146 lines
5.8 KiB
CMake
146 lines
5.8 KiB
CMake
#
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# CMakeD - CMake module for D Language
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#
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# Copyright (c) 2007, Selman Ulug <selman.ulug@gmail.com>
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# Tim Burrell <tim.burrell@gmail.com>
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#
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# All rights reserved.
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#
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# See Copyright.txt for details.
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#
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# Modified from CMake 2.6.5 CMakeDetermineCCompiler.cmake
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# See http://www.cmake.org/HTML/Copyright.html for details
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#
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# determine the compiler to use for D programs
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# NOTE, a generator may set CMAKE_D_COMPILER before
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# loading this file to force a compiler.
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# use environment variable DC first if defined by user, next use
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# the cmake variable CMAKE_GENERATOR_D which can be defined by a generator
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# as a default compiler
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IF(NOT CMAKE_D_COMPILER)
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SET(CMAKE_D_COMPILER_INIT NOTFOUND)
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# prefer the environment variable DC
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IF($ENV{DC} MATCHES ".+")
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GET_FILENAME_COMPONENT(CMAKE_D_COMPILER_INIT $ENV{DC} PROGRAM PROGRAM_ARGS CMAKE_D_FLAGS_ENV_INIT)
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IF(CMAKE_D_FLAGS_ENV_INIT)
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SET(CMAKE_D_COMPILER_ARG1 "${CMAKE_D_FLAGS_ENV_INIT}" CACHE STRING "First argument to D compiler")
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ENDIF(CMAKE_D_FLAGS_ENV_INIT)
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IF(NOT EXISTS ${CMAKE_D_COMPILER_INIT})
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MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable C:\n$ENV{DC}.")
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ENDIF(NOT EXISTS ${CMAKE_D_COMPILER_INIT})
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ENDIF($ENV{DC} MATCHES ".+")
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# next try prefer the compiler specified by the generator
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IF(CMAKE_GENERATOR_D)
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IF(NOT CMAKE_D_COMPILER_INIT)
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SET(CMAKE_D_COMPILER_INIT ${CMAKE_GENERATOR_D})
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ENDIF(NOT CMAKE_D_COMPILER_INIT)
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ENDIF(CMAKE_GENERATOR_D)
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# finally list compilers to try
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IF(CMAKE_D_COMPILER_INIT)
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SET(CMAKE_D_COMPILER_LIST ${CMAKE_D_COMPILER_INIT})
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ELSE(CMAKE_D_COMPILER_INIT)
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SET(CMAKE_D_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gdc ${_CMAKE_TOOLCHAIN_PREFIX}dmd)
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ENDIF(CMAKE_D_COMPILER_INIT)
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# Find the compiler.
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IF (_CMAKE_USER_D_COMPILER_PATH)
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FIND_PROGRAM(CMAKE_D_COMPILER NAMES ${CMAKE_D_COMPILER_LIST} PATHS ${_CMAKE_USER_D_COMPILER_PATH} DOC "D compiler" NO_DEFAULT_PATH)
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ENDIF (_CMAKE_USER_D_COMPILER_PATH)
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FIND_PROGRAM(CMAKE_D_COMPILER NAMES ${CMAKE_D_COMPILER_LIST} DOC "D compiler")
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IF(CMAKE_D_COMPILER_INIT AND NOT CMAKE_D_COMPILER)
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SET(CMAKE_D_COMPILER "${CMAKE_D_COMPILER_INIT}" CACHE FILEPATH "D compiler" FORCE)
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ENDIF(CMAKE_D_COMPILER_INIT AND NOT CMAKE_D_COMPILER)
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ELSE (NOT CMAKE_D_COMPILER)
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# we only get here if CMAKE_D_COMPILER was specified using -D or a pre-made CMakeCache.txt
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# (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE
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# if CMAKE_D_COMPILER is a list of length 2, use the first item as
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# CMAKE_D_COMPILER and the 2nd one as CMAKE_D_COMPILER_ARG1
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LIST(LENGTH CMAKE_D_COMPILER _CMAKE_D_COMPILER_LIST_LENGTH)
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IF("${_CMAKE_D_COMPILER_LIST_LENGTH}" EQUAL 2)
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LIST(GET CMAKE_D_COMPILER 1 CMAKE_D_COMPILER_ARG1)
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LIST(GET CMAKE_D_COMPILER 0 CMAKE_D_COMPILER)
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ENDIF("${_CMAKE_D_COMPILER_LIST_LENGTH}" EQUAL 2)
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# if a compiler was specified by the user but without path,
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# now try to find it with the full path
