal_COMPILER}" PATH)
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# configure variables set in this file for fast reload later on
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if(${CMAKE_VERSION} VERSION_LESS 2.8.10)
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    configure_file(${CMAKE_MODULE_PATH}/CMakePascalCompiler.cmake.in
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                   "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakePascalCompiler.cmake"
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                   IMMEDIATE )
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else(${CMAKE_VERSION} VERSION_LESS 2.8.10)
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    configure_file(${CMAKE_MODULE_PATH}/CMakePascalCompiler.cmake.in
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                  "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/${CMAKE_VERSION}/CMakePascalCompiler.cmake"
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                   IMMEDIATE )
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endif(${CMAKE_VERSION} VERSION_LESS 2.8.10)
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set(CMAKE_Pascal_COMPILER_ENV_VAR "FPC")
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