hi all, How can i built binarie for 32 bits i am on 64 bits. with gcc i get: --------------------------------------------------------- guy@guixSd ~/tuto/c$ gcc -m32 -o hello hello.c In file included from /home/guy/.guix-profile/include/features.h:452, from /home/guy/.guix-profile/include/bits/libc-header-start.h:33, from /home/guy/.guix-profile/include/stdio.h:27, from hello.c:1: /home/guy/.guix-profile/include/gnu/stubs.h:7:11: erreur fatale: gnu/stubs-32.h : Aucun fichier ou dossier de ce type # include ^~~~~~~~~~~~~~~~ compilation terminée. ------------------------------------------------------------------------------------------------------- which package to download?