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