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This change fixes NuttX’s CMake support when NuttX is embedded in another project via add_subdirectory(). CMake’s CMAKE_SOURCE_DIR and CMAKE_BINARY_DIR refer to the outermost project, causing NuttX to access its .config, generated files, host tools, and build artifacts in the parent project’s directories. The fix introduces NUTTX_DIR and NUTTX_BINARY_DIR, based on CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_BINARY_DIR, and consistently uses them for NuttX self-references while preserving existing standalone builds. It fixes the Kconfig initialization failure reported in #19697 and allows an embedded sim:nsh build to configure, build, and boot successfully. The change affects only the CMake build system (not Make or Kconfig defaults), requires the corresponding nuttx-apps change, and does not extend add_subdirectory() support to cross-compiled non-sim boards due to CMake’s toolchain-file limitation. Fixes #19697. Assisted-by: Claude:claude-sonnet-5 Signed-off-by: Alan Carvalho de Assis <acassis@gmail.com>
55 lines
1.8 KiB
CMake
55 lines
1.8 KiB
CMake
# ##############################################################################
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# libs/libc/fdt/CMakeLists.txt
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more contributor
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# license agreements. See the NOTICE file distributed with this work for
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# additional information regarding copyright ownership. The ASF licenses this
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# file to you under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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#
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# ##############################################################################
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if(CONFIG_LIBC_FDT)
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set(FDT_DIR ${CMAKE_CURRENT_LIST_DIR}/dtc)
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if(NOT EXISTS ${FDT_DIR})
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set(VERSION ${CONFIG_LIBC_FDT_DTC_VERSION})
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FetchContent_Declare(
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dtc
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URL https://github.com/dgibson/dtc/archive/v${VERSION}.zip SOURCE_DIR
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${CMAKE_CURRENT_LIST_DIR}/dtc BINARY_DIR
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${NUTTX_BINARY_DIR}/libs/libc/fdt/dtc)
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FetchContent_GetProperties(dtc)
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if(NOT dtc_POPULATED)
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FetchContent_Populate(dtc)
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endif()
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endif()
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set(SRCS
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fdt.c
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fdt_ro.c
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fdt_wip.c
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fdt_sw.c
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fdt_rw.c
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fdt_strerror.c
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fdt_empty_tree.c
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fdt_addresses.c
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fdt_overlay.c
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fdt_check.c)
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list(TRANSFORM SRCS PREPEND ${FDT_DIR}/libfdt/)
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target_sources(c PRIVATE ${SRCS})
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target_include_directories(c PRIVATE ${FDT_DIR}/libfdt)
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endif()
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