* guix/build/syscalls.scm (<file-system>): New record type.
(fsword): New macro.
(%statfs): New C struct.
(statfs): New procedure.

* guix/build/syscalls.scm (struct-alignment, struct-size): New macros.
(define-c-struct): Add 'size' parameter and honor it.
(sockaddr-in, sockaddr-in6, ifaddrs, winsize): Adjust accordingly.
(%struct-ifaddrs-type, %sizeof-ifaddrs, winsize-struct): Remove.
(terminal-window-size): Use 'make-bytevector' instead of 'make-c-struct'.

* guix/build/syscalls.scm (define-c-struct)[read]: OFFSET defaults to 0.
(unfold-interface-list): Remove second argument to 'read-ifaddrs'.
(terminal-window-size): Remove second argument to 'read-winsize'.

* guix/build/syscalls.scm: Move packed structure handling to the top.

Suggested by Joram Schrijver <i+guix-devel@joram.io>.

* etc/guix-daemon.service.in (TasksMax): New value.

* gnu/packages/python.scm (python2-pysnptools): Update to 0.3.9.
[propagated-inputs]: Add python2-pytz. Move python2-pandas ...
[inputs]: ... to here. Add python2-dateutil-2, python2-six.

* gnu/packages/python.scm (python-terminado): Update to 0.6.
[inputs]: Remove python-setuptools. Move python-nose ...
[native-inputs]: ... to here.
[properties]: Define python2-variant.
(python2-terminado): Build with 'strip-python2-variant'.
[native-inputs]: Add python2-setuptools.

* gnu/packages/python.scm (python-singledispatch)[propagated-inputs]:
Move python-six ...
[inputs]: ... to here.

* gnu/packages/python.scm (python-tornado)[properties]: Define
python2-variant.
[inputs]: Remove python-certifi, move python-backports-abc here from
native-inputs.
[native-inputs]: Remove python-setuptools.
(python2-tornado): Build with 'strip-python2-variant'.
[native-inputs]: Add python2-setuptools.

* gnu/packages/python.scm (python-seaborn): Update to 0.7.0.
[native-inputs]: Remove python-setuptools.
(python2-seaborn): Build with 'strip-python2-variant'.
[propagated-inputs]: Add python2-pytz.
[native-inputs]: Add python2-setuptools.

* gnu/packages/python.scm (python-pandas)[propagated-inputs]: Move
python-pytz, python-dateutil-2 ...
[inputs]: ... to here.

* gnu/packages/xfce.scm (xfce)[propagated-inputs]: Add ristretto.

* gnu/packages/xfce.scm (ristretto): Add variable.

* gnu/packages/mpd.scm (ncmpcpp): Update to 0.7.4.

* gnu/packages/backup.scm (borg): Update to 1.0.2.

* gnu/packages/guile.scm (haunt): Update to 0.2.
[native-inputs]: Add pkg-config and texinfo.
[propagated-inputs]: Add guile-reader.

* gnu/packages/guile.scm (guile-minikanren): Remove extra .scm appended
to files.

* gnu/packages/package-management.scm (guix-devel): Update to 80627f51.

* gnu/packages/openldap.scm (openldap)[replacement]: New field.
(openldap-2.4.44): New variable.

* gnu/packages/python.scm (python-feedgenerator): Update to 1.8.
[arguments]: Remove configure flags.
[inputs]: Move python-setuptools, python-pytz, python-six ...
[native-inputs]: ... to here.
[home-page]: Update project's home-page.

* gnu/packages/python.scm (pelican)[native-inputs]: Remove
python-setuptools.
[propagated-inputs]: Move python-feedgenerator, python-jinja2,
python-pygments, python-docutils, python-pytz, python-blinker,
python-unidecode, python-six, python-dateutil-2 ...
[inputs]: ... to here.

* gnu/packages/python.scm (python2-itsdangerous): Use
'strip-python2-variant'.
[native-inputs]: Add python2-setuptools.
(python-itsdangerous)[inputs]: Remove python-setuptools.
[properties]: Define python2-variant.

* gnu/packages/python.scm (python2-oauthlib): Use 'strip-python2-variant'.
[native-inputs]: Add python2-setuptools.
(python-oauthlib)[inputs]: Remove python-setuptools.
[properties]: Define python2-variant for python2-oauthlib.

* gnu/packages/bioinformatics.scm (samtools): Update to 1.3.1.

This reverts commit 63655d45, reversing
changes made to 80627f51.

This reverts commit 0118c6ab.

This reverts commit 71a8d3b6.

This reverts commit 63e7796f.

* gnu/packages/gnome.scm (gjs)[arguments]: Skip test_utf8_inout test.

* gnu/packages/gnome.scm (geoclue): Update to 2.4.3.

* gnu/packages/patches/inkscape-drop-wait-for-targets.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/inkscape.scm (inkscape)[source]: Add patch.

* gnu/packages/patches/imlib2-CVE-2016-4024.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/image.scm (imlib2): Use it.

gnu/packages/image.scm (imlib2): Update to 1.4.8.

* gnu/packages/webkit.scm (webkitgtk-2.4): Update to 2.4.11.

* gnu/packages/webkit.scm (webkitgtk): Update to 2.12.1.

* gnu/packages/linux.scm (linux-libre-4.1): Update to 4.1.22.

* gnu/packages/linux.scm (linux-libre-4.4): Update to 4.4.8.

* gnu/packages/linux.scm (linux-libre): Update to 4.5.2.

This follows a convention used by some other GNU packages like Autoconf,
Bison, Coreutils, and Gnulib.

* doc.am: Rename to ...
* doc/local.mk: ... this.
* emacs.am: Rename to ...
* emacs/local.mk: ... this.
* gnu-system.am: Rename to ...
* gnu/local.mk: ... this.
* daemon.am: Rename to ...
* nix/local.mk: ... this.
* Makefile.am: Adapt to them.
* doc/guix.texi (Porting to a New Platform): Adapt documentation.
* guix/config.scm.in (%state-directory, %config-directory): Adapt comments.
* emacs/guix-config.el.in (guix-config-state-directory): Likewise.