On Tue, Apr 30, 2019 at 08:58:08AM +0100, Jonathan Wakely wrote: > On 29/04/19 18:16 +0200, Georg Sauthoff wrote: > > On Mon, Apr 29, 2019 at 05:11:53PM +0200, Dan Čermák wrote: > > > John Reiser <jreiser@xxxxxxxxxxxx> writes: > > [..] > > > > What is the nature of the incompatibilities, and what are specific > > > > examples? > > > > > > We switched to from the POSIX regex library to <regex> as it should be > > > provided by a C++11 compatible compiler. Unfortunately gcc 4.8.5 does > > > not properly implement <regex> and it made a lot of tests fail. We have > > > therefore switched to using the SCL gcc & clang compiler for now. > > > > Yes, at least GCC 4.8/4.9 (with the then current libstdc++) > > featured a severely broken <regex> (e.g. also on Fedora 19). > > GCC 4.8 does, but the std::regex in 4.9 is OK. > https://stackoverflow.com/questions/12530406/is-gcc-4-8-or-earlier-buggy-about-regular-expressions/12665408#12665408 There were also some std::regex issues in 4.9, e.g.: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64302 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64303 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63497 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61582 (still open) Best regards Georg -- "No one can write decently who is distrustful of the reader's intelligence, or whose attitude is patronizing." (William Strunk, Jr. and E.B. White, The Elements of Style, p. 70, 1959) _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx
