https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67195
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- The library macro is defined by the library, not the compiler. You didn't include any library headers.