Im sorry I didnt describe the problem correctly I use debian GNU/Linux (13)
On Fri, 17 Jul 2026, 21:07 Samuel Thibault, <[email protected]> wrote: > Hello, > > Again, you need to tell us what you are doing. Are you compiling under > GNU/Hurd or under GNU/Linux? Always remember the xy problem > https://xyproblem.info/ > > Ahmed Khider, le ven. 17 juil. 2026 20:43:54 +0300, a ecrit: > > When I tried to compile my c file, the linker > > > > throw an error : undefined reference to > > Since it's an undefined reference, the problem is *not* a missing > header, but an missing link piece. But mach_msg is normally provided by > the libc, so that can't be a missing flag or such, but rather a problem > with your compilation chain. Thus back to the question: what are you > actually doing? > > Samuel >
