distro: gcc: Do not store configure flags in the resulting binaries. * distro/base.scm (gcc-4.7): Add a `post-configure' phase to clear `TOPLEVEL_CONFIGURE_ARGUMENTS' in the top-level `Makefile'.
distro: Add missing Binutils patch. * distro/patches/binutils-ld-new-dtags.patch: New file. * Makefile.am (dist_patch_DATA): Add it.
distro: Add the GNU C Library. * distro/base.scm (glibc): New variable.
distro: Add Linux headers. * distro/base.scm (linux-headers): New variable.
distro: Add GNU Binutils. * distro/base.scm (binutils): New variable.
distro: Add GCC. * distro/base.scm (gcc-4.7): New variable.
distro: coreutils: Remove erroneous hack. * distro/base.scm (coreutils)[arguments]: Remove "FORCE_UNSAFE_CONFIGURE" setting, since in fact, this is no problem when using Nix with separate build users.
distro: Add GNU Coreutils. * distro/base.scm (coreutils): New variable.
distro: Add XZ. * distro/base.scm (xz): New variable.
distro: Add GNU gzip. * distro/base.scm (gzip): New variable.
distro: Add GNU Patch. * distro/base.scm (patch): New variable.
distro: Add GNU Diffutils. * distro/base.scm (diffutils): New variable.
distro: Move patches to their own directory. * Makefile.am (nobase_dist_guilemodule_DATA): Keep only $(MODULES). (patchdir): New variable. (dist_patch_DATA): New variable. Patch files formerly in $(nobase_dist_guilemodule_DATA). (.scm.go): Define `DISTRO_PATCH_DIRECTORY' and `DISTRO_INSTALLED_PATCH_DIRECTORY'. (TESTS_ENVIRONMENT): Define `DISTRO_PATCH_DIRECTORY'. * distro.scm (%patch-directory): New variable. (search-patch): New procedure. * distro/base.scm: Use `search-patch' instead of `(search-path %load-path ...)'. * distro/findutils-absolute-paths.patch, distro/guile-1.8-cpp-4.5.patch, distro/m4-readlink-EINVAL.patch, distro/m4-s_isdir.patch, distro/make-impure-dirs.patch: Move to `distro/patches'.
distro: Add GNU Findutils. * distro/base.scm (findutils): New variable. * distro/findutils-absolute-paths.patch: New file. * Makefile.am (nobase_dist_guilemodule_DATA): Add it.
distro: Add GNU grep. * distro/base.scm (grep): New variable.
distro: Add GNU tar. * distro/base.scm (tar): New variable.
distro: Add GNU sed. * distro/base.scm (sed): New variable.
distro: Add GNU Bash. * distro/base.scm (bash): New variable.
distro: Add GNU Make. * distro/base.scm (gnu-make): New variable. * distro/make-impure-dirs.patch: New file. * Makefile.am (nobase_dist_guilemodule_DATA): Add it.
distro: gmp: Fix typo in URL. * distro/base.scm (gmp): Fix URL.