diff --git a/cmake_modules/FindPackageMessage.cmake b/cmake_modules/FindPackageMessage.cmake new file mode 100644 index 0000000000000000000000000000000000000000..eb398b2aedb4449f7a7d7d31291150d121aee723 --- /dev/null +++ b/cmake_modules/FindPackageMessage.cmake @@ -0,0 +1,48 @@ +# FIND_PACKAGE_MESSAGE( "message for user" "find result details") +# +# This macro is intended to be used in FindXXX.cmake modules files. +# It will print a message once for each unique find result. +# This is useful for telling the user where a package was found. +# The first argument specifies the name (XXX) of the package. +# The second argument specifies the message to display. +# The third argument lists details about the find result so that +# if they change the message will be displayed again. +# The macro also obeys the QUIET argument to the find_package command. +# +# Example: +# +# IF(X11_FOUND) +# FIND_PACKAGE_MESSAGE(X11 "Found X11: ${X11_X11_LIB}" +# "[${X11_X11_LIB}][${X11_INCLUDE_DIR}]") +# ELSE(X11_FOUND) +# ... +# ENDIF(X11_FOUND) + +#============================================================================= +# Copyright 2008-2009 Kitware, Inc. +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +FUNCTION(FIND_PACKAGE_MESSAGE pkg msg details) + # Avoid printing a message repeatedly for the same find result. + IF(NOT ${pkg}_FIND_QUIETLY) + SET(DETAILS_VAR FIND_PACKAGE_MESSAGE_DETAILS_${pkg}) + IF(NOT "${details}" STREQUAL "${${DETAILS_VAR}}") + # The message has not yet been printed. + MESSAGE(STATUS "${msg}") + + # Save the find details in the cache to avoid printing the same + # message again. + SET("${DETAILS_VAR}" "${details}" + CACHE INTERNAL "Details about finding ${pkg}") + ENDIF(NOT "${details}" STREQUAL "${${DETAILS_VAR}}") + ENDIF(NOT ${pkg}_FIND_QUIETLY) +ENDFUNCTION(FIND_PACKAGE_MESSAGE)