pico_tnc/pico_extras_import.cmake

62 wiersze
2.9 KiB
CMake

# This is a copy of <PICO_EXTRAS_PATH>/external/pico_extras_import.cmake
# This can be dropped into an external project to help locate pico-extras
# It should be include()ed prior to project()
if (DEFINED ENV{PICO_EXTRAS_PATH} AND (NOT PICO_EXTRAS_PATH))
set(PICO_EXTRAS_PATH $ENV{PICO_EXTRAS_PATH})
message("Using PICO_EXTRAS_PATH from environment ('${PICO_EXTRAS_PATH}')")
endif ()
if (DEFINED ENV{PICO_EXTRAS_FETCH_FROM_GIT} AND (NOT PICO_EXTRAS_FETCH_FROM_GIT))
set(PICO_EXTRAS_FETCH_FROM_GIT $ENV{PICO_EXTRAS_FETCH_FROM_GIT})
message("Using PICO_EXTRAS_FETCH_FROM_GIT from environment ('${PICO_EXTRAS_FETCH_FROM_GIT}')")
endif ()
if (DEFINED ENV{PICO_EXTRAS_FETCH_FROM_GIT_PATH} AND (NOT PICO_EXTRAS_FETCH_FROM_GIT_PATH))
set(PICO_EXTRAS_FETCH_FROM_GIT_PATH $ENV{PICO_EXTRAS_FETCH_FROM_GIT_PATH})
message("Using PICO_EXTRAS_FETCH_FROM_GIT_PATH from environment ('${PICO_EXTRAS_FETCH_FROM_GIT_PATH}')")
endif ()
if (NOT PICO_EXTRAS_PATH)
if (PICO_EXTRAS_FETCH_FROM_GIT)
include(FetchContent)
set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
if (PICO_EXTRAS_FETCH_FROM_GIT_PATH)
get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_EXTRAS_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
endif ()
FetchContent_Declare(
PICO_EXTRAS
GIT_REPOSITORY https://github.com/raspberrypi/pico-extras
GIT_TAG master
)
if (NOT PICO_EXTRAS)
message("Downloading PICO EXTRAS")
FetchContent_Populate(PICO_EXTRAS)
set(PICO_EXTRAS_PATH ${PICO_EXTRAS_SOURCE_DIR})
endif ()
set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
else ()
if (PICO_SDK_PATH AND EXISTS "${PICO_SDK_PATH}/../pico-extras")
set(PICO_EXTRAS_PATH ${PICO_SDK_PATH}/../pico-extras)
message("Defaulting PICO_EXTRAS_PATH as sibling of PICO_SDK_PATH: ${PICO_EXTRAS_PATH}")
else()
message(FATAL_ERROR
"PICO EXTRAS location was not specified. Please set PICO_EXTRAS_PATH or set PICO_EXTRAS_FETCH_FROM_GIT to on to fetch from git."
)
endif()
endif ()
endif ()
set(PICO_EXTRAS_PATH "${PICO_EXTRAS_PATH}" CACHE PATH "Path to the PICO EXTRAS")
set(PICO_EXTRAS_FETCH_FROM_GIT "${PICO_EXTRAS_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of PICO EXTRAS from git if not otherwise locatable")
set(PICO_EXTRAS_FETCH_FROM_GIT_PATH "${PICO_EXTRAS_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download EXTRAS")
get_filename_component(PICO_EXTRAS_PATH "${PICO_EXTRAS_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
if (NOT EXISTS ${PICO_EXTRAS_PATH})
message(FATAL_ERROR "Directory '${PICO_EXTRAS_PATH}' not found")
endif ()
set(PICO_EXTRAS_PATH ${PICO_EXTRAS_PATH} CACHE PATH "Path to the PICO EXTRAS" FORCE)
add_subdirectory(${PICO_EXTRAS_PATH} pico_extras)