150 lines
6.0 KiB
CMake
150 lines
6.0 KiB
CMake
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# ##############################################################################
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# cmake/nuttx_generate_headers.cmake
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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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# setup target to generate config.h and version.h from mkconfig and mkversion
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if(NOT EXISTS ${CMAKE_BINARY_DIR}/include)
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file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/include)
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endif()
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if(NOT EXISTS ${CMAKE_BINARY_DIR}/include/nuttx)
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file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/include/nuttx)
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endif()
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include(nuttx_mkconfig)
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include(nuttx_mkversion)
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# Setup symbolic link generation
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if(NOT EXISTS ${CMAKE_BINARY_DIR}/include_arch/arch)
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execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory
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${CMAKE_BINARY_DIR}/include_arch/arch)
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endif()
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if(NOT EXISTS ${CMAKE_BINARY_DIR}/include_apps)
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execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory
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${CMAKE_BINARY_DIR}/include_apps)
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endif()
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if(NOT EXISTS ${CMAKE_BINARY_DIR}/include/arch)
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nuttx_create_symlink(${NUTTX_DIR}/arch/${CONFIG_ARCH}/include
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${CMAKE_BINARY_DIR}/include/arch)
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endif()
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if(NOT EXISTS ${CMAKE_BINARY_DIR}/include_arch/arch/board)
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nuttx_create_symlink(${NUTTX_BOARD_DIR}/include
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${CMAKE_BINARY_DIR}/include_arch/arch/board)
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endif()
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if(NOT EXISTS ${CMAKE_BINARY_DIR}/include_arch/arch/chip)
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if(CONFIG_ARCH_CHIP_CUSTOM)
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E copy_directory ${NUTTX_CHIP_ABS_DIR}/include
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${CMAKE_BINARY_DIR}/include_arch/arch/chip)
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else()
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execute_process(
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COMMAND
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${CMAKE_COMMAND} -E copy_directory
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${NUTTX_DIR}/arch/${CONFIG_ARCH}/include/${CONFIG_ARCH_CHIP}
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${CMAKE_BINARY_DIR}/include_arch/arch/chip)
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endif()
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endif()
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# Optional symbolic links
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# Target used to copy include/nuttx/lib/stdarg.h. If CONFIG_ARCH_STDARG_H is
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# defined, then there is an architecture specific stdarg.h header file that will
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# be included indirectly from include/lib/stdarg.h. But first, we have to copy
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# stdarg.h from include/nuttx/. to include/.
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if(CONFIG_ARCH_STDARG_H)
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nuttx_create_symlink(${NUTTX_DIR}/include/nuttx/lib/stdarg.h
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${CMAKE_BINARY_DIR}/include/stdarg.h)
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else()
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file(REMOVE ${CMAKE_BINARY_DIR}/include/stdarg.h)
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endif()
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# Target used to copy include/nuttx/lib/math.h. If CONFIG_ARCH_MATH_H is
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# defined, then there is an architecture specific math.h header file that will
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# be included indirectly from include/math.h. But first, we have to copy math.h
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# from include/nuttx/. to include/. Logic within include/nuttx/lib/math.h will
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# hand the redirection to the architecture- specific math.h header file.
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#
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# If the CONFIG_LIBM is defined, the Rhombus libm will be built at libc/math.
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# Definitions and prototypes for the Rhombus libm are also contained in
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# include/nuttx/lib/math.h and so the file must also be copied in that case.
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#
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# If neither CONFIG_ARCH_MATH_H nor CONFIG_LIBM is defined, then no math.h
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# header file will be provided. You would want that behavior if (1) you don't
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# use libm, or (2) you want to use the math.h and libm provided within your
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# toolchain.
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if(CONFIG_ARCH_MATH_H OR CONFIG_LIBM)
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set(NEED_MATH_H true)
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endif()
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if(NEED_MATH_H)
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nuttx_create_symlink(${NUTTX_DIR}/include/nuttx/lib/math.h
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${CMAKE_BINARY_DIR}/include/math.h)
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else()
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file(REMOVE ${CMAKE_BINARY_DIR}/include/math.h)
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endif()
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# The float.h header file defines the properties of your floating point
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# implementation. It would always be best to use your toolchain's float.h
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# header file but if none is available, a default float.h header file will
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# provided if this option is selected. However there is no assurance that the
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# settings in this float.h are actually correct for your platform!
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if(CONFIG_ARCH_FLOAT_H)
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nuttx_create_symlink(${NUTTX_DIR}/include/nuttx/lib/float.h
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${CMAKE_BINARY_DIR}/include/float.h)
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else()
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file(REMOVE ${CMAKE_BINARY_DIR}/include/float.h)
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endif()
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# Target used to copy include/nuttx/lib/setjmp.h. If CONFIG_ARCH_SETJMP_H is
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# defined, then there is an architecture specific setjmp.h header file that will
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# be included indirectly from include/lib/setjmp.h. But first, we have to copy
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# setjmp.h from include/nuttx/. to include/.
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if(CONFIG_ARCH_SETJMP_H)
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nuttx_create_symlink(${NUTTX_DIR}/include/nuttx/lib/setjmp.h
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${CMAKE_BINARY_DIR}/include/setjmp.h)
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else()
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file(REMOVE ${CMAKE_BINARY_DIR}/include/setjmp.h)
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endif()
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# Add final context target that ties together all of the above The context
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# target is invoked on each target build to assure that NuttX is properly
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# configured. The basic configuration steps include creation of the the
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# config.h and version.h header files in the include/nuttx directory and the
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# establishment of symbolic links to configured directories.
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add_custom_target(
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nuttx_context
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DEPENDS
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${CMAKE_BINARY_DIR}/include/nuttx/config.h
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${CMAKE_BINARY_DIR}/include/nuttx/version.h
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$<$<BOOL:${CONFIG_ARCH_STDARG_H}>:${CMAKE_BINARY_DIR}/include/stdarg.h>
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$<$<BOOL:${NEED_MATH_H}>:${CMAKE_BINARY_DIR}/include/math.h>
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$<$<BOOL:${CONFIG_ARCH_FLOAT_H}>:${CMAKE_BINARY_DIR}/include/float.h>
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$<$<BOOL:${CONFIG_ARCH_SETJMP_H}>:${CMAKE_BINARY_DIR}/include/setjmp.h>)
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