{"action":"opened","issue":{"url":"https://api.github.com/repos/dorian3d/DLib/issues/4","repository_url":"https://api.github.com/repos/dorian3d/DLib","labels_url":"https://api.github.com/repos/dorian3d/DLib/issues/4/labels{/name}","comments_url":"https://api.github.com/repos/dorian3d/DLib/issues/4/comments","events_url":"https://api.github.com/repos/dorian3d/DLib/issues/4/events","html_url":"https://github.com/dorian3d/DLib/issues/4","id":143664363,"number":4,"title":"legacy.hpp no such file","user":{"login":"houz42","id":4497443,"avatar_url":"https://avatars.githubusercontent.com/u/4497443?v=3","gravatar_id":"","url":"https://api.github.com/users/houz42","html_url":"https://github.com/houz42","followers_url":"https://api.github.com/users/houz42/followers","following_url":"https://api.github.com/users/houz42/following{/other_user}","gists_url":"https://api.github.com/users/houz42/gists{/gist_id}","starred_url":"https://api.github.com/users/houz42/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/houz42/subscriptions","organizations_url":"https://api.github.com/users/houz42/orgs","repos_url":"https://api.github.com/users/houz42/repos","events_url":"https://api.github.com/users/houz42/events{/privacy}","received_events_url":"https://api.github.com/users/houz42/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-03-26T05:13:46Z","updated_at":"2016-03-26T05:13:46Z","closed_at":null,"body":"I am compiling DLib with opencv 2.4.12 on Ubuntu 14.04, failed with this cmake error:\r\n```\r\n[  6%] Building CXX object CMakeFiles/DLib.dir/src/DVision/FSolver.cpp.o\r\nIn file included from /home/hou/slam/dlib/include/DUtilsCV/DUtilsCV.h:47:0,\r\n                 from /home/hou/slam/dlib/src/DVision/FSolver.cpp:17:\r\n/home/hou/slam/dlib/include/DUtilsCV/IO.h:17:37: fatal error: opencv2/legacy/legacy.hpp: No such file or directory\r\n #include <opencv2/legacy/legacy.hpp>\r\n```\r\n\r\nI am not familiar with these compiling things, could anyone be help?"}}