You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
4.3 KiB
136 lines
4.3 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
# file Copyright.txt or https://cmake.org/licensing for details.
|
|
|
|
include_guard(GLOBAL)
|
|
|
|
cmake_policy(PUSH)
|
|
cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced
|
|
cmake_policy(SET CMP0057 NEW) # if() supports IN_LIST
|
|
|
|
function(CMAKE_CHECK_SOURCE_COMPILES _lang _source _var)
|
|
if(NOT DEFINED "${_var}")
|
|
|
|
if(_lang STREQUAL "C")
|
|
set(_lang_textual "C")
|
|
set(_lang_ext "c")
|
|
elseif(_lang STREQUAL "CXX")
|
|
set(_lang_textual "C++")
|
|
set(_lang_ext "cxx")
|
|
elseif(_lang STREQUAL "CUDA")
|
|
set(_lang_textual "CUDA")
|
|
set(_lang_ext "cu")
|
|
elseif(_lang STREQUAL "Fortran")
|
|
set(_lang_textual "Fortran")
|
|
set(_lang_ext "F90")
|
|
elseif(_lang STREQUAL "HIP")
|
|
set(_lang_textual "HIP")
|
|
set(_lang_ext "hip")
|
|
elseif(_lang STREQUAL "ISPC")
|
|
set(_lang_textual "ISPC")
|
|
set(_lang_ext "ispc")
|
|
elseif(_lang STREQUAL "OBJC")
|
|
set(_lang_textual "Objective-C")
|
|
set(_lang_ext "m")
|
|
elseif(_lang STREQUAL "OBJCXX")
|
|
set(_lang_textual "Objective-C++")
|
|
set(_lang_ext "mm")
|
|
else()
|
|
message (SEND_ERROR "check_source_compiles: ${_lang}: unknown language.")
|
|
return()
|
|
endif()
|
|
|
|
get_property (_supported_languages GLOBAL PROPERTY ENABLED_LANGUAGES)
|
|
if (NOT _lang IN_LIST _supported_languages)
|
|
message (SEND_ERROR "check_source_compiles: ${_lang}: needs to be enabled before use.")
|
|
return()
|
|
endif()
|
|
|
|
set(_FAIL_REGEX)
|
|
set(_SRC_EXT)
|
|
set(_key)
|
|
foreach(arg ${ARGN})
|
|
if("${arg}" MATCHES "^(FAIL_REGEX|SRC_EXT|OUTPUT_VARIABLE)$")
|
|
set(_key "${arg}")
|
|
elseif(_key STREQUAL "FAIL_REGEX")
|
|
list(APPEND _FAIL_REGEX "${arg}")
|
|
elseif(_key STREQUAL "SRC_EXT")
|
|
set(_SRC_EXT "${arg}")
|
|
set(_key "")
|
|
elseif(_key STREQUAL "OUTPUT_VARIABLE")
|
|
set(_OUTPUT_VARIABLE "${arg}")
|
|
set(_key "")
|
|
else()
|
|
message(FATAL_ERROR "Unknown argument:\n ${arg}\n")
|
|
endif()
|
|
endforeach()
|
|
|
|
if(NOT _SRC_EXT)
|
|
set(_SRC_EXT ${_lang_ext})
|
|
endif()
|
|
|
|
if(CMAKE_REQUIRED_LINK_OPTIONS)
|
|
set(CHECK_${LANG}_SOURCE_COMPILES_ADD_LINK_OPTIONS
|
|
LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS})
|
|
else()
|
|
set(CHECK_${LANG}_SOURCE_COMPILES_ADD_LINK_OPTIONS)
|
|
endif()
|
|
if(CMAKE_REQUIRED_LIBRARIES)
|
|
set(CHECK_${LANG}_SOURCE_COMPILES_ADD_LIBRARIES
|
|
LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
|
|
else()
|
|
set(CHECK_${LANG}_SOURCE_COMPILES_ADD_LIBRARIES)
|
|
endif()
|
|
if(CMAKE_REQUIRED_INCLUDES)
|
|
set(CHECK_${LANG}_SOURCE_COMPILES_ADD_INCLUDES
|
|
"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
|
|
else()
|
|
set(CHECK_${LANG}_SOURCE_COMPILES_ADD_INCLUDES)
|
|
endif()
|
|
|
|
if(NOT CMAKE_REQUIRED_QUIET)
|
|
message(CHECK_START "Performing Test ${_var}")
|
|
endif()
|
|
string(APPEND _source "\n")
|
|
try_compile(${_var}
|
|
SOURCE_FROM_VAR "src.${_SRC_EXT}" _source
|
|
COMPILE_DEFINITIONS -D${_var} ${CMAKE_REQUIRED_DEFINITIONS}
|
|
${CHECK_${LANG}_SOURCE_COMPILES_ADD_LINK_OPTIONS}
|
|
${CHECK_${LANG}_SOURCE_COMPILES_ADD_LIBRARIES}
|
|
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CMAKE_REQUIRED_FLAGS}
|
|
"${CHECK_${LANG}_SOURCE_COMPILES_ADD_INCLUDES}"
|
|
OUTPUT_VARIABLE OUTPUT)
|
|
|
|
foreach(_regex ${_FAIL_REGEX})
|
|
if("${OUTPUT}" MATCHES "${_regex}")
|
|
set(${_var} 0)
|
|
endif()
|
|
endforeach()
|
|
|
|
if (_OUTPUT_VARIABLE)
|
|
set(${_OUTPUT_VARIABLE} "${OUTPUT}" PARENT_SCOPE)
|
|
endif()
|
|
|
|
if(${_var})
|
|
set(${_var} 1 CACHE INTERNAL "Test ${_var}")
|
|
if(NOT CMAKE_REQUIRED_QUIET)
|
|
message(CHECK_PASS "Success")
|
|
endif()
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
|
|
"Performing ${_lang_textual} SOURCE FILE Test ${_var} succeeded with the following output:\n"
|
|
"${OUTPUT}\n"
|
|
"Source file was:\n${_source}\n")
|
|
else()
|
|
if(NOT CMAKE_REQUIRED_QUIET)
|
|
message(CHECK_FAIL "Failed")
|
|
endif()
|
|
set(${_var} "" CACHE INTERNAL "Test ${_var}")
|
|
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
|
|
"Performing ${_lang_textual} SOURCE FILE Test ${_var} failed with the following output:\n"
|
|
"${OUTPUT}\n"
|
|
"Source file was:\n${_source}\n")
|
|
endif()
|
|
endif()
|
|
endfunction()
|
|
|
|
cmake_policy(POP)
|