micropython.cmake

# This file is to be given as "make USER_C_MODULES=..." when building Micropython port

# Include LVGL component, ignore KCONFIG
separate_arguments(LV_CFLAGS_ENV UNIX_COMMAND $ENV{LV_CFLAGS})

if(ESP_PLATFORM)
    idf_build_set_property(LV_MICROPYTHON 1)
    idf_build_component(${CMAKE_CURRENT_LIST_DIR}/lvgl)
    idf_build_set_property(COMPILE_DEFINITIONS "-DLV_KCONFIG_IGNORE" APPEND)
    idf_build_set_property(COMPILE_DEFINITIONS "${LV_CFLAGS}" APPEND)
    idf_build_set_property(COMPILE_OPTIONS "-Wno-unused-function" APPEND)
    idf_build_set_property(SRCS "${LV_SRC}" APPEND)
    idf_build_set_property(INCLUDE_DIRS "${LV_INCLUDE}" APPEND)

    # Fix for idf 5.2.x
    idf_build_get_property(component_targets __COMPONENT_TARGETS)
    string(REPLACE "___idf_lvgl" "" component_targets "${component_targets}")
    idf_build_set_property(__COMPONENT_TARGETS "${component_targets}")
endif(ESP_PLATFORM)

# DEBUG LV_CONF_PATH
message(STATUS "LV_CONF_PATH=${LV_CONF_PATH}")

include(${CMAKE_CURRENT_LIST_DIR}/mkrules_usermod.cmake)

# Add lv_bindings rules

all_lv_bindings()


# # # make usermod (target declared by Micropython for all user compiled modules) link to bindings
# # # this way the bindings (and transitively lvgl_interface) get proper compilation flags
# target_link_libraries(usermod INTERFACE usermod_lvgl)

file(GLOB_RECURSE SOURCES ${CMAKE_CURRENT_LIST_DIR}/lvgl/src/*.c)

add_library(lvgl_interface INTERFACE)

target_sources(lvgl_interface INTERFACE ${SOURCES})
target_compile_options(lvgl_interface INTERFACE ${LV_CFLAGS})

# # lvgl bindings target (the mpy module)

add_library(usermod_lvgl INTERFACE)
target_sources(usermod_lvgl INTERFACE ${LV_SRC})
target_include_directories(usermod_lvgl INTERFACE ${LV_INCLUDE})
if (DEFINED LV_CONF_DIR)
    target_include_directories(usermod_lvgl INTERFACE ${LV_CONF_DIR})
endif()

file(WRITE ${LV_MP} "")

target_link_libraries(usermod_lvgl INTERFACE lvgl_interface)

# # # make usermod (target declared by Micropython for all user compiled modules) link to bindings
# # # this way the bindings (and transitively lvgl_interface) get proper compilation flags
if (DEFINED LV_CONF_DIR)
    target_include_directories(usermod INTERFACE ${LV_CONF_DIR})
endif()
target_compile_options(usermod INTERFACE -DLV_CONF_PATH="${LV_CONF_PATH}")
target_link_libraries(usermod INTERFACE usermod_lvgl)