cmake_modules/CMakeDeterminePascalCompiler.cmake
author koda
Tue, 26 Mar 2013 01:43:34 +0100
branchcmake_pascal
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child 8859 bead90828a94
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add and use the integrated version check
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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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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 ${CMAKE_Pascal_COMPILER} -iV
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                  OUTPUT_VARIABLE CMAKE_Pascal_COMPILER_VERSION
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                  OUTPUT_STRIP_TRAILING_WHITESPACE
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                  ) # we assume no error for something so simple
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endif(NOT CMAKE_Pascal_COMPILER_VERSION)
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mark_as_advanced(CMAKE_Pascal_COMPILER_VERSION)
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GET_FILENAME_COMPONENT(COMPILER_LOCATION "${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")