38 lines
1.8 KiB
CMake
38 lines
1.8 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
|
|
# ----------------------------------------------------------------------------
|
|
# Copyright 2020-2025 Arm Limited
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
|
# use this file except in compliance with the License. You may obtain a copy
|
|
# of the License at:
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
# ----------------------------------------------------------------------------
|
|
|
|
# On CMake 3.25 or older CXX_COMPILER_FRONTEND_VARIANT is not always set
|
|
if(CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "")
|
|
set(CMAKE_CXX_COMPILER_FRONTEND_VARIANT "${CMAKE_CXX_COMPILER_ID}")
|
|
endif()
|
|
|
|
# Compiler accepts MSVC-style command line options
|
|
set(is_msvc_fe "$<STREQUAL:${CMAKE_CXX_COMPILER_FRONTEND_VARIANT},MSVC>")
|
|
# Compiler accepts GNU-style command line options
|
|
set(is_gnu_fe1 "$<STREQUAL:${CMAKE_CXX_COMPILER_FRONTEND_VARIANT},GNU>")
|
|
# Compiler accepts AppleClang-style command line options, which is also GNU-style
|
|
set(is_gnu_fe2 "$<STREQUAL:${CMAKE_CXX_COMPILER_FRONTEND_VARIANT},AppleClang>")
|
|
# Compiler accepts GNU-style command line options
|
|
set(is_gnu_fe "$<OR:${is_gnu_fe1},${is_gnu_fe2}>")
|
|
|
|
# Compiler is Visual Studio cl.exe
|
|
set(is_msvccl "$<AND:${is_msvc_fe},$<CXX_COMPILER_ID:MSVC>>")
|
|
# Compiler is Visual Studio clangcl.exe
|
|
set(is_clangcl "$<AND:${is_msvc_fe},$<CXX_COMPILER_ID:Clang>>")
|
|
# Compiler is upstream clang with the standard frontend
|
|
set(is_clang "$<AND:${is_gnu_fe},$<CXX_COMPILER_ID:Clang,AppleClang>>")
|