{"action":"created","issue":{"url":"https://api.github.com/repos/rust-lang/rust/issues/23971","labels_url":"https://api.github.com/repos/rust-lang/rust/issues/23971/labels{/name}","comments_url":"https://api.github.com/repos/rust-lang/rust/issues/23971/comments","events_url":"https://api.github.com/repos/rust-lang/rust/issues/23971/events","html_url":"https://github.com/rust-lang/rust/issues/23971","id":65943897,"number":23971,"title":"Build fails with external LLVM with ARM backend disabled","user":{"login":"pcercuei","id":403272,"avatar_url":"https://avatars.githubusercontent.com/u/403272?v=3","gravatar_id":"","url":"https://api.github.com/users/pcercuei","html_url":"https://github.com/pcercuei","followers_url":"https://api.github.com/users/pcercuei/followers","following_url":"https://api.github.com/users/pcercuei/following{/other_user}","gists_url":"https://api.github.com/users/pcercuei/gists{/gist_id}","starred_url":"https://api.github.com/users/pcercuei/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pcercuei/subscriptions","organizations_url":"https://api.github.com/users/pcercuei/orgs","repos_url":"https://api.github.com/users/pcercuei/repos","events_url":"https://api.github.com/users/pcercuei/events{/privacy}","received_events_url":"https://api.github.com/users/pcercuei/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/rust-lang/rust/labels/A-build","name":"A-build","color":"d7e102"},{"url":"https://api.github.com/repos/rust-lang/rust/labels/A-llvm","name":"A-llvm","color":"d7e102"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-04-02T14:52:26Z","updated_at":"2015-06-01T17:17:39Z","closed_at":null,"body":"When compiling with an external LLVM toolchain (using --llvm-root) that does not support the ARM backend, the compilation of the Rust compiler will fail.\r\n\r\nI traced it to mk/main.mk:270:\r\n```\r\nLLVM_COMPONENTS=x86 arm aarch64 mips powerpc ipo bitreader bitwriter linker asmparser mcjit interpreter instrumentation\r\n```\r\n\r\nThis causes the link step to fail, as \"llvm-config\" issues an error as it does not recognize the \"arm\" and \"aarch64\" components."},"comment":{"url":"https://api.github.com/repos/rust-lang/rust/issues/comments/107643885","html_url":"https://github.com/rust-lang/rust/issues/23971#issuecomment-107643885","issue_url":"https://api.github.com/repos/rust-lang/rust/issues/23971","id":107643885,"user":{"login":"tamird","id":1535036,"avatar_url":"https://avatars.githubusercontent.com/u/1535036?v=3","gravatar_id":"","url":"https://api.github.com/users/tamird","html_url":"https://github.com/tamird","followers_url":"https://api.github.com/users/tamird/followers","following_url":"https://api.github.com/users/tamird/following{/other_user}","gists_url":"https://api.github.com/users/tamird/gists{/gist_id}","starred_url":"https://api.github.com/users/tamird/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tamird/subscriptions","organizations_url":"https://api.github.com/users/tamird/orgs","repos_url":"https://api.github.com/users/tamird/repos","events_url":"https://api.github.com/users/tamird/events{/privacy}","received_events_url":"https://api.github.com/users/tamird/received_events","type":"User","site_admin":false},"created_at":"2015-06-01T17:17:39Z","updated_at":"2015-06-01T17:17:39Z","body":"Dupe of #14729?"}}