blob: 41e36b99a27ab3a341ca7026827334256c992cd1 [file] [log] [blame] [edit]
# SPDX-License-Identifier: Apache-2.0
# Configures CMake for using GCC
find_program(CMAKE_C_COMPILER gcc)
if(CONFIG_CPP)
set(cplusplus_compiler g++)
else()
if(EXISTS g++)
set(cplusplus_compiler g++)
else()
# When the toolchain doesn't support C++, and we aren't building
# with C++ support just set it to something so CMake doesn't
# crash, it won't actually be called
set(cplusplus_compiler ${CMAKE_C_COMPILER})
endif()
endif()
find_program(CMAKE_CXX_COMPILER ${cplusplus_compiler} CACHE INTERNAL " " FORCE)
set(NOSTDINC "")
# Note that NOSYSDEF_CFLAG may be an empty string, and
# set_ifndef() does not work with empty string.
if(NOT DEFINED NOSYSDEF_CFLAG)
set(NOSYSDEF_CFLAG -undef)
endif()
foreach(file_name include/stddef.h)
execute_process(
COMMAND ${CMAKE_C_COMPILER} --print-file-name=${file_name}
OUTPUT_VARIABLE _OUTPUT
)
get_filename_component(_OUTPUT "${_OUTPUT}" DIRECTORY)
string(REGEX REPLACE "\n" "" _OUTPUT "${_OUTPUT}")
list(APPEND NOSTDINC ${_OUTPUT})
endforeach()