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include(SwiftUtils)
function(swift_windows_arch_spelling arch var)
if(arch STREQUAL "i686")
set(${var} x86 PARENT_SCOPE)
elseif(arch STREQUAL "x86_64")
set(${var} x64 PARENT_SCOPE)
elseif(arch STREQUAL "armv7")
set(${var} arm PARENT_SCOPE)
elseif(arch STREQUAL "aarch64")
set(${var} arm64 PARENT_SCOPE)
else()
message(FATAL_ERROR "do not know MSVC spelling for ARCH: `${arch}`")
endif()
endfunction()
function(swift_windows_include_for_arch arch var)
set(paths
"${VCToolsInstallDir}/include"
"${UniversalCRTSdkDir}/Include/${UCRTVersion}/ucrt"
"${UniversalCRTSdkDir}/Include/${UCRTVersion}/shared"
"${UniversalCRTSdkDir}/Include/${UCRTVersion}/um")
set(${var} ${paths} PARENT_SCOPE)
endfunction()
function(swift_windows_lib_for_arch arch var)
swift_windows_arch_spelling(${arch} ARCH)
set(paths)
# NOTE(compnerd) provide compatibility with VS2015 which had the libraries in
# a directory called "Lib" rather than VS2017 which normalizes the layout and
# places them in a directory named "lib".
if(IS_DIRECTORY "${VCToolsInstallDir}/Lib")
if(ARCH STREQUAL "x86")
list(APPEND paths "${VCToolsInstallDir}/Lib/")
else()
list(APPEND paths "${VCToolsInstallDir}/Lib/${ARCH}")
endif()
else()
list(APPEND paths "${VCToolsInstallDir}/lib/${ARCH}")
endif()
list(APPEND paths
"${UniversalCRTSdkDir}/Lib/${UCRTVersion}/ucrt/${ARCH}"
"${UniversalCRTSdkDir}/Lib/${UCRTVersion}/um/${ARCH}")
set(${var} ${paths} PARENT_SCOPE)
endfunction()
function(swift_windows_get_sdk_vfs_overlay overlay)
get_filename_component(VCToolsInstallDir ${VCToolsInstallDir} ABSOLUTE)
get_filename_component(UniversalCRTSdkDir ${UniversalCRTSdkDir} ABSOLUTE)
set(UCRTVersion ${UCRTVersion})
# TODO(compnerd) use a target to avoid re-creating this file all the time
configure_file("${SWIFT_SOURCE_DIR}/utils/WindowsSDKVFSOverlay.yaml.in"
"${CMAKE_CURRENT_BINARY_DIR}/windows-sdk-vfs-overlay.yaml"
@ONLY)
set(${overlay} ${CMAKE_CURRENT_BINARY_DIR}/windows-sdk-vfs-overlay.yaml
PARENT_SCOPE)
endfunction()
function(swift_verify_windows_VCVAR var)
if (NOT DEFINED "${var}" AND NOT DEFINED "ENV{${var}}")
message(FATAL_ERROR "${var} environment variable must be set")
endif()
endfunction()
function(swift_windows_cache_VCVARS)
swift_verify_windows_VCVAR(VCToolsInstallDir)
swift_verify_windows_VCVAR(UniversalCRTSdkDir)
swift_verify_windows_VCVAR(UCRTVersion)
set(VCToolsInstallDir $ENV{VCToolsInstallDir} CACHE STRING "")
set(UniversalCRTSdkDir $ENV{UniversalCRTSdkDir} CACHE STRING "")
set(UCRTVersion $ENV{UCRTVersion} CACHE STRING "")
endfunction()
# NOTE(compnerd) we use a macro here as this modifies global variables
macro(swift_swap_compiler_if_needed target)
if(NOT CMAKE_C_COMPILER_ID MATCHES Clang)
if(CMAKE_SYSTEM_NAME STREQUAL CMAKE_HOST_SYSTEM_NAME AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
if(SWIFT_BUILT_STANDALONE)
get_target_property(SWIFT_CLANG_LOCATION clang LOCATION)
get_filename_component(SWIFT_CLANG_LOCATION ${SWIFT_CLANG_LOCATION} DIRECTORY)
else()
set(SWIFT_CLANG_LOCATION ${LLVM_RUNTIME_OUTPUT_INTDIR})
endif()
endif()
if (DEFINED SWIFT_CLANG_LOCATION)
if("${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC" OR "${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC")
set(CMAKE_C_COMPILER ${SWIFT_CLANG_LOCATION}/clang-cl${CMAKE_EXECUTABLE_SUFFIX})
set(CMAKE_CXX_COMPILER ${SWIFT_CLANG_LOCATION}/clang-cl${CMAKE_EXECUTABLE_SUFFIX})
set(CMAKE_C_SIMULATE_ID MSVC)
set(CMAKE_C_COMPILER_FRONTEND_VARIANT MSVC)
set(CMAKE_CXX_SIMULATE_ID MSVC)
set(CMAKE_CXX_COMPILER_FRONTEND_VARIANT MSVC)
else()
set(CMAKE_C_COMPILER ${SWIFT_CLANG_LOCATION}/clang${CMAKE_EXECUTABLE_SUFFIX})
set(CMAKE_CXX_COMPILER ${SWIFT_CLANG_LOCATION}/clang++${CMAKE_EXECUTABLE_SUFFIX})
endif()
set(CMAKE_C_COMPILER_ID Clang)
set(CMAKE_CXX_COMPILER_ID Clang)
set(SOURCEKIT_SWIFT_SWAP_COMPILER TRUE)
message(STATUS "C/C++ compiler for ${target} is set to: ${CMAKE_C_COMPILER}")
else()
message(SEND_ERROR "${target} requires a clang based compiler. Please set SWIFT_CLANG_LOCATION.")
endif()
endif()
endmacro()
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