* guix/utils.scm (compile-time-value): New macro. (%nixpkgs-directory): Use it. * guix/build-system/gnu.scm (%standard-inputs): Likewise.
configure-flags' and
* guix/build-system/gnu.scm (gnu-build): Double-quote the default value of MAKE-FLAGS and CONFIGURE-FLAGS. Don't quote them in BUILDER.
* Makefile.am (MODULES): Add `guix/build-system.scm' and `guix/build-system/gnu.scm'. Remove `guix/gnu-build-system.scm'. * guix/build-system.scm: New file. * guix/gnu-build-system.scm: Rename to... * guix/build-system/gnu.scm: ... this. (gnu-build-system): New variable. * tests/builders.scm: Adjust `use-module' clauses. ("gnu-build-system"): New test.