guix-build: Default the number of build cores to (current-processor-count).
* guix-build.in (guix-build): Use (current-processor-count) build cores
by default.
Add `nixpkgs-derivation*'; use it in the distro.
* guix/utils.scm (nixpkgs-derivation*): New macro.
* distro/base.scm: Use it instead of `nixpkgs-derivation'.
distro: Add GNU libunistring.
* distro/base.scm (libunistring): New variable.
(guile-2.0): Use it.
distro: Add GNU Libtool.
* distro/base.scm (libtool): New variable.
(guile-1.8, guile-2.0): Use it.
distro: Add GMP.
* distro/base.scm (gmp): New variable.
(guile-1.8, guile-2.0): Use it.
distro: Add GNU M4.
* distro/base.scm (m4): New variable.
* distro/m4-readlink-EINVAL.patch, distro/m4-s_isdir.patch: New files.
* Makefile.am (nobase_dist_guilemodule_DATA): Add them.
build: Use Automake's `gnu' option.
* configure.ac: Use Automake's `gnu' option.
* ChangeLog, NEWS: New files.
build: Adjust tests to Automake 1.12.
* Makefile.am (TESTS_ENVIRONMENT): Remove `guile' invocation. Add
semicolons, and export the variables as shown in the Automake 1.12
manual.
(LOG_COMPILER): New variable, with `guile' invocation.
build: Tell xgettext that the source is UTF-8.
* po/Makevars (XGETTEXT_OPTIONS): Add `--from-code=UTF-8'.
distro: Add Guile-Reader.
* distro/base.scm (guile-reader): New procedure.
(guile-reader/guile-1.8, guile-reader/guile-2.0): New variables.
Unset `LD_LIBRARY_PATH' in `build-expression->derivation'.
* guix/derivations.scm (build-expression->derivation)[prolog]: Unset
`LD_LIBRARY_PATH'.
build-system/gnu: Add dependency on GNU Findutils.
* guix/build-system/gnu.scm (%standard-inputs): Add "findutils".
distro: guile-2.0: Propagate libunistring and Libtool.
* distro/base.scm (guile-2.0): Propagate libunistring and Libtool.
distro: guile-1.8: Propagate GMP and Libtool.
* distro/base.scm (guile-1.8): Propagate GMP and Libtool.
Add `package-transitive-inputs'; use it to honor propagated inputs.
* guix/packages.scm (package-transitive-inputs): New procedure.
(package-derivation): Use it to compute INPUTS.
* tests/packages.scm (dummy-package): New macro.
("package-transitive-inputs"): New test.
distro: Add GNU Guile 2.0, released today!
* distro/base.scm (guile-2.0): New variable.
build-system/gnu: Set $PKG_CONFIG_PATH.
* guix/build/gnu-build-system.scm (set-paths): Add `PKG_CONFIG_PATH'.
distro: Add Lout.
* distro/base.scm (lout): New variable.
build-system/gnu: Add `tests?' parameter.
* guix/build-system/gnu.scm (gnu-build): Add `tests?' parameter.
[builder]: Inherit it.