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Only warn about Doxygen missing when Pico SDK is the top-level project #421

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Only warn about Doxygen missing when Pico SDK is the top-level project #421

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10 changes: 7 additions & 3 deletions docs/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,6 +1,10 @@
find_package(Doxygen)
if (PICO_SDK_TOP_LEVEL_PROJECT AND ${DOXYGEN_FOUND})
set(PICO_BUILD_DOCS_DEFAULT 1)
find_package(Doxygen QUIET)
if (PICO_SDK_TOP_LEVEL_PROJECT)
if (DOXYGEN_FOUND)
set(PICO_BUILD_DOCS_DEFAULT 1)
else()
message("Doxygen was not found (needed to generate documentation)")
endif()
endif()
option(PICO_BUILD_DOCS "Build HTML Doxygen docs" ${PICO_BUILD_DOCS_DEFAULT})

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