gnu: Add ocaml-piqi.
* gnu/packages/ocaml.scm (ocaml-piqi): New variable.
gnu: Add ocaml-graph.
* gnu/packages/ocaml.scm (ocaml-graph): New variable.
* gnu/packages/patches/ocaml-graph-honor-source-date-epoch.patch: New
file.
* gnu/local.mk (dist_patch_DATA): Add it.
gnu: Add ocaml-uuidm.
* gnu/packages/ocaml.scm (ocaml-uuidm): New variable.
gnu: Add ocaml-piqilib.
* gnu/packages/ocaml.scm (ocaml-piqilib): New variable.
gnu: Add ocaml-optcomp.
* gnu/packages/ocaml.scm (ocaml-optcomp): New variable.
gnu: Add ocaml-easy-format.
* gnu/packages/ocaml.scm (ocaml-easy-format): New variable.
gnu: Add ocaml-uri.
* gnu/packages/ocaml.scm (ocaml-uri): New variable.
gnu: Add ocaml-ezjsonm.
* gnu/packages/ocaml.scm (ocaml-ezjsonm): New variable.
gnu: samba: Install manual pages.
* gnu/packages/samba.scm (samba)[arguments]<#:phases>: Add
'locate-docbook-stylesheets' phase.
[native-inputs]: Add DOCBOOK-XSL and LIBXSLT.
gnu: potrace: Update to 1.15 [fixes CVE-2017-12067].
* gnu/packages/fontutils.scm (potrace): Update to 1.15.
gnu: e2fsprogs: Update to 1.43.6.
* gnu/packages/linux.scm (e2fsprogs): Update to 1.43.6.
gnu: powertop: Update to 2.9.
* gnu/packages/linux.scm (powertop): Update to 2.9.
[source]: Adjust URI.
gnu: lftp: Update to 4.8.2.
* gnu/packages/ftp.scm (lftp): Update to 4.8.2.
gnu: pulseview: Build with modular Qt.
* gnu/packages/electronics.scm (pulseview)[inputs]: Remove QT. Add QTBASE and QTSVG.
gnu: lilypond: Fix fontforge detection.
* gnu/packages/music.scm (lilypond)[arguments]: Adjust fontforge
detection algorithm to allow for SOURCE_DATE_EPOCH in fontforge's build.
gnu: git: Update to 2.14.2.
* gnu/packages/version-control.scm (git): Update to 2.14.2.
gnu: btrfs-progs: Update to 4.13.1.
* gnu/packages/linux.scm (btrfs-progs): Update to 4.13.1.
[inputs]: Add zstd.
gnu: Add tklib.
* gnu/packages/tcl.scm (tklib): New variable.