{"action":"opened","issue":{"url":"https://api.github.com/repos/Amber-MD/pytraj/issues/1104","labels_url":"https://api.github.com/repos/Amber-MD/pytraj/issues/1104/labels{/name}","comments_url":"https://api.github.com/repos/Amber-MD/pytraj/issues/1104/comments","events_url":"https://api.github.com/repos/Amber-MD/pytraj/issues/1104/events","html_url":"https://github.com/Amber-MD/pytraj/issues/1104","id":126465880,"number":1104,"title":"Installation issue","user":{"login":"Balasubra","id":16275726,"avatar_url":"https://avatars.githubusercontent.com/u/16275726?v=3","gravatar_id":"","url":"https://api.github.com/users/Balasubra","html_url":"https://github.com/Balasubra","followers_url":"https://api.github.com/users/Balasubra/followers","following_url":"https://api.github.com/users/Balasubra/following{/other_user}","gists_url":"https://api.github.com/users/Balasubra/gists{/gist_id}","starred_url":"https://api.github.com/users/Balasubra/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Balasubra/subscriptions","organizations_url":"https://api.github.com/users/Balasubra/orgs","repos_url":"https://api.github.com/users/Balasubra/repos","events_url":"https://api.github.com/users/Balasubra/events{/privacy}","received_events_url":"https://api.github.com/users/Balasubra/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-01-13T17:03:47Z","updated_at":"2016-01-13T17:03:47Z","closed_at":null,"body":"Hi,\r\nI am new to pytraj. I dnt know if there is any discussion forum available, so i am posting my issues here.\r\n\r\nI cloned pytraj and cpptraj from github. I have been successful in compiling cpptraj without any error, following which i tried to install pytraj but i end up in the following error which i am not able to resolve. I would appreciate your help on this regard. I dnt understand whats going wrong, googlg didnot help me much.\r\n\r\npython setup.py build --disable-openmp\r\n/home/cbala/pytraj/pytraj/cyutils.cpp:25009: undefined reference to `PyInt_Type'\r\n/home/cbala/pytraj/pytraj/cyutils.cpp:25016: undefined reference to `PyLong_Type'\r\n/home/cbala/pytraj/pytraj/cyutils.cpp:25059: undefined reference to `PyLong_AsSsize_t'\r\n/home/cbala/pytraj/pytraj/cyutils.cpp:25061: undefined reference to `PyNumber_Index'\r\n/home/cbala/pytraj/pytraj/cyutils.cpp:25063: undefined reference to `PyInt_AsSsize_t'\r\nbuild/temp.linux-x86_64-2.7/pytraj/cyutils.o: In function `__Pyx_PyInt_FromSize_t':\r\n/home/cbala/pytraj/pytraj/cyutils.cpp:25068: undefined reference to `PyInt_FromSize_t'\r\ncollect2: error: ld returned 1 exit status\r\nerror: command 'c++' failed with exit status 1\r\n"}}