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esp32: Add some notes about the different CMake files.

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Signed-off-by: Angus Gratton <angus@redyak.com.au>
This commit is contained in:
Angus Gratton 2024-10-22 16:01:01 +11:00 committed by Damien George
parent ff70a91581
commit 043ba45bc3
2 changed files with 10 additions and 1 deletions
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5
ports/esp32/CMakeLists.txt
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@ -1,5 +1,8 @@
# Top-level cmake file for building MicroPython on ESP32.
#
# Note for maintainers: Where possible, functionality should be put into
# esp32_common.cmake not this file. This is because this CMakeLists.txt file
# needs to be duplicated for out-of-tree builds, and can easily get out of date.
cmake_minimum_required(VERSION 3.12)
# Retrieve IDF version

6
ports/esp32/esp32_common.cmake
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@ -1,3 +1,9 @@
# This is the common ESP-IDF "main component" CMakeLists.txt contents for MicroPython.
#
# This file is included directly from a main_${IDF_TARGET}/CMakeLists.txt file
# (or included from an out-of-tree main component CMakeLists.txt for out-of-tree
# builds.)
# Set location of base MicroPython directory.
if(NOT MICROPY_DIR)
get_filename_component(MICROPY_DIR ${CMAKE_CURRENT_LIST_DIR}/../.. ABSOLUTE)