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Re: Updated: gcc-7.3.0-2 (x86/x86_64)

On 5/30/2018 7:58 AM, JonY wrote:
On 05/29/2018 05:32 PM, Alberto Escrig Vidal wrote:
This program fails to compile (it also failed with g++-6).

#include <shared_mutex>

int main() {}

I'm guessing Cygwin does not support the functionality declared in the
headers yet.

I think the explanation is simpler. The problem is that the shared_mutex header uses some pthread_rwlock_* functions (if __cplusplus >= 201402L) but the declaration of these in pthread.h is guarded by

  #if __XSI_VISIBLE >= 500 || __POSIX_VISIBLE >= 200112

I've submitted a patch to fix this:



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