Kornel Benko wrote: > OK, but my second question is not answered. To what value should > LYX_USE_STD_REGEX be set?
It should be autodetected. The algorithm of autotools is: detect presence of <regex>. If available and compiler is clang, use std::regex. This is however not 100% correct: If clang is used on linux with the gcc stdlib, then a version check would be needed for the gcc stdlib as well, since it would use the broken gcc implementation of the lib comes from a gcc older than 4.9. This check is currently not implemented. Therefore it was good than Jean-Marc introduced the possibility to disable stdregex manually at 6f585055d918. Georg
