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# Finds (or builds) the PICOTOOL executable
#
# This will define the following variables
#
# PICOTOOL_FOUND
#
# and the following imported targets
#
# PICOTOOL
#
if (NOT PICOTOOL_FOUND)
# todo we would like to use pckgconfig to look for it first
# see https://pabloariasal.github.io/2018/02/19/its-time-to-do-cmake-right/
include(ExternalProject)
set(PICOTOOL_SOURCE_DIR ${PICO_SDK_PATH}/tools/picotool)
set(PICOTOOL_BINARY_DIR ${CMAKE_BINARY_DIR}/picotool)
set(PICOTOOL_BUILD_TARGET PicotoolBuild)
set(PICOTOOL_TARGET Picotool)
if (NOT TARGET ${PICOTOOL_BUILD_TARGET})
message("PICOTOOL will need to be built")
ExternalProject_Add(${PICOTOOL_BUILD_TARGET}
PREFIX picotool SOURCE_DIR ${PICOTOOL_SOURCE_DIR}
BINARY_DIR ${PICOTOOL_BINARY_DIR}
BUILD_ALWAYS 1 # force dependency checking
INSTALL_COMMAND ""
)
endif()
set(PICOTOOL_EXECUTABLE ${PICOTOOL_BINARY_DIR}/picotool)
if(NOT TARGET ${PICOTOOL_TARGET})
add_executable(${PICOTOOL_TARGET} IMPORTED)
endif()
set_property(TARGET ${PICOTOOL_TARGET} PROPERTY IMPORTED_LOCATION
${PICOTOOL_EXECUTABLE})
add_dependencies(${PICOTOOL_TARGET} ${PICOTOOL_BUILD_TARGET})
set(PICOTOOL_FOUND 1)
endif()
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