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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2019/09/25 08:58:14 UTC
[GitHub] [incubator-doris] yangzhg edited a comment on issue #1862: complie
failed when using direct compilation
yangzhg edited a comment on issue #1862: complie failed when using direct compilation
URL: https://github.com/apache/incubator-doris/issues/1862#issuecomment-534920325
finally i found the reason of why cannot complie in gcc5. becaue of c++11 can't use enum class as unordered_map key, ref https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970 .
This was considered a defect in the standard, and was fixed in C++14: http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2148
so it need to provide a specialization of std::hash
I will fix it today
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