https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58929
--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Victor Mataré from comment #10) > OK, thanks for the clarification. But I feel I need to point out that that's > just a huge WTF. How is a C++ dev supposed to know from the standard docs > they work with all day that a condition_variable has any relation to > libpthread? You're not compiling with the standard, you're using GCC. The requirement to use libpthread is documented by the implementation (although it could be easier to find): https://gcc.gnu.org/onlinedocs/libstdc++/manual/using.html#manual.intro.using.flags
