gnu: boost: Fix target-system check.

* gnu/packages/boost.scm (boost): Fix target-system check.

gnu: texlive: Fix target-system check.

* gnu/packages/texlive.scm (texlive)[arguments]: Fix target-system
  check.

gnu: gtk+: Include xorg-server in native-inputs on MIPS; enable tests.

* gnu/packages/gtk.scm (gtk+)[native-inputs]: Unconditionally include
  xorg-server and enable tests.

gnu: mit-krb5: Build with default gcc.

* gnu/packages/mit-krb5.scm (mit-krb5)[native-inputs]: Remove gcc-4.7.

Merge branch 'master' into core-updates

gnu: automake: Update to 1.15.

* gnu/packages/autotools.scm (automake): Update to 1.15.

gnu: git-manpages: Install under $out/share/man, not $out/share.

* gnu/packages/version-control.scm (git-manpages)[argument]: Install
  under $out/share/man, not $out/share.

gnu: Add git-manpages.

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

gnu: git: Update to 2.2.1.

* gnu/packages/version-control.scm (git): Update to 2.2.1.

gnu: libtool-2.4.4: Disable tests on MIPS.

* gnu/packages/autotools.scm (libtool-2.4.4)[arguments]: New field.

linux-boot: Make /etc/mtab a symlink to /proc/self/mounts.

Fixes <http://bugs.gnu.org/19491>.

* gnu/build/linux-boot.scm (mount-root-file-system): Make /root/etc/mtab
  a symlink to /proc/self/mounts.
* gnu/build/file-systems.scm (mount-file-system): Don't update /etc/mtab.
* guix/build/syscalls.scm (mount, umount): Have #:update-mtab? default to
  #f.

doc: guix-daemon now automatically creates '…/profiles/per-user'.

Fixes <http://bugs.gnu.org/19315>.
Reported by rekado <rekado@elephly.net>.

* doc/guix.texi (Invoking guix package): Adjust text to new guix-daemon
  behavior introduced in commit 15ddeff.

build: Check for <tr1/unordered_set>, now used by the daemon.

* config-daemon.ac: Check for <tr1/unordered_set>.

Merge commit a1dd396cc02922372314c35c8035a38bfeea08df of branch 'nix'.

pk-crypto: Improve docstring of signature-related procedures.

* guix/pk-crypto.scm (bytevector->hash-data, sign): Augment docstring.

gnu: Remove a bunch of now unneeded '--mandir' configure flags.

This has become redundant with the 'validate-documentation-location'
phase introduced in commit d68fe74.

* gnu/packages/compression.scm (bzip2): Remove 'fix-man-dir' phase.
* gnu/packages/ncurses.scm (ncurses)[arguments]: Remove --mandir.
* gnu/packages/pth.scm (pth)[arguments]: Remove #:configure-flags.
* gnu/packages/tcl.scm (tcl)[arguments]: Likewise.
* gnu/packages/xiph.scm (flac)[arguments]: Likewise.

ld-wrapper: Add '-rpath' flag for libraries passed by file name.

Discussed at
<http://lists.gnu.org/archive/html/guix-devel/2015-01/msg00028.html>.

* gnu/packages/ld-wrapper.scm (switch-arguments, library-path): Remove.
  (library-files-linked): Rewrite to include the name of libraries
  passed by file names, and to honor the current -L search path instead
  of the final one.
  (rpath-arguments): Remove 'lib-path' parameter.  Expect LIBRARY-FILES
  to be a list of absolute file names.
  (ld-wrapper): Adjust accordingly.

build-system/gnu: Use executables from the target inputs in 'patch-shebangs'.

Fixes <http://bugs.gnu.org/18895>.

* guix/build/gnu-build-system.scm (patch-shebangs): Add #:inputs
  parameter.  Remove 'bindirs'.  Add 'bin-directories',
  'output-bindirs', and 'input-bindirs'.  Use them instead of (getenv
  "PATH") to as the argument to 'patch-shebang'.

gnu: gcc-4.9: Fix build on MIPS.

* gnu/packages/gcc.scm (gcc-4.9): Add 'join-two-line-dynamic-linker-defns
  phase.

gnu: Search for patches under $GUIX_PACKAGE_PATH.

Fixes <http://bugs.gnu.org/19364>.
Reported by Tomáš Čech <sleep_walker@suse.cz>
and Mark H Weaver <mhw@netris.org>.

* gnu/packages.scm (%patch-path): Move after definition of
  %package-module-path'.  Append "/gnu/packages/patches" only to
  %DISTRO-ROOT-DIRECTORY.
* tests/guix-package.sh: Add 'emacs-foo-bar-patched' test.