forked from boostorg/regex
With the Boost.Regex to ehader-only library, the declaration of a mutex that should have been changed from boost::static_mutex to std::mutex was left behind. This was preventing regex from being built for older arm platforms [1] [1]: https://github.com/openwrt/packages/issues/15725 Signed-off-by: Carlos Miguel Ferreira <carlosmf.pt@gmail.com>