{"action":"created","issue":{"url":"https://api.github.com/repos/slavapestov/factor/issues/1440","labels_url":"https://api.github.com/repos/slavapestov/factor/issues/1440/labels{/name}","comments_url":"https://api.github.com/repos/slavapestov/factor/issues/1440/comments","events_url":"https://api.github.com/repos/slavapestov/factor/issues/1440/events","html_url":"https://github.com/slavapestov/factor/issues/1440","id":101099731,"number":1440,"title":"older gcc and clang can't compile factor correctly","user":{"login":"erg","id":27430,"avatar_url":"https://avatars.githubusercontent.com/u/27430?v=3","gravatar_id":"","url":"https://api.github.com/users/erg","html_url":"https://github.com/erg","followers_url":"https://api.github.com/users/erg/followers","following_url":"https://api.github.com/users/erg/following{/other_user}","gists_url":"https://api.github.com/users/erg/gists{/gist_id}","starred_url":"https://api.github.com/users/erg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/erg/subscriptions","organizations_url":"https://api.github.com/users/erg/orgs","repos_url":"https://api.github.com/users/erg/repos","events_url":"https://api.github.com/users/erg/events{/privacy}","received_events_url":"https://api.github.com/users/erg/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/slavapestov/factor/labels/build-support","name":"build-support","color":"DDDDDD"},{"url":"https://api.github.com/repos/slavapestov/factor/labels/vm","name":"vm","color":"DDDDDD"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-08-14T20:42:45Z","updated_at":"2015-08-16T05:36:42Z","closed_at":null,"body":"It's obvious, because you get a compiler error, but maybe there are versions that compile successfully but are subtly wrong?\r\n\r\nWe should enforce a minimum version for gcc, clang, and visual studio in factor.sh (rather than switch to ``cmake``) and we should document this in the ``README.md``.\r\n\r\nWhat are safe minimum versions?\r\n\r\n```\r\nNot safe:\r\ngcc 4.7.2\r\nDebian clang version 3.0-6.2 (tags/RELEASE_30/final) (based on LLVM 3.0)\r\n```\r\n\r\n```\r\nSafe:\r\nvisual studio vc2015\r\nvisual studio vc2013 works too!\r\n\r\nergmac:factor erg$ [master*] clang --version\r\nApple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)\r\nTarget: x86_64-apple-darwin14.4.0\r\nThread model: posix\r\n\r\nerg@ubuntu64:~/factor$ gcc --version\r\ngcc (Ubuntu 4.9.2-10ubuntu13) 4.9.2\r\n```\r\n\r\n\r\nSide note:\r\nI love how apple aliases gcc to clang. Haha.\r\n```\r\nergmac:factor erg$ [master*] gcc\r\nclang: error: no input files\r\n```"},"comment":{"url":"https://api.github.com/repos/slavapestov/factor/issues/comments/131491955","html_url":"https://github.com/slavapestov/factor/issues/1440#issuecomment-131491955","issue_url":"https://api.github.com/repos/slavapestov/factor/issues/1440","id":131491955,"user":{"login":"erg","id":27430,"avatar_url":"https://avatars.githubusercontent.com/u/27430?v=3","gravatar_id":"","url":"https://api.github.com/users/erg","html_url":"https://github.com/erg","followers_url":"https://api.github.com/users/erg/followers","following_url":"https://api.github.com/users/erg/following{/other_user}","gists_url":"https://api.github.com/users/erg/gists{/gist_id}","starred_url":"https://api.github.com/users/erg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/erg/subscriptions","organizations_url":"https://api.github.com/users/erg/orgs","repos_url":"https://api.github.com/users/erg/repos","events_url":"https://api.github.com/users/erg/events{/privacy}","received_events_url":"https://api.github.com/users/erg/received_events","type":"User","site_admin":false},"created_at":"2015-08-16T05:36:42Z","updated_at":"2015-08-16T05:36:42Z","body":"MSFT is an open-source/free-as-in-beer/free-as-in-speech altruistic company and champion of developers developers developers. Visual Studio 2013 and 2015 are both free for personal use and both compile Factor.\r\n"}}