daac2d55ab
Move Zephyr CMake script mode handling from package_helper.cmake into extensions.cmake. This ensures that all Zephyr CMake script which includes extensions.cmake will have the same functions stubbed or mocked and thus does not need to replicate this behavior. Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
101 lines
3.5 KiB
CMake
101 lines
3.5 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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#
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# Copyright (c) 2021, Nordic Semiconductor ASA
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# The Zephyr package helper script provides a generic script mode interface
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# to the Zephyr CMake package and module structure.
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#
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# The purpose of this script is to provide a single entry for running any Zephyr
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# build tool that is executed during CMake configure time without creating a
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# complete build system.
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#
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# It does so by loading the Zephyr CMake modules specified with the 'MODULES'
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# argument.
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#
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# This script executes the given module identical to Zephyr CMake configure time.
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# The application source directory must be specified using
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# '-S <path-to-sample>'
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#
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# The build directory will default to current working directory but can be
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# controlled with: '-B <path-to-build>'
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#
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# For example, if you were invoking CMake for 'hello_world' sample as:
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# $ cmake -DBOARD=<board> -B build -S samples/hello_world
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#
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# you can invoke only dts module (and dependencies) as:
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# $ cmake -DBOARD=<board> -B build -S samples/hello_world \
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# -DMODULES=dts -P <ZEPHYR_BASE>/cmake/package_helper.cmake
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#
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# It is also possible to pass additional build settings.
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# If you invoke CMake for 'hello_world' as:
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#
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# $ cmake -DBOARD=<board> -B build -S samples/hello_world -DEXTRA_CONF_FILE=foo.conf
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#
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# you just add the same argument to the helper like:
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# $ cmake -DBOARD=<board> -B build -S samples/hello_world -DEXTRA_CONF_FILE=foo.conf \
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# -DMODULES=dts -P <ZEPHYR_BASE>/cmake/package_helper.cmake
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#
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# Note: the samples CMakeLists.txt file is not processed by package helper, so
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# any 'set(<var> <value>)' specified before 'find_package(Zephyr)' must be
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# manually applied, for example if the CMakeLists.txt contains:
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# set(EXTRA_CONF_FILE foo.conf)
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# find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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# the 'foo.conf' must be specified using '-DEXTRA_CONF_FILE=foo.conf'
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cmake_minimum_required(VERSION 3.20.5)
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# Find last `-B` and `-S` instances.
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foreach(i RANGE ${CMAKE_ARGC})
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if(CMAKE_ARGV${i} MATCHES "^-B(.*)")
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set(argB ${CMAKE_MATCH_1})
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set(argB_index ${i})
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elseif()
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elseif(CMAKE_ARGV${i} MATCHES "^-S(.*)")
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set(argS_index ${i})
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set(argS ${CMAKE_MATCH_1})
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endif()
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endforeach()
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if(DEFINED argB_index)
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if(DEFINED argB)
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set(CMAKE_BINARY_DIR ${argB})
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else()
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# value of -B follows in next index
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math(EXPR argB_value_index "${argB_index} + 1")
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set(CMAKE_BINARY_DIR ${CMAKE_ARGV${argB_value_index}})
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endif()
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endif()
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if(DEFINED argS_index)
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if(DEFINED argS)
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set(APPLICATION_SOURCE_DIR ${argS})
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else()
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# value of -S follows in next index
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math(EXPR argS_value_index "${argS_index} + 1")
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set(APPLICATION_SOURCE_DIR ${CMAKE_ARGV${argS_value_index}})
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endif()
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endif()
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if(NOT DEFINED APPLICATION_SOURCE_DIR)
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message(FATAL_ERROR
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"Source directory not defined, please use '-S <path-to-source>' to the "
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"application for which this tool shall run.\n"
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"For example: -S ${ZEPHYR_BASE}/samples/hello_world"
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)
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endif()
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if(DEFINED APPLICATION_SOURCE_DIR)
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cmake_path(ABSOLUTE_PATH APPLICATION_SOURCE_DIR NORMALIZE)
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endif()
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cmake_path(ABSOLUTE_PATH CMAKE_BINARY_DIR NORMALIZE)
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set(CMAKE_CURRENT_BINARY_DIR ${CMAKE_BINARY_DIR})
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if(NOT DEFINED MODULES)
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message(FATAL_ERROR
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"No MODULES defined, please invoke package helper with minimum one module"
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" to execute in script mode."
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)
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endif()
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string(REPLACE ";" "," MODULES "${MODULES}")
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE} COMPONENTS zephyr_default:${MODULES})
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