# # CMakeD - CMake module for D Language # # Copyright (c) 2013, Selman Ulug # Tim Burrell # Dragos Carp # # All rights reserved. # # See LICENSE for details. # # Modified from CMake 2.6.5 CMakeDetermineCCompiler.cmake # See http://www.cmake.org/HTML/Copyright.html for details # # determine the compiler to use for D programs # NOTE, a generator may set CMAKE_D_COMPILER before # loading this file to force a compiler. # use environment variable DC first if defined by user, next use # the cmake variable CMAKE_GENERATOR_D which can be defined by a generator # as a default compiler if(NOT CMAKE_D_COMPILER) set(CMAKE_D_COMPILER_INIT NOTFOUND) # prefer the environment variable DC if($ENV{DC} MATCHES ".+") get_filename_component(CMAKE_D_COMPILER_INIT $ENV{DC} PROGRAM PROGRAM_ARGS CMAKE_D_FLAGS_ENV_INIT) if(CMAKE_D_FLAGS_ENV_INIT) set(CMAKE_D_COMPILER_ARG1 "${CMAKE_D_FLAGS_ENV_INIT}" CACHE STRING "First argument to D compiler") endif(CMAKE_D_FLAGS_ENV_INIT) if(NOT EXISTS ${CMAKE_D_COMPILER_INIT}) MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable C:\n$ENV{DC}.") endif(NOT EXISTS ${CMAKE_D_COMPILER_INIT}) endif($ENV{DC} MATCHES ".+") # next try prefer the compiler specified by the generator if(CMAKE_GENERATOR_D) if(NOT CMAKE_D_COMPILER_INIT) set(CMAKE_D_COMPILER_INIT ${CMAKE_GENERATOR_D}) endif(NOT CMAKE_D_COMPILER_INIT) endif(CMAKE_GENERATOR_D) # finally list compilers to try if(CMAKE_D_COMPILER_INIT) set(CMAKE_D_COMPILER_LIST ${CMAKE_D_COMPILER_INIT}) else(CMAKE_D_COMPILER_INIT) set(CMAKE_D_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gdc ${_CMAKE_TOOLCHAIN_PREFIX}dmd) endif(CMAKE_D_COMPILER_INIT) # Find the compiler. if(_CMAKE_USER_D_COMPILER_PATH) find_program(CMAKE_D_COMPILER NAMES ${CMAKE_D_COMPILER_LIST} PATHS ${_CMAKE_USER_D_COMPILER_PATH} DOC "D compiler" NO_DEFAULT_PATH) endif(_CMAKE_USER_D_COMPILER_PATH) find_program(CMAKE_D_COMPILER NAMES ${CMAKE_D_COMPILER_LIST} DOC "D compiler") if(CMAKE_D_COMPILER_INIT AND NOT CMAKE_D_COMPILER) set(CMAKE_D_COMPILER "${CMAKE_D_COMPILER_INIT}" CACHE FILEPATH "D compiler" FORCE) endif(CMAKE_D_COMPILER_INIT AND NOT CMAKE_D_COMPILER) else(NOT CMAKE_D_COMPILER) # we only get here if CMAKE_D_COMPILER was specified using -D or a pre-made CMakeCache.txt # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE # if CMAKE_D_COMPILER is a list of length 2, use the first item as # CMAKE_D_COMPILER and the 2nd one as CMAKE_D_COMPILER_ARG1 list(LENGTH CMAKE_D_COMPILER _CMAKE_D_COMPILER_LIST_LENGTH) if("${_CMAKE_D_COMPILER_LIST_LENGTH}" EQUAL 2) list(GET CMAKE_D_COMPILER 1 CMAKE_D_COMPILER_ARG1) list(GET CMAKE_D_COMPILER 0 CMAKE_D_COMPILER) endif("${_CMAKE_D_COMPILER_LIST_LENGTH}" EQUAL 2) # if a compiler was specified by the user but without path, # now try to find it with the full path # if it is found, force it into the cache, # if not, don't overwrite the setting (which was given by the user) with "NOTFOUND" # if the C compiler already had a path, reuse it for searching the CXX compiler get_filename_component(_CMAKE_USER_D_COMPILER_PATH "${CMAKE_D_COMPILER}" PATH) if(NOT _CMAKE_USER_D_COMPILER_PATH) find_program(CMAKE_D_COMPILER_WITH_PATH NAMES ${CMAKE_D_COMPILER}) mark_as_advanced(CMAKE_D_COMPILER_WITH_PATH) if(CMAKE_D_COMPILER_WITH_PATH) set(CMAKE_D_COMPILER ${CMAKE_D_COMPILER_WITH_PATH} CACHE STRING "D compiler" FORCE) endif(CMAKE_D_COMPILER_WITH_PATH) endif(NOT _CMAKE_USER_D_COMPILER_PATH) endif(NOT CMAKE_D_COMPILER) mark_as_advanced(CMAKE_D_COMPILER) if(NOT _CMAKE_TOOLCHAIN_LOCATION) get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_D_COMPILER}" PATH) endif(NOT _CMAKE_TOOLCHAIN_LOCATION) # Build a small source file to identify the compiler. if(${CMAKE_GENERATOR} MATCHES "Visual Studio") set(CMAKE_D_COMPILER_ID_RUN 1) set(CMAKE_D_PLATFORM_ID "Windows") # TODO: Set the compiler id. It is probably MSVC but # the user may be using an integrated Intel compiler. # set(CMAKE_D_COMPILER_ID "MSVC") endif(${CMAKE_GENERATOR} MATCHES "Visual Studio") if(NOT CMAKE_D_COMPILER_ID_RUN) set(CMAKE_D_COMPILER_ID_RUN 1) # Each entry in this list is a set of extra flags to try # adding to the compile line to see if it helps produce # a valid identification file. set(CMAKE_D_COMPILER_ID_TEST_FLAGS # Try compiling to an object file only. "-c" ) # Try to identify the compiler. set(CMAKE_D_COMPILER_ID) find_file(CMAKE_PLATFORM_ID_CONTENT_FILE CMakePlatformId.di.in PATHS ${CMAKE_ROOT}/Modules ${CMAKE_MODULE_PATH} NO_DEFAULT_PATH) file(READ ${CMAKE_PLATFORM_ID_CONTENT_FILE} CMAKE_D_COMPILER_ID_PLATFORM_CONTENT) find_file(CMAKE_D_COMPILER_ID_FILE_IN CMakeDCompilerId.d.in PATHS ${CMAKE_ROOT}/Modules ${CMAKE_MODULE_PATH} NO_DEFAULT_PATH) # Workaround for bug http://public.kitware.com/Bug/view.php?id=14481 # if CMAKE_MODULE_PATH is used, then patch ${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake get_filename_component(CMAKE_D_COMPILER_ID_FILE_IN_PATH ${CMAKE_D_COMPILER_ID_FILE_IN} PATH) if(CMAKE_MAJOR_VERSION GREATER 2 OR CMAKE_D_COMPILER_ID_FILE_IN_PATH STREQUAL ${CMAKE_ROOT}/Modules) include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake) else(CMAKE_D_COMPILER_ID_FILE_IN_PATH STREQUAL ${CMAKE_ROOT}/Modules) file(READ ${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake CMAKE_DETERMINE_COMPILER_ID_CMAKE_CONTENT) STRING(REPLACE "file(READ \${CMAKE_ROOT}/Modules/\${src}.in ID_CONTENT_IN)" "find_file(src_in \${src}.in PATHS \${CMAKE_ROOT}/Modules \${CMAKE_MODULE_PATH} NO_DEFAULT_PATH) file(READ \${src_in} ID_CONTENT_IN) unset(src_in CACHE)" CMAKE_DETERMINE_COMPILER_ID_CMAKE_CONTENT_PATCHED ${CMAKE_DETERMINE_COMPILER_ID_CMAKE_CONTENT}) file(WRITE ${CMAKE_PLATFORM_INFO_DIR}/CMakeDetermineCompilerId.cmake ${CMAKE_DETERMINE_COMPILER_ID_CMAKE_CONTENT_PATCHED}) include(${CMAKE_PLATFORM_INFO_DIR}/CMakeDetermineCompilerId.cmake) endif(CMAKE_MAJOR_VERSION GREATER 2 OR CMAKE_D_COMPILER_ID_FILE_IN_PATH STREQUAL ${CMAKE_ROOT}/Modules) CMAKE_DETERMINE_COMPILER_ID(D DFLAGS CMakeDCompilerId.d) unset(CMAKE_D_COMPILER_ID_FILE_IN CACHE) unset(CMAKE_PLATFORM_ID_CONTENT_FILE CACHE) # Set old compiler and platform id variables. if("${CMAKE_D_COMPILER_ID}" MATCHES "GNU") set(CMAKE_COMPILER_IS_GDC 1) endif("${CMAKE_D_COMPILER_ID}" MATCHES "GNU") if("${CMAKE_D_PLATFORM_ID}" MATCHES "MinGW") set(CMAKE_COMPILER_IS_MINGW 1) elseif("${CMAKE_D_PLATFORM_ID}" MATCHES "Cygwin") set(CMAKE_COMPILER_IS_CYGWIN 1) endif("${CMAKE_D_PLATFORM_ID}" MATCHES "MinGW") endif(NOT CMAKE_D_COMPILER_ID_RUN) include(CMakeFindBinUtils) if(MSVC_D_ARCHITECTURE_ID) set(SET_MSVC_D_ARCHITECTURE_ID "set(MSVC_D_ARCHITECTURE_ID ${MSVC_D_ARCHITECTURE_ID})") endif(MSVC_D_ARCHITECTURE_ID) # configure variables set in this file for fast reload later on find_file(CMAKE_D_COMPILER_CMAKE_IN CMakeDCompiler.cmake.in PATHS ${CMAKE_ROOT}/Modules ${CMAKE_MODULE_PATH} NO_DEFAULT_PATH) configure_file(${CMAKE_D_COMPILER_CMAKE_IN} ${CMAKE_PLATFORM_INFO_DIR}/CMakeDCompiler.cmake @ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0 ) set(CMAKE_D_COMPILER_ENV_VAR "DC")