blob: 536c0209ee18b70923631b8798840f7bde349d05 [file] [log] [blame]
# SPDX-License-Identifier: Apache-2.0
# Configuration for host installed clang
#
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()
if(DEFINED TOOLCHAIN_HOME)
set(find_program_clang_args PATHS ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
endif()
find_program(CMAKE_C_COMPILER clang ${find_program_clang_args})
find_program(CMAKE_CXX_COMPILER clang++ ${find_program_clang_args})
if(NOT "${ARCH}" STREQUAL "posix")
include(${ZEPHYR_BASE}/cmake/gcc-m-cpu.cmake)
if("${ARCH}" STREQUAL "arm")
list(APPEND TOOLCHAIN_C_FLAGS
-fshort-enums
)
list(APPEND TOOLCHAIN_LD_FLAGS
-fshort-enums
)
include(${ZEPHYR_BASE}/cmake/compiler/gcc/target_arm.cmake)
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()
foreach(isystem_include_dir ${NOSTDINC})
list(APPEND isystem_include_flags -isystem "\"${isystem_include_dir}\"")
endforeach()
if(CONFIG_X86)
if(CONFIG_64BIT)
list(APPEND TOOLCHAIN_C_FLAGS "-m64")
else()
list(APPEND TOOLCHAIN_C_FLAGS "-m32")
endif()
endif()
# This libgcc code is partially duplicated in compiler/*/target.cmake
execute_process(
COMMAND ${CMAKE_C_COMPILER} ${TOOLCHAIN_C_FLAGS} --print-libgcc-file-name
OUTPUT_VARIABLE LIBGCC_FILE_NAME
OUTPUT_STRIP_TRAILING_WHITESPACE
)
get_filename_component(LIBGCC_DIR ${LIBGCC_FILE_NAME} DIRECTORY)
list(APPEND LIB_INCLUDE_DIR "-L\"${LIBGCC_DIR}\"")
if(LIBGCC_DIR)
list(APPEND TOOLCHAIN_LIBS gcc)
endif()
list(APPEND CMAKE_REQUIRED_FLAGS -nostartfiles -nostdlib ${isystem_include_flags})
string(REPLACE ";" " " CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
endif()
# Load toolchain_cc-family macros
macro(toolchain_cc_nostdinc)
if(NOT "${ARCH}" STREQUAL "posix")
zephyr_compile_options( -nostdinc)
endif()
endmacro()