You must to configure applying some 32-bits flags in ./configure step Here you can see the flags
$ [...]/configure --host=i686-gnu CC='gcc -m32' LD='ld -melf_i386' http://git.savannah.gnu.org/cgit/hurd/gnumach.git/tree/README El dom, 7 feb 2021 a las 16:23, Paul Dufresne (<dufres...@zoho.com>) escribió: > Trying to build Mach on Ubuntu 20.10. > > I had a problem: > From: > https://www.gnu.org/software/hurd/microkernel/mach/gnumach/building.html > I was doing: CPP='gcc -m32 -E -x c -undef -ansi' CC='gcc -m32' LD='ld > -melf_i386' ../configure --prefix= --host=i686-unknown-linux-gnu > configure: error: in `/home/paul/mymach/gnumach/build': > configure: error: C compiler cannot create executables > See `config.log' for more details > > I fixed it with: sudo apt install gcc-multilib > > Also, after building mig: I was adding ~/bin to my PATH where ~/bin/mig > was a symlink to ~/gnu/bin/mig ... as suggested in the doc... > that was not working, as it search ../libexec/migcom from ~/bin rather > than from ~/gnu/bin ... note ~/gnu/libexec/migcom exist > So now I add to the PATH: ~/gnu/bin > > Now my current problem is: > paul@jacko:~/mymach/gnumach/build$ LANG=C make gnumach.gz > ld -melf_i386 -u _start -r -o gnumach.o libkernel.a liblinux.a > liblinux_pcmcia_cs_modules.a liblinux_pcmcia_cs_clients.a > liblinux_pcmcia_cs_wireless.a > ld: relocatable linking with relocations from format elf64-x86-64 > (libkernel.a(model_dep.o)) to format elf32-i386 (gnumach.o) is not supported > make: *** [Makefile:4813: gnumach.o] Error 1 > > I begin to think I should build Mach on GNU Hurd/Mach. > > >
