services: network-manager: Specify a default value.

* gnu/services/networking.scm (network-manager-service-type)[default-value]:
New field.

profiles: Move 'manifest-entry-dependencies' user after definition.

Reported by Efraim Flashner.

* guix/profiles.scm (manifest-transitive-entries): Move after
<manifest-entry> definition.

gnu: efl: Add missing inputs.

* gnu/packages/enlightenment.scm (efl)[inputs]: Add libxau, libxdamage,
libxfixes, libxrender. Remove libxkbfile.

guix package: '--search-paths' shows search paths from propagated inputs.

* guix/scripts/package.scm (process-query) <'search-paths>: Use
'manifest-transitive-entries' instead of 'manifest-entries'.

profiles: Catch and report collisions in the profile.

* guix/profiles.scm (&profile-collision-error): New error condition.
(manifest-transitive-entries, manifest-entry-lookup, lower-manifest-entry)
(check-for-collisions): New procedures.
(profile-derivation): Add call to 'check-for-collisions'.
* guix/ui.scm (call-with-error-handling): Handle '&profile-collision-error'.
* tests/profiles.scm ("collision", "collision of propagated inputs")
("no collision"): New tests.

guix package: Always upgrade packages that have propagated inputs.

* guix/scripts/package.scm (transaction-upgrade-entry): Always upgrade
packages that have propagated inputs.

profiles: Manifest entries keep a reference to their parent entry.

* guix/profiles.scm (<manifest-entry>)[parent]: New field.
(package->manifest-entry): Add #:parent parameter.  Fill out the
'parent' field of <manifest-entry>; pass #:parent in recursive calls.
* guix/profiles.scm (sexp->manifest)[sexp->manifest-entry]: New
procedure.  Use it for version 3.
* tests/profiles.scm ("manifest-entry-parent"): New procedure.
("read-manifest")[entry->sexp]: Add 'manifest-entry-parent' to the
result.

profiles: Represent propagated inputs as manifest entries.

* guix/profiles.scm (package->manifest-entry): Turn DEPS into a list of
manifest entries.
(manifest->gexp)[entry->gexp]: Call 'entry->gexp' on DEPS.
Bump version to 3.
(sexp->manifest)[infer-dependency]: New procedure.
Use it for versions 1 and 2.  Parse version 3.
(manifest-inputs)[entry->gexp]: New procedure.
Adjust to 'dependencies' being a list of <manifest-entry>.
* tests/profiles.scm ("packages->manifest, propagated inputs")
("read-manifest"): New fields.

gnu: unbound: Do not build static libraries.

* gnu/packages/dns.scm (unbound)[arguments]: Add "--disable-static" to
  #:configure-flags.  Suggested by Gregor Giesen <giesen@zaehlwerk.net>.

gnu: Add python-regex.

* gnu/packages/python.scm (python-regex, python2-regex): New variables.

tests: Add extlinux gpt test.

* gnu/tests/install.scm (%test-installed-extlinux-os): New exported
  variable.
(%minimal-extlinux-os, %minimal-extlinux-os-source): New variables.
(%extlinux-gpt-installation-script): New variable.
(run-install)[packages]: New argument. The packages specified are
appended to the installation image.

bootloader: extlinux: Add extlinux-bootloader-gpt.

* gnu/bootloader/extlinux.scm (extlinux-bootloader-gpt): New exported
  variable.
 (install-extlinux)[mbr]: New argument.
 (install-extlinux-mbr, install-extlinux-gpt): New variables.
 (extlinux-bootloader)[installer]: Use install-extlinux-mbr.

gnu: xmonad: Update to 0.13.

* gnu/packages/wm.scm (xmonad): Update to 0.13.
[inputs]: Add ghc-directory.
(ghc-xmonad-contrib): Update to 0.13.

gnu: ghc-x11: Update to 1.8.

* gnu/packages/haskell.scm (ghc-x11): Update to 1.8.

gnu: busybox: Fix indentation.

* gnu/packages/busybox.scm (busybox)[arguments]: Whitespace changes.

gnu: busybox: Update to 1.26.2.

* gnu/packages/busybox.scm (busybox): Update to 1.26.2.

gnu: cvs-fast-export: Update to 1.43.

* gnu/packages/version-control.scm (cvs-fast-export): Update to 1.43.
[arguments]: Add phases to not build architecture-specific optimized
code and to force python-2. Disable parallel building.

gnu: openttd: Add 'install-data' phase.

* gnu/packages/games.scm (openttd)[arguments]: Add it.
[native-inputs]: Add openttd-opengfx.

gnu: Add openttd-opengfx.

* gnu/packages/games.scm (openttd-opengfx): New variable.

gnu: Add grfcodec.

* gnu/packages/game-development.scm (grfcodec): New variable.