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7a888b68da
- Defines FIND_PACKAGE_MESSAGE function to help display
find result messages only once
- Added use of it to FindPackageHandleStandardArgs
- Added use of it to FindQt4, and FindX11
- This cleans up repeated messages in big projects
36 lines
1.4 KiB
CMake
36 lines
1.4 KiB
CMake
# FIND_PACKAGE_MESSAGE(<name> "message for user" "find result details")
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#
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# This macro is intended to be used in FindXXX.cmake modules files.
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# It will print a message once for each unique find result.
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# This is useful for telling the user where a package was found.
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# The first argument specifies the name (XXX) of the package.
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# The second argument specifies the message to display.
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# The third argument lists details about the find result so that
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# if they change the message will be displayed again.
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# The macro also obeys the QUIET argument to the find_package command.
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#
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# Example:
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#
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# IF(X11_FOUND)
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# FIND_PACKAGE_MESSAGE(X11 "Found X11: ${X11_X11_LIB}"
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# "[${X11_X11_LIB}][${X11_INCLUDE_DIR}]")
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# ELSE(X11_FOUND)
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# ...
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# ENDIF(X11_FOUND)
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FUNCTION(FIND_PACKAGE_MESSAGE pkg msg details)
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# Avoid printing a message repeatedly for the same find result.
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IF(NOT ${pkg}_FIND_QUIETLY)
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SET(DETAILS_VAR FIND_PACKAGE_MESSAGE_DETAILS_${pkg})
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IF(NOT "${details}" STREQUAL "${${DETAILS_VAR}}")
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# The message has not yet been printed.
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MESSAGE(STATUS "${msg}")
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# Save the find details in the cache to avoid printing the same
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# message again.
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SET("${DETAILS_VAR}" "${details}"
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CACHE INTERNAL "Details about finding ${pkg}")
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ENDIF(NOT "${details}" STREQUAL "${${DETAILS_VAR}}")
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ENDIF(NOT ${pkg}_FIND_QUIETLY)
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ENDFUNCTION(FIND_PACKAGE_MESSAGE)
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