> This is new with the Xcode 16 update. > > Going by the dicussion in https://trac.macports.org/ticket/70859 this is > because Apple now requires 16 byte alignment for functions and the gmp ASM > routines specify 8 byte alignment. > > The proposed solution is to build gmp with --disable-assembly.
nicely found. https://www.netbsd.org/~mrg/gmp-macos-noasm.diff should work as a general fix (runs OK on netbsd at least ;) .mrg.