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59 lines
2.3 KiB
59 lines
2.3 KiB
find_package(Doxygen QUIET)
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if (PICO_SDK_TOP_LEVEL_PROJECT AND ${DOXYGEN_FOUND})
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set(PICO_BUILD_DOCS_DEFAULT 1)
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endif()
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option(PICO_BUILD_DOCS "Build HTML Doxygen docs" ${PICO_BUILD_DOCS_DEFAULT})
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if (DEFINED ENV{PICO_EXAMPLES_PATH} AND NOT PICO_EXAMPLES_PATH)
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set(PICO_EXAMPLES_PATH $ENV{PICO_EXAMPLES_PATH})
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message("Using PICO_EXAMPLES_PATH from environment ('${PICO_EXAMPLES_PATH}')")
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endif()
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if(PICO_BUILD_DOCS)
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if(NOT DOXYGEN_FOUND)
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message(FATAL_ERROR "Doxygen is needed to build the documentation.")
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endif()
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include(ExternalProject)
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if(PICO_EXAMPLES_PATH)
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get_filename_component(PICO_EXAMPLES_PATH "${PICO_EXAMPLES_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
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if (EXISTS ${PICO_EXAMPLES_PATH})
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message("Documentation example code will come from ${PICO_EXAMPLES_PATH}")
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else()
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message(WARNING "Documentation example code configured to come from ${PICO_EXAMPLES_PATH}, but that path does not exist")
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endif()
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add_custom_target(doc-pico-examples)
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else()
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ExternalProject_Add(doc-pico-examples
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GIT_REPOSITORY https://github.com/raspberrypi/pico-examples
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GIT_TAG master
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CONFIGURE_COMMAND ""
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BUILD_COMMAND ""
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INSTALL_COMMAND ""
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)
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ExternalProject_Get_property(doc-pico-examples SOURCE_DIR)
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ExternalProject_Get_property(doc-pico-examples GIT_REPOSITORY)
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ExternalProject_Get_property(doc-pico-examples GIT_TAG)
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set(PICO_EXAMPLES_PATH ${SOURCE_DIR})
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message("Documentation example code will come from git repo ${GIT_REPOSITORY}, branch ${GIT_TAG}")
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endif()
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set(DOXY_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/doxygen")
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set(DOXY_INPUT_DIRS "${PICO_DOXYGEN_PATHS}")
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set(DOXY_EXCLUDE_DIRS "${PICO_DOXYGEN_EXCLUDE_PATHS}")
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set(DOXY_EXAMPLE_DIR "${PICO_EXAMPLES_PATH}")
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set(doxyfile_in ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in)
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set(doxyfile ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
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configure_file(${doxyfile_in} ${doxyfile} @ONLY)
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add_custom_target(docs
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COMMAND ${DOXYGEN_EXECUTABLE} ${doxyfile}
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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COMMENT "Generating API documentation with Doxygen"
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VERBATIM)
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add_dependencies(docs doc-pico-examples)
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endif()
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