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cmake/Modules/CMakeDetermineSwiftCompiler...

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2.9 KiB

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
# Local system-specific compiler preferences for this language.
include(Platform/${CMAKE_SYSTEM_NAME}-Determine-Swift OPTIONAL)
include(Platform/${CMAKE_SYSTEM_NAME}-Swift OPTIONAL)
if(NOT CMAKE_Swift_COMPILER_NAMES)
set(CMAKE_Swift_COMPILER_NAMES swiftc)
endif()
if("${CMAKE_GENERATOR}" STREQUAL "Xcode")
if(XCODE_VERSION VERSION_LESS 6.1)
message(FATAL_ERROR "Swift language not supported by Xcode ${XCODE_VERSION}")
endif()
set(CMAKE_Swift_COMPILER_XCODE_TYPE sourcecode.swift)
_cmake_find_compiler_path(Swift)
elseif("${CMAKE_GENERATOR}" MATCHES "^Ninja")
if(CMAKE_Swift_COMPILER)
_cmake_find_compiler_path(Swift)
else()
set(CMAKE_Swift_COMPILER_INIT NOTFOUND)
if(NOT $ENV{SWIFTC} STREQUAL "")
get_filename_component(CMAKE_Swift_COMPILER_INIT $ENV{SWIFTC} PROGRAM
PROGRAM_ARGS CMAKE_Swift_FLAGS_ENV_INIT)
if(CMAKE_Swift_FLAGS_ENV_INIT)
set(CMAKE_Swift_COMPILER_ARG1 "${CMAKE_Swift_FLAGS_ENV_INIT}" CACHE
STRING "Arguments to the Swift compiler")
endif()
if(NOT EXISTS ${CMAKE_Swift_COMPILER_INIT})
message(FATAL_ERROR "Could not find compiler set in environment variable SWIFTC\n$ENV{SWIFTC}.\n${CMAKE_Swift_COMPILER_INIT}")
endif()
endif()
if(NOT CMAKE_Swift_COMPILER_INIT)
set(CMAKE_Swift_COMPILER_LIST swiftc ${_CMAKE_TOOLCHAIN_PREFIX}swiftc)
endif()
_cmake_find_compiler(Swift)
endif()
mark_as_advanced(CMAKE_Swift_COMPILER)
else()
message(FATAL_ERROR "Swift language not supported by \"${CMAKE_GENERATOR}\" generator")
endif()
# Build a small source file to identify the compiler.
if(NOT CMAKE_Swift_COMPILER_ID_RUN)
set(CMAKE_Swift_COMPILER_ID_RUN 1)
if("${CMAKE_GENERATOR}" STREQUAL "Xcode")
list(APPEND CMAKE_Swift_COMPILER_ID_MATCH_VENDORS Apple)
set(CMAKE_Swift_COMPILER_ID_MATCH_VENDOR_REGEX_Apple "com.apple.xcode.tools.swift.compiler")
set(CMAKE_Swift_COMPILER_ID_TOOL_MATCH_REGEX "\nCompileSwift[^\n]*(\n[ \t]+[^\n]*)*\n[ \t]+([^ \t\r\n]+)[^\r\n]* -c[^\r\n]*CompilerIdSwift/CompilerId/main.swift")
set(CMAKE_Swift_COMPILER_ID_TOOL_MATCH_INDEX 2)
endif()
# Try to identify the compiler.
set(CMAKE_Swift_COMPILER_ID)
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake)
CMAKE_DETERMINE_COMPILER_ID(Swift "" CompilerId/main.swift)
endif()
if (NOT _CMAKE_TOOLCHAIN_LOCATION)
get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_Swift_COMPILER}" PATH)
endif ()
set(_CMAKE_PROCESSING_LANGUAGE "Swift")
include(CMakeFindBinUtils)
unset(_CMAKE_PROCESSING_LANGUAGE)
# configure variables set in this file for fast reload later on
configure_file(${CMAKE_ROOT}/Modules/CMakeSwiftCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeSwiftCompiler.cmake @ONLY)
set(CMAKE_Swift_COMPILER_ENV_VAR "SWIFTC")