2020-09-23 01:55:55 -04:00
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# Top-level cmake file for building MicroPython on ESP32.
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2021-04-21 20:26:52 -04:00
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cmake_minimum_required(VERSION 3.12)
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2020-09-23 01:55:55 -04:00
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# Set the location of this port's directory.
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set(MICROPY_PORT_DIR ${CMAKE_SOURCE_DIR})
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# Set the board if it's not already set.
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if(NOT MICROPY_BOARD)
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set(MICROPY_BOARD GENERIC)
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endif()
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# Set the board directory and check that it exists.
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if(NOT MICROPY_BOARD_DIR)
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set(MICROPY_BOARD_DIR ${MICROPY_PORT_DIR}/boards/${MICROPY_BOARD})
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endif()
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if(NOT EXISTS ${MICROPY_BOARD_DIR}/mpconfigboard.cmake)
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message(FATAL_ERROR "Invalid MICROPY_BOARD specified: ${MICROPY_BOARD}")
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endif()
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# Define the output sdkconfig so it goes in the build directory.
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set(SDKCONFIG ${CMAKE_BINARY_DIR}/sdkconfig)
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# Include board config; this is expected to set SDKCONFIG_DEFAULTS (among other options).
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include(${MICROPY_BOARD_DIR}/mpconfigboard.cmake)
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# Concatenate all sdkconfig files into a combined one for the IDF to use.
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file(WRITE ${CMAKE_BINARY_DIR}/sdkconfig.combined.in "")
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foreach(SDKCONFIG_DEFAULT ${SDKCONFIG_DEFAULTS})
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file(READ ${SDKCONFIG_DEFAULT} CONTENTS)
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file(APPEND ${CMAKE_BINARY_DIR}/sdkconfig.combined.in "${CONTENTS}")
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endforeach()
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configure_file(${CMAKE_BINARY_DIR}/sdkconfig.combined.in ${CMAKE_BINARY_DIR}/sdkconfig.combined COPYONLY)
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set(SDKCONFIG_DEFAULTS ${CMAKE_BINARY_DIR}/sdkconfig.combined)
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# Include main IDF cmake file and define the project.
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include($ENV{IDF_PATH}/tools/cmake/project.cmake)
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project(micropython)
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