0055129eb5
Summary: Because we link the `cxx` target directly we do not need to use this flag, that's also why we pass `-nostdinc++` which makes this an unused command line flag, hence the warning.
47 lines
1.9 KiB
CMake
47 lines
1.9 KiB
CMake
#===-- cmake/modules/HandleLibs.cmake --------------------------------------===#
|
|
#
|
|
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
# See https://llvm.org/LICENSE.txt for license information.
|
|
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
#
|
|
#===------------------------------------------------------------------------===#
|
|
|
|
# Select the C library to use for building flang-rt.
|
|
if (FLANG_RT_LIBC_PROVIDER STREQUAL "system")
|
|
add_library(flang-rt-libc-headers INTERFACE)
|
|
add_library(flang-rt-libc-static INTERFACE)
|
|
add_library(flang-rt-libc-shared INTERFACE)
|
|
elseif (FLANG_RT_LIBC_PROVIDER STREQUAL "llvm")
|
|
add_library(flang-rt-libc-headers INTERFACE)
|
|
target_link_libraries(flang-rt-libc-headers INTERFACE libc-headers)
|
|
if (FLANG_RT_HAS_NOSTDLIBINC_FLAG)
|
|
target_compile_options(flang-rt-libc-headers INTERFACE $<$<COMPILE_LANGUAGE:CXX,C>:-nostdlibinc>)
|
|
endif ()
|
|
|
|
add_library(flang-rt-libc-static INTERFACE)
|
|
if (TARGET libc)
|
|
target_link_libraries(flang-rt-libc-static INTERFACE libc)
|
|
endif ()
|
|
if (TARGET libm)
|
|
target_link_libraries(flang-rt-libc-static INTERFACE libm)
|
|
endif ()
|
|
if (FLANG_RT_HAS_NOSTDLIB_FLAG)
|
|
target_compile_options(flang-rt-libc-headers INTERFACE $<$<COMPILE_LANGUAGE:CXX,C>:-nostdlib>)
|
|
endif ()
|
|
|
|
# TODO: There's no support for building LLVM libc as a shared library yet.
|
|
add_library(flang-rt-libc-shared INTERFACE)
|
|
endif ()
|
|
|
|
# Select the C++ library to use for building flang-rt.
|
|
if (FLANG_RT_LIBCXX_PROVIDER STREQUAL "system")
|
|
add_library(flang-rt-libcxx-headers INTERFACE)
|
|
elseif (FLANG_RT_LIBCXX_PROVIDER STREQUAL "llvm")
|
|
add_library(flang-rt-libcxx-headers INTERFACE)
|
|
target_link_libraries(flang-rt-libcxx-headers INTERFACE cxx-headers)
|
|
|
|
if (CXX_SUPPORTS_NOSTDINCXX_FLAG)
|
|
target_compile_options(flang-rt-libc-headers INTERFACE $<$<COMPILE_LANGUAGE:CXX,C>:-nostdinc++>)
|
|
endif ()
|
|
endif ()
|