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if(NOT CMAKE_GENERATOR MATCHES "Xcode|Ninja")
set(CMAKE_Swift_COMPILER "")
return()
endif()
if(NOT DEFINED CMAKE_Swift_COMPILER)
set(_desc "Looking for a Swift compiler")
message(STATUS ${_desc})
file(REMOVE_RECURSE ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckSwift)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckSwift/CMakeLists.txt"
"cmake_minimum_required(VERSION 3.14)
project(CheckSwift Swift)
file(WRITE \"\${CMAKE_CURRENT_BINARY_DIR}/result.cmake\"
\"set(CMAKE_Swift_COMPILER \\\"\${CMAKE_Swift_COMPILER}\\\")\\n\"
\"set(CMAKE_Swift_COMPILER_VERSION \\\"\${CMAKE_Swift_COMPILER_VERSION}\\\")\\n\"
\"set(CMAKE_Swift_FLAGS \\\"\${CMAKE_Swift_FLAGS}\\\")\\n\")
")
if(CMAKE_GENERATOR_INSTANCE)
set(_D_CMAKE_GENERATOR_INSTANCE "-DCMAKE_GENERATOR_INSTANCE:INTERNAL=${CMAKE_GENERATOR_INSTANCE}")
else()
set(_D_CMAKE_GENERATOR_INSTANCE "")
endif()
execute_process(WORKING_DIRECTORY
${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckSwift
COMMAND
${CMAKE_COMMAND} . -G ${CMAKE_GENERATOR}
-A "${CMAKE_GENERATOR_PLATFORM}"
-T "${CMAKE_GENERATOR_TOOLSET}"
${_D_CMAKE_GENERATOR_INSTANCE}
TIMEOUT
60
OUTPUT_VARIABLE
output
ERROR_VARIABLE
output
RESULT_VARIABLE
result)
include(${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CheckSwift/result.cmake
OPTIONAL)
# FIXME: Replace with message(CONFIGURE_LOG) when CMake version is high enough.
if(CMAKE_Swift_COMPILER AND "${result}" STREQUAL "0")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"${_desc} passed with the following output:\n"
"${output}\n")
else()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"${_desc} failed with the following output:\n"
"${output}\n")
endif()
message(STATUS "${_desc} - ${CMAKE_Swift_COMPILER}")
set(CMAKE_Swift_COMPILER "${CMAKE_Swift_COMPILER}" CACHE FILEPATH "Swift compiler")
set(CMAKE_Swift_COMPILER_VERSION "${CMAKE_Swift_COMPILER_VERSION}" CACHE FILEPATH "Swift compiler version")
set(CMAKE_Swift_FLAGS "${CMAKE_Swift_FLAGS}" CACHE STRING "Swift flags")
mark_as_advanced(CMAKE_Swift_COMPILER)
mark_as_advanced(CMAKE_Swift_FLAGS)
endif()
|
