* gnu/packages/libffi.scm (libffi): Use %standard-cross-phases as the base when cross-compiling. Add (guix build gnu-cross-build) to the #:modules when cross-compiling. Improve synopsis.
* guix/packages.scm: Re-export `%current-system'. * gnu/packages/bdw-gc.scm, gnu/packages/gawk.scm, gnu/packages/gperf.scm, gnu/packages/libffi.scm, gnu/packages/libsigsegv.scm, gnu/packages/libunistring.scm, gnu/packages/lout.scm, gnu/packages/m4.scm, gnu/packages/multiprecision.scm, gnu/packages/ncurses.scm, gnu/packages/perl.scm, gnu/packages/pkg-config.scm, gnu/packages/readline.scm, gnu/packages/recutils.scm, gnu/packages/scheme.scm: Remove (guix utils) import.
* distro: Rename to... * gnu: ... this. Update module names accordingly. * Makefile.am: Adjust accordingly. * po/POTFILES.in: Likewise. * distro.scm: Search for files under /gnu/packages instead of /distro/packages. * gnu/packages/base.scm (ld-wrapper-boot3): Likewise.