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# if it is found, force it into the cache,
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# if not, don't overwrite the setting (which was given by the user) with "NOTFOUND"
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# if the C compiler already had a path, reuse it for searching the CXX compiler
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GET_FILENAME_COMPONENT(_CMAKE_USER_D_COMPILER_PATH "${CMAKE_D_COMPILER}" PATH)
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IF(NOT _CMAKE_USER_D_COMPILER_PATH)
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FIND_PROGRAM(CMAKE_D_COMPILER_WITH_PATH NAMES ${CMAKE_D_COMPILER})
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MARK_AS_ADVANCED(CMAKE_D_COMPILER_WITH_PATH)
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IF(CMAKE_D_COMPILER_WITH_PATH)
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SET(CMAKE_D_COMPILER ${CMAKE_D_COMPILER_WITH_PATH} CACHE STRING "D compiler" FORCE)
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ENDIF(CMAKE_D_COMPILER_WITH_PATH)
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ENDIF(NOT _CMAKE_USER_D_COMPILER_PATH)
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ENDIF(NOT CMAKE_D_COMPILER)
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MARK_AS_ADVANCED(CMAKE_D_COMPILER)
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IF (NOT _CMAKE_TOOLCHAIN_LOCATION)
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GET_FILENAME_COMPONENT(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_D_COMPILER}" PATH)
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ENDIF (NOT _CMAKE_TOOLCHAIN_LOCATION)
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# Build a small source file to identify the compiler.
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IF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
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SET(CMAKE_D_COMPILER_ID_RUN 1)
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SET(CMAKE_D_PLATFORM_ID "Windows")
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# TODO: Set the compiler id. It is probably MSVC but
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# the user may be using an integrated Intel compiler.
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# SET(CMAKE_D_COMPILER_ID "MSVC")
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ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
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IF(NOT CMAKE_D_COMPILER_ID_RUN)
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SET(CMAKE_D_COMPILER_ID_RUN 1)
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# Each entry in this list is a set of extra flags to try
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# adding to the compile line to see if it helps produce
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# a valid identification file.
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SET(CMAKE_D_COMPILER_ID_TEST_FLAGS
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# Try compiling to an object file only.
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"-c"
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)
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# Try to identify the compiler.
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SET(CMAKE_D_COMPILER_ID)
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FIND_FILE(CMAKE_PLATFORM_ID_CONTENT_FILE CMakePlatformId.di.in
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PATHS ${CMAKE_ROOT}/Modules ${CMAKE_MODULE_PATH})
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FILE(READ ${CMAKE_PLATFORM_ID_CONTENT_FILE} CMAKE_D_COMPILER_ID_PLATFORM_CONTENT)
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INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake)
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CMAKE_DETERMINE_COMPILER_ID(D DFLAGS CMakeDCompilerId.d)
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# Set old compiler and platform id variables.
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IF("${CMAKE_D_COMPILER_ID}" MATCHES "GNU")
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SET(CMAKE_COMPILER_IS_GDC 1)
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ENDIF("${CMAKE_D_COMPILER_ID}" MATCHES "GNU")
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IF("${CMAKE_D_PLATFORM_ID}" MATCHES "MinGW")
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SET(CMAKE_COMPILER_IS_MINGW 1)
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ELSEIF("${CMAKE_D_PLATFORM_ID}" MATCHES "Cygwin")
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SET(CMAKE_COMPILER_IS_CYGWIN 1)
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ENDIF("${CMAKE_D_PLATFORM_ID}" MATCHES "MinGW")
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ENDIF(NOT CMAKE_D_COMPILER_ID_RUN)
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INCLUDE(CMakeFindBinUtils)
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IF(MSVC_D_ARCHITECTURE_ID)
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SET(SET_MSVC_D_ARCHITECTURE_ID
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"SET(MSVC_D_ARCHITECTURE_ID ${MSVC_D_ARCHITECTURE_ID})")
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ENDIF(MSVC_D_ARCHITECTURE_ID)
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# configure variables set in this file for fast reload later on
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FIND_FILE(CMAKE_D_COMPILER_CMAKE_IN CMakeDCompiler.cmake.in
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PATHS ${CMAKE_ROOT} ${CMAKE_MODULE_PATH})
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CONFIGURE_FILE(${CMAKE_D_COMPILER_CMAKE_IN}
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${CMAKE_PLATFORM_INFO_DIR}/CMakeDCompiler.cmake
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@ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0
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)
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SET(CMAKE_D_COMPILER_ENV_VAR "DC")
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