gnu: python-django-localflavor: Use GUIX_PYTHONPATH.

* gnu/packages/django.scm (python-django-localflavor)[arguments]: Use
GUIX_PYTHONPATH.

gnu: python-invoke: Update to 1.6.0.

* gnu/packages/python-xyz.scm (python-invoke): Update to 1.6.0.

gnu: python-invoke: Delete incompatible and unused code.

* gnu/packages/python-xyz.scm (python-invoke)[arguments]: Add build phase
'delete-python2-code.
(python2-invoke)[arguments]: Remove that phase and add 'delete-python3-code.

gnu: network-manager: Build with Meson 0.60.

This is another way to address
<https://github.com/mesonbuild/meson/issues/9492> as suggested by
Nirbheek Chauhan and Paolo Bonzini.

* gnu/packages/patches/network-manager-meson.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/gnome.scm (network-manager)[source]: Use it.
[arguments]: Remove #:meson.

gnu: trytond: Avoid top-level references to other modules.

This delays references to variables defined in other modules.

* gnu/packages/tryton.scm (%standard-trytond-native-inputs): Turn into a
thunk.  Adjust users.

gnu: trytond: Build against python-werkzeug 1.0.

* gnu/packages/tryton.scm (trytond)[propagated-inputs]: Replace
PYTHON-WERKZEUG by PYTHON-WERKZEUG-1.0.
* gnu/packages/tryton.scm (%standard-trytond-native-inputs): Likewise.

gnu: python-werkzeug: Reintroduce 1.0.1.

* gnu/packages/python-web.scm (python-werkzeug-1.0): New variable.
* gnu/packages/patches/python-werkzeug-tests.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: gdb: Build fix for the Hurd.

This allows (cross-)building gdb-minimal for the Hurd.

* gnu/packages/patches/gdb-fix-gnu-nat-build.patch: New file, taken from
upstream.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/web.scm (gdb)[inputs]: When building for the Hurd, add it.
[arguments]: When building for the Hurd, apply it.

gnu: nghttp2: Resurrect cross-building.

* gnu/packages/web.scm (nghttp2)[arguments]: Add "--disable-python-bindings"
when cross-building.

gnu: help2man: Resurrect cross-building.

This is a follow-up to commit
    378df42fc5ed85260cd9d4c666b67f29baf11f48
    gnu: help2man: Add optional dependencies.

It resurrects the cross-building of all build dependencies for guix, e.g., for
creating a childhurd with a Guix development environment.

* gnu/packages/man.scm (help2man)[inputs]: Do not use perl-gettext when
cross-building; perl-gettext cannot be cross-built.

gnu: ghc: Depend on 'git-minimal/fixed'.

* gnu/packages/haskell.scm (ghc-8.8): Replace GIT/FIXED by
GIT-MINIMAL/FIXED.
* gnu/packages/version-control.scm (git/fixