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https://issues.apache.org/jira/browse/ORC-34?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun closed ORC-34.
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Resolution: Cannot Reproduce
> Can not compile on windows 10 and VS2015
> ----------------------------------------
>
> Key: ORC-34
> URL: https://issues.apache.org/jira/browse/ORC-34
> Project: ORC
> Issue Type: Bug
> Components: build
> Affects Versions: 1.0.0
> Reporter: Yuxing Yao
> Priority: Major
>
> With Cmake 3.4.0 RC2/VS2015/windows SDK 10
> I met a problem while build protobuf in the project which caused by some
> code in protobuf/config.h generated by cmake:
> ```
> /* the location of <unordered_map> or <hash_map> */
> #define HASH_MAP_H <unordered_map>
> /* the namespace of hash_map/hash_set */
> #define HASH_NAMESPACE std
> ```
> but there's another piece of code in hash.h trying to inherit std::hash_map :
> ```
> #include HASH_MAP_H
> ...
> template <typename Key, typename Data,
> typename HashFcn = hash<Key>,
> typename EqualKey = int >
> class hash_map : public HASH_NAMESPACE::hash_map<
> Key, Data, HashFcn> {
> public:
> hash_map(int = 0) {}
> };
> ```
> std::unordered_map is imported but requires std::hash_map. Definitely can not
> compile.
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