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cmake:enhance compile options for custom toolchain,implement the REVERSE

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opt of `add_compile_options()`

add global moudle `nuttx_remove_compile_options()`.
define custom board toolchain introduction.

Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
This commit is contained in:
xuxin19 2023-11-24 19:30:29 +08:00 committed by Xiang Xiao
parent e01d6b26cc
commit 8efe6cb235
2 changed files with 77 additions and 0 deletions
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10
CMakeLists.txt
View file

@ -365,6 +365,7 @@ include(nuttx_add_symtab)
include(nuttx_add_module)
include(nuttx_add_dependencies)
include(nuttx_export_header)
include(nuttx_remove_compile_options)
include(nuttx_source_file_properties)
include(menuconfig)
@ -405,6 +406,15 @@ endif()
# Setup platform options (this needs to happen after project(), once the
# toolchain file has been processed)
# Support custom Toolchain options by custom Boards
if(CONFIG_ARCH_BOARD_CUSTOM)
if(EXISTS ${NUTTX_BOARD_ABS_DIR}/cmake
AND EXISTS ${NUTTX_BOARD_ABS_DIR}/cmake/Toolchain.cmake)
# must be added AFTER ToolchainFile and BEFORE platform
include(${NUTTX_BOARD_ABS_DIR}/cmake/Toolchain.cmake)
endif()
endif()
include(platform)
# Setup main nuttx target ####################################################

67
cmake/nuttx_remove_compile_options.cmake Normal file
View file

@ -0,0 +1,67 @@
# ##############################################################################
# cmake/nuttx_remove_compile_options.cmake
#
# Licensed to the Apache Software Foundation (ASF) under one or more contributor
# license agreements. See the NOTICE file distributed with this work for
# additional information regarding copyright ownership. The ASF licenses this
# file to you 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
#
# http://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.
#
# ##############################################################################
# ~~~
# nuttx_remove_compile_options
#
# Description:
# Customize to remove certain options
# in the default Arch ToolchainFile.
#
# For example, a customized chip board uses a customized tool chain, which has compilation configuration conflicts with default.
# You can use this macro to remove it in the global compile options.
# This function is similar to the reverse operation of `add_compile_options()`
#
# Usage:
# nuttx_remove_compile_options(ARGNS)
#
# Parameters:
# ARGNS : options regex that needs to be deleted
#
# Example:
# nuttx_remove_compile_options(-march -mabi)
#
# befor: CFLAGS = -O2 -g -march=rv32if -mabi=ilp32f -mcpu=e907fp
# after: CFLAGS = -O2 -g -mcpu=e907fp
#
# ~~~
function(nuttx_remove_compile_options)
get_property(
CURRENT_OPTIONS
DIRECTORY
PROPERTY COMPILE_OPTIONS)
set_property(DIRECTORY PROPERTY COMPILE_OPTIONS)
# Remove flags starting with regex
foreach(CURRENT_OPTION_VARIABLE ${CURRENT_OPTIONS})
set(MATCHED_FLAG)
foreach(regex ${ARGN})
string(REGEX MATCH "^${regex}" MATCHED ${CURRENT_OPTION_VARIABLE})
if(MATCHED)
string(CONCAT MATCHED_FLAG ${MATCHED_FLAG}${MATCHED})
endif()
endforeach()
if(NOT MATCHED_FLAG)
add_compile_options(${CURRENT_OPTION_VARIABLE})
endif()
endforeach()
endfunction()