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find_program(SPHINX_BUILD sphinx-build DOC "Path to sphinx-build binary.")
# graphviz dot appears to be used by sphinx and not by CMake directly. This is just found to check
# if it exists.
find_program(DOT_EXEC dot)
# Lookup for qdoc and qhelpgenerator in multiple sources: ccache var, PATH or CMake package.
set(qhelpgenerator_binary "")
set(qdoc_binary "")
if(QHELPGENERATOR_EXECUTABLE)
set(qhelpgenerator_binary "${QHELPGENERATOR_EXECUTABLE}")
else()
find_package(Qt6 QUIET COMPONENTS Tools)
if(TARGET Qt6::qhelpgenerator)
get_target_property(qhelpgenerator_binary Qt6::qhelpgenerator IMPORTED_LOCATION)
else()
find_program(QHELPGENERATOR_EXECUTABLE qhelpgenerator DOC "Path to qhelpgenerator binary.")
if(QHELPGENERATOR_EXECUTABLE)
set(qhelpgenerator_binary "${QHELPGENERATOR_EXECUTABLE}")
endif()
endif()
endif()
if(QDOC_EXECUTABLE)
set(qdoc_binary "${QDOC_EXECUTABLE}")
else()
find_package(Qt6 QUIET COMPONENTS Tools)
if(TARGET Qt6::qdoc)
get_target_property(qdoc_binary Qt6::qdoc IMPORTED_LOCATION)
else()
find_program(QDOC_EXECUTABLE qdoc DOC "Path to qdoc binary.")
if(QDOC_EXECUTABLE)
set(qdoc_binary "${QDOC_EXECUTABLE}")
endif()
endif()
endif()
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