diff options
Diffstat (limited to 'Modules/CMakeDetermineCompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCompiler.cmake | 75 |
1 files changed, 55 insertions, 20 deletions
diff --git a/Modules/CMakeDetermineCompiler.cmake b/Modules/CMakeDetermineCompiler.cmake index f522c4408..c37adaee1 100644 --- a/Modules/CMakeDetermineCompiler.cmake +++ b/Modules/CMakeDetermineCompiler.cmake @@ -1,16 +1,6 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. -#============================================================================= -# 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. @@ -65,21 +55,66 @@ macro(_cmake_find_compiler lang) 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 "${lang} compiler" FORCE) + set_property(CACHE CMAKE_${lang}_COMPILER PROPERTY VALUE "${CMAKE_${lang}_COMPILER_INIT}") endif() unset(_${lang}_COMPILER_HINTS) unset(_languages) # Look for a make tool provided by Xcode - if(CMAKE_${lang}_COMPILER STREQUAL "CMAKE_${lang}_COMPILER-NOTFOUND" AND CMAKE_HOST_APPLE) - foreach(comp ${CMAKE_${lang}_COMPILER_LIST}) - execute_process(COMMAND xcrun --find ${comp} + if(CMAKE_HOST_APPLE) + macro(_query_xcrun compiler_name result_var_keyword result_var) + if(NOT "x${result_var_keyword}" STREQUAL "xRESULT_VAR") + message(FATAL_ERROR "Bad arguments to macro") + endif() + execute_process(COMMAND xcrun --find ${compiler_name} OUTPUT_VARIABLE _xcrun_out OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_VARIABLE _xcrun_err) - if(_xcrun_out) - set_property(CACHE CMAKE_${lang}_COMPILER PROPERTY VALUE "${_xcrun_out}") - break() + set("${result_var}" "${_xcrun_out}") + endmacro() + + set(xcrun_result) + if (CMAKE_${lang}_COMPILER MATCHES "^/usr/bin/(.+)$") + _query_xcrun("${CMAKE_MATCH_1}" RESULT_VAR xcrun_result) + elseif (CMAKE_${lang}_COMPILER STREQUAL "CMAKE_${lang}_COMPILER-NOTFOUND") + foreach(comp ${CMAKE_${lang}_COMPILER_LIST}) + _query_xcrun("${comp}" RESULT_VAR xcrun_result) + if(xcrun_result) + break() + endif() + endforeach() + endif() + if (xcrun_result) + set_property(CACHE CMAKE_${lang}_COMPILER PROPERTY VALUE "${xcrun_result}") + endif() + endif() +endmacro() + +macro(_cmake_find_compiler_path lang) + if(CMAKE_${lang}_COMPILER) + # we only get here if CMAKE_${lang}_COMPILER was specified using -D or a pre-made CMakeCache.txt + # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE + # if CMAKE_${lang}_COMPILER is a list of length 2, use the first item as + # CMAKE_${lang}_COMPILER and the 2nd one as CMAKE_${lang}_COMPILER_ARG1 + list(LENGTH CMAKE_${lang}_COMPILER _CMAKE_${lang}_COMPILER_LIST_LENGTH) + if("${_CMAKE_${lang}_COMPILER_LIST_LENGTH}" EQUAL 2) + list(GET CMAKE_${lang}_COMPILER 1 CMAKE_${lang}_COMPILER_ARG1) + list(GET CMAKE_${lang}_COMPILER 0 CMAKE_${lang}_COMPILER) + endif() + unset(_CMAKE_${lang}_COMPILER_LIST_LENGTH) + + # find the compiler in the PATH if necessary + get_filename_component(_CMAKE_USER_${lang}_COMPILER_PATH "${CMAKE_${lang}_COMPILER}" PATH) + if(NOT _CMAKE_USER_${lang}_COMPILER_PATH) + find_program(CMAKE_${lang}_COMPILER_WITH_PATH NAMES ${CMAKE_${lang}_COMPILER}) + if(CMAKE_${lang}_COMPILER_WITH_PATH) + set(CMAKE_${lang}_COMPILER ${CMAKE_${lang}_COMPILER_WITH_PATH}) + get_property(_CMAKE_${lang}_COMPILER_CACHED CACHE CMAKE_${lang}_COMPILER PROPERTY TYPE) + if(_CMAKE_${lang}_COMPILER_CACHED) + set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER}" CACHE STRING "${lang} compiler" FORCE) + endif() + unset(_CMAKE_${lang}_COMPILER_CACHED) endif() - endforeach() + unset(CMAKE_${lang}_COMPILER_WITH_PATH CACHE) + endif() endif() endmacro() |