The function GetLang is ResMgr is no longer used. It is used by only one function, SubstitutePathVariables::SetPredefinedPathVariables() in the framework module. It would be better removed from the class and added as it's own function in framework/source/services/substitutepathvars.cxx
Chris Sherlock committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=570e5d70f32aeb34b1c1ad7623c71f7363ce4dfc fdo#74425 Remove deprecated static function ResMgr::GetLang() The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.