* guix/scripts/build.scm (derivations-from-package-expressions): Add
  `package-derivation' parameter.
  (show-help, %options): Add `--target'.
  (guix-build): Use `package-cross-derivation' when `--target' is
  passed.
* tests/guix-build.sh: Add dry-run test with `--target'.
* doc/guix.texi (Invoking guix build): Document `--target'.

* guix/build-system/gnu.scm (inputs-search-paths): New procedure.
  (standard-search-paths): Use it.
  (expand-inputs): New procedure.
  (standard-inputs): Use it.
  (standard-cross-packages, standard-cross-inputs,
  standard-cross-search-paths, gnu-cross-build): New procedures.
  (gnu-build-system): Set `cross-build' field to `gnu-cross-build'.
* gnu/packages/cross-base.scm: Export `cross-gcc', `cross-binutils', and
  `cross-libc'.
* guix/build/gnu-cross-build.scm: New file.
* Makefile.am (MODULES): Add it.

* guix/packages.scm (package-transitive-target-inputs,
  package-transitive-native-inputs): New procedures.
  (package-derivation): Parametrize `%current-target-system'.
  (package-cross-derivation): Implement.
* guix/utils.scm (%current-target-system): New variable.
* tests/packages.scm ("package-cross-derivation"): New test.
* doc/guix.texi (Defining Packages): Document
  `package-cross-derivation'.

* gnu/packages/cross-base.scm (cross-gcc): Override `search-paths' and
  `native-search-paths'.

* gnu/packages/patches/gcc-cross-environment-variables.patch: Add two
  hunks, most notably one that changes GCC to honor LIBRARY_PATH_ENV
  when cross-compiling.

* guix/packages.scm (expand-input): New procedure, moved out of...
  (package-derivation): ... here.  Adjust accordingly.
  (package-cross-derivation): Add `cross-system' and `system'
  parameters.

* po/eo.po, po/LINGUAS: New files.

* gnu/packages/unrtf.scm: New file.
* Makefile.am (MODULES): Add it.

* gnu/packages/bdw-gc.scm (libgc-7.2): New variable.

* gnu/packages/plotutils.scm: New file.
* Makefile.am (MODULES): Add it.

* gnu/packages/version-control.scm (cvs): New variable.

* guix/scripts/build.scm (%default-options): Add default
  `max-silent-time' value.
  (show-help, %options):  Add `--max-silent-time'.
  (guix-build): Pass `max-silent-time' to `set-build-options'.
* guix/scripts/package.scm (%default-options): Add default
  `max-silent-time' value.
  (show-help, %options):  Add `--max-silent-time'.
  (guix-package): Pass `max-silent-time' to `set-build-options'.
* guix/ui.scm (string->number*): New procedure.
* tests/derivations.scm ("build-expression->derivation and
  max-silent-time"): New test.
* doc/guix.texi (Invoking guix package, Invoking guix build): Document
  `--max-silent-time'.

* gnu/packages/linux.scm (strace): New variable.

* gnu/packages/linux.scm (util-linux, procps, e2fsprogs): Clarify and
  shrink synopses.

* configure.ac: Bump to 0.3.  Use the full URL.

* gnu/packages/autotools.scm (autoconf-wrapper): Wrap `configure' files
  regardless of the exit code of `autoconf'.  Triggered by Automake's
  `t/am-prog-cc-stdc.sh'.
  (automake): Update to 1.13.2.

* guix/scripts/package.scm (guix-package)[ensure-default-profile]: Check
  the owner of %PROFILE-DIRECTORY.  Report an error when the owner is
  not the current user.  Add `rtfm' procedure.
* doc/guix.texi (Invoking guix package): Mention the ownership test.

This fixes a bug whereby `read-response' would read more than just the
response, with the extra data going into the port's buffer; the
"bzip2 -dc" process spawned by `filtered-port' would not see the those
buffered data, which are definitely lost, and would bail out with
"bzip2: (stdin) is not a bzip2 file."

* guix/utils.scm (filtered-port): Document that INPUT must be
  unbuffered.
* guix/web.scm (http-fetch): Add `buffered?' parameter.  Call
  `open-socket-for-uri' explicitly, and call `setvbuf' when BUFFERED? is
  false.  Pass the port to `http-get'.  Close it upon 301/302.
* guix/scripts/substitute-binary.scm (fetch): Add `buffered?'
  parameter.  Pass it to `http-fetch'; honor it for `file' URIs.
  (guix-substitute-binary): Call `fetch' with #:buffered? #f for port RAW.
* tests/utils.scm ("filtered-port, file"): Open FILE as unbuffered.

* gnu/packages/texinfo.scm (texinfo): Don't propagate Perl.

* guix/scripts/substitute-binary.scm (%regexp-exec-mutex): New variable.
  (string->uri): New procedure.
  (fields->alist): Wrap `regexp-exec' call in `with-mutex'.

* guix/scripts/package.scm (call-with-sigint-handler): Wrap THUNK in
  `dynamic-wind' so that the SIGINT handler is always cleared.

* guix/ftp-client.scm (ftp-open): Let exceptions through.
* guix/scripts/package.scm (waiting): Wrap EXP in a `dynamic-wind', so
  the line is always cleared.

* guix/ui.scm (show-guix-help): Sort commands.

Reported at <http://linuxfr.org/news/sortie-de-gnu-guix-0-2>.

* guix/ui.scm (command-files): Filter the result of `scandir' to make
  sure only `.scm' files are present.

* configure.ac: Use separate AC_CONFIG_FILES invocations for files that
  need to be made executable.
* config-daemon.ac: Likewise.

* build-aux/gitlog-to-changelog: New file, from Gnulib.

* Makefile.am (assert-no-store-file-names): New target.
  (dist-hook): Depend on it.

* Makefile.am (sync-synopses): New rule, formerly `dist-hook.
  (gen-ChangeLog): New rule.
  (dist-hook): Depend on these two targets.

* guix/utils.scm (define-record-type*): Move to...
* guix/records.scm: ... here.  New file.
* guix/build-system.scm, guix/packages.scm: Use it.
* guix/gnu-maintenance.scm: Likewise.
  (official-gnu-packages)[alist->record]: Remove.
* guix/scripts/substitute-binary.scm: Likewise.
  (alist->record, object->fields): Remove.
* tests/utils.scm ("define-record-type*", "define-record-type* with
  letrec* behavior", "define-record-type* & inherit",
  "define-record-type* & inherit & letrec* behavior",
  "define-record-type* & thunked", "define-record-type* & thunked &
  default", "define-record-type* & thunked & inherited"): Move to...
* tests/records.scm: ... here.  New file.

* release.nix: Revert to commit 4050e5d6.

* gnu/packages/guile.scm (guile-reader): Add `arguments' field.

* gnu/packages/bazaar.scm: Rename to...
* gnu/packages/version-control.scm: ... this.
  (rcs): New variable.
* Makefile.am (MODULES): Adjust accordingly.

* Makefile.am (CLEANFILES): Really catch .log files from SRFI-64.

* Makefile.am (tests/guix-gc.log): New target.  This should fix failures
  that occurred with "make check -j" the first time.

* gnu/packages/scheme.scm (scheme48): New variable.
* gnu/packages/patches/scheme48-tests.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.

* gnu/packages/gnupg.scm (gnupg): Update to 2.0.20.