Don't include xlocale.h on Linux without glibc #1165
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For glibc based systems,
xlocale.his already excluded. On Linux distributions with musl libc (for example Alpine Linux),xlocale.his unavailable as well. As there is no macro to detect musl, my suggested fix would be to rely on__linux__and assume thatxlocale.his not required on Linux systems in general. I left the check for__GLIBC__there in case__linux__is not available (for whatever reason).