73 lines
2.9 KiB
CMake
73 lines
2.9 KiB
CMake
|
|
#=============================================================================
|
|
# Copyright 2004-2012 Kitware, Inc.
|
|
#
|
|
# Distributed under the OSI-approved BSD License (the "License");
|
|
# see accompanying file Copyright.txt for details.
|
|
#
|
|
# This software is distributed WITHOUT ANY WARRANTY; without even the
|
|
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
# See the License for more information.
|
|
#=============================================================================
|
|
# (To distribute this file outside of CMake, substitute the full
|
|
# License text for the above reference.)
|
|
|
|
macro(_cmake_find_compiler lang)
|
|
# Use already-enabled languages for reference.
|
|
get_property(_languages GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
list(REMOVE_ITEM _languages "${lang}")
|
|
|
|
if(CMAKE_${lang}_COMPILER_INIT)
|
|
# Search only for the specified compiler.
|
|
set(CMAKE_${lang}_COMPILER_LIST "${CMAKE_${lang}_COMPILER_INIT}")
|
|
else()
|
|
# Re-order the compiler list with preferred vendors first.
|
|
set(_${lang}_COMPILER_LIST "${CMAKE_${lang}_COMPILER_LIST}")
|
|
set(CMAKE_${lang}_COMPILER_LIST "")
|
|
# Prefer vendors of compilers from reference languages.
|
|
foreach(l ${_languages})
|
|
list(APPEND CMAKE_${lang}_COMPILER_LIST
|
|
${_${lang}_COMPILER_NAMES_${CMAKE_${l}_COMPILER_ID}})
|
|
endforeach()
|
|
# Prefer vendors based on the platform.
|
|
list(APPEND CMAKE_${lang}_COMPILER_LIST ${CMAKE_${lang}_COMPILER_NAMES})
|
|
# Append the rest of the list and remove duplicates.
|
|
list(APPEND CMAKE_${lang}_COMPILER_LIST ${_${lang}_COMPILER_LIST})
|
|
unset(_${lang}_COMPILER_LIST)
|
|
list(REMOVE_DUPLICATES CMAKE_${lang}_COMPILER_LIST)
|
|
if(CMAKE_${lang}_COMPILER_EXCLUDE)
|
|
list(REMOVE_ITEM CMAKE_${lang}_COMPILER_LIST
|
|
${CMAKE_${lang}_COMPILER_EXCLUDE})
|
|
endif()
|
|
endif()
|
|
|
|
# Look for directories containing compilers of reference languages.
|
|
set(_${lang}_COMPILER_HINTS)
|
|
foreach(l ${_languages})
|
|
if(CMAKE_${l}_COMPILER AND IS_ABSOLUTE "${CMAKE_${l}_COMPILER}")
|
|
get_filename_component(_hint "${CMAKE_${l}_COMPILER}" PATH)
|
|
if(IS_DIRECTORY "${_hint}")
|
|
list(APPEND _${lang}_COMPILER_HINTS "${_hint}")
|
|
endif()
|
|
unset(_hint)
|
|
endif()
|
|
endforeach()
|
|
|
|
# Find the compiler.
|
|
if(_${lang}_COMPILER_HINTS)
|
|
# Prefer directories containing compilers of reference languages.
|
|
list(REMOVE_DUPLICATES _${lang}_COMPILER_HINTS)
|
|
find_program(CMAKE_${lang}_COMPILER
|
|
NAMES ${CMAKE_${lang}_COMPILER_LIST}
|
|
PATHS ${_${lang}_COMPILER_HINTS}
|
|
NO_DEFAULT_PATH
|
|
DOC "${lang} compiler")
|
|
endif()
|
|
find_program(CMAKE_${lang}_COMPILER NAMES ${CMAKE_${lang}_COMPILER_LIST} DOC "${lang} compiler")
|
|
if(CMAKE_${lang}_COMPILER_INIT AND NOT CMAKE_${lang}_COMPILER)
|
|
set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_INIT}" CACHE FILEPATH "${lang} compiler" FORCE)
|
|
endif()
|
|
unset(_${lang}_COMPILER_HINTS)
|
|
unset(_languages)
|
|
endmacro()
|