| # |
| # Copyright (c) 2020 Arm Limited. All rights reserved. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # 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 |
| # |
| # 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. |
| # |
| |
| function(ethosu_link_options target scope) |
| cmake_parse_arguments(ARG "" "LINK_FILE" "" ${ARGN}) |
| |
| if (CMAKE_CXX_COMPILER_ID STREQUAL "ARMClang") |
| set(LINK_FILE_OUT ${CMAKE_CURRENT_SOURCE_DIR}/${ARG_LINK_FILE}.scatter) |
| set(LINK_FILE_OPTION "--scatter") |
| |
| elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") |
| set(LINK_FILE ${ARG_LINK_FILE}.ld) |
| set(LINK_FILE_IN ${CMAKE_CURRENT_SOURCE_DIR}/${LINK_FILE}) |
| set(LINK_FILE_OUT ${CMAKE_CURRENT_BINARY_DIR}/${LINK_FILE}) |
| set(LINK_FILE_OPTION "-T") |
| |
| set(prop "$<TARGET_PROPERTY:${target},COMPILE_DEFINITIONS>") |
| add_custom_command( |
| OUTPUT ${LINK_FILE_OUT} |
| DEPENDS ${LINK_FILE_IN} |
| BYPRODUCTS ${LINK_FILE_OUT} |
| COMMAND ${CMAKE_C_COMPILER} -E -x c -P -o ${LINK_FILE_OUT} ${LINK_FILE_IN} |
| COMMAND_EXPAND_LISTS "$<$<BOOL:${prop}>:-D$<JOIN:${prop},;-D>>" |
| COMMENT "Preprocessing and generating linker script" |
| VERBATIM) |
| add_custom_target(${target}-linker-script |
| DEPENDS ${LINK_FILE_OUT} |
| VERBATIM) |
| add_dependencies(${target} ${target}-linker-script) |
| endif() |
| |
| target_link_options(${target} ${scope} ${LINK_FILE_OPTION} ${LINK_FILE_OUT}) |
| set_target_properties(${target} PROPERTIES LINK_DEPENDS ${LINK_FILE_OUT}) |
| endfunction() |