{"action":"opened","issue":{"url":"https://api.github.com/repos/grpc/grpc/issues/4675","labels_url":"https://api.github.com/repos/grpc/grpc/issues/4675/labels{/name}","comments_url":"https://api.github.com/repos/grpc/grpc/issues/4675/comments","events_url":"https://api.github.com/repos/grpc/grpc/issues/4675/events","html_url":"https://github.com/grpc/grpc/issues/4675","id":126067634,"number":4675,"title":"Python build from source: protobuf configure fails","user":{"login":"awan1","id":6291092,"avatar_url":"https://avatars.githubusercontent.com/u/6291092?v=3","gravatar_id":"","url":"https://api.github.com/users/awan1","html_url":"https://github.com/awan1","followers_url":"https://api.github.com/users/awan1/followers","following_url":"https://api.github.com/users/awan1/following{/other_user}","gists_url":"https://api.github.com/users/awan1/gists{/gist_id}","starred_url":"https://api.github.com/users/awan1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/awan1/subscriptions","organizations_url":"https://api.github.com/users/awan1/orgs","repos_url":"https://api.github.com/users/awan1/repos","events_url":"https://api.github.com/users/awan1/events{/privacy}","received_events_url":"https://api.github.com/users/awan1/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-01-12T00:09:43Z","updated_at":"2016-01-12T00:09:43Z","closed_at":null,"body":"On Linux (a Google Compute Engine instance), following [the tutorial](https://github.com/grpc/grpc/blob/master/src/python/README.md). \r\n\r\n- Cloned repository\r\n- `sudo pip install tox`\r\n- Initialized submodules\r\n- When running `make` in the repository directory, get (after the first time):\r\n\r\n[MAKE]    Generating cache.mk\r\nmake: Circular /home/adrianwan/grpc/libs/opt/libboringssl.a <- /home/adrianwan/grpc/libs/opt/libboringssl.a dependency dropped.\r\n[AUTOGEN] Preparing protobuf\r\n/bin/sh: 1: autoreconf: not found\r\nMakefile:1036: recipe for target 'third_party/protobuf/configure' failed\r\nmake: *** [third_party/protobuf/configure] Error 127\r\n\r\n"}}