michaelh/zephyr
1
0
Fork 0
Code Releases Activity

compiler: clang: Don't link libgcc for native_posix

Browse source 
libgcc isn't used by native_posix.

Signed-off-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
This commit is contained in:
Oleg Zhurakivskyy 2019-04-20 15:37:37 +03:00 • committed by Anas Nashif
commit bee7d1ec8b
1 changed files with 28 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

52
cmake/compiler/clang/target.cmake
View file

@ -28,38 +28,42 @@ find_program(CMAKE_RANLIB llvm-ranlib ${find_program_clang_args})
find_program(CMAKE_OBJCOPY objcopy ${find_program_binutils_args})
find_program(CMAKE_READELF readelf ${find_program_binutils_args})
foreach(file_name include include-fixed)
if(NOT "${ARCH}" STREQUAL "posix")
foreach(file_name include include-fixed)
execute_process(
COMMAND ${CMAKE_C_COMPILER} --print-file-name=${file_name}
OUTPUT_VARIABLE _OUTPUT
)
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()
# This libgcc code is partially duplicated in compiler/*/target.cmake
execute_process(
COMMAND ${CMAKE_C_COMPILER} --print-file-name=${file_name}
OUTPUT_VARIABLE _OUTPUT
COMMAND ${CMAKE_C_COMPILER} ${TOOLCHAIN_C_FLAGS} --print-libgcc-file-name
OUTPUT_VARIABLE LIBGCC_FILE_NAME
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "\n" "" _OUTPUT ${_OUTPUT})
list(APPEND NOSTDINC ${_OUTPUT})
endforeach()
assert_exists(LIBGCC_FILE_NAME)
foreach(isystem_include_dir ${NOSTDINC})
list(APPEND isystem_include_flags -isystem ${isystem_include_dir})
endforeach()
get_filename_component(LIBGCC_DIR ${LIBGCC_FILE_NAME} DIRECTORY)
# This libgcc code is partially duplicated in compiler/*/target.cmake
execute_process(
COMMAND ${CMAKE_C_COMPILER} ${TOOLCHAIN_C_FLAGS} --print-libgcc-file-name
OUTPUT_VARIABLE LIBGCC_FILE_NAME
OUTPUT_STRIP_TRAILING_WHITESPACE
)
assert_exists(LIBGCC_DIR)
assert_exists(LIBGCC_FILE_NAME)
list(APPEND LIB_INCLUDE_DIR "-L\"${LIBGCC_DIR}\"")
list(APPEND TOOLCHAIN_LIBS gcc)
get_filename_component(LIBGCC_DIR ${LIBGCC_FILE_NAME} DIRECTORY)
set(CMAKE_REQUIRED_FLAGS -nostartfiles -nostdlib ${isystem_include_flags} -Wl,--unresolved-symbols=ignore-in-object-files)
string(REPLACE ";" " " CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
assert_exists(LIBGCC_DIR)
list(APPEND LIB_INCLUDE_DIR "-L\"${LIBGCC_DIR}\"")
list(APPEND TOOLCHAIN_LIBS gcc)
set(CMAKE_REQUIRED_FLAGS -nostartfiles -nostdlib ${isystem_include_flags} -Wl,--unresolved-symbols=ignore-in-object-files)
string(REPLACE ";" " " CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
endif()
# Load toolchain_cc-family macros