squeezelite-esp32/components/_override/CMakeLists.txt

set(lib_dir ${build_dir}/esp-idf)

set(driver i2s.c i2s_hal.c spi_bus_lock.c)
string(REPLACE ".c" ".c.obj" driver_obj "${driver}")

idf_component_register( SRCS ${driver}
					REQUIRES driver           
					INCLUDE_DIRS ${IDF_PATH}/components/driver
					PRIV_INCLUDE_DIRS ${IDF_PATH}/components/driver/include/driver
)
 
# CMake is just a pile of crap
message("!! overriding ${driver} !!")
message("CAREFUL, LIBRARIES STRIPPING FROM DUPLICATED COMPONENTS DEPENDS ON THIS BEING REBUILD")

add_custom_command(
			TARGET ${COMPONENT_LIB}
			PRE_LINK
			COMMAND xtensa-esp32-elf-ar -d ${lib_dir}/driver/libdriver.a ${driver_obj}
			VERBATIM
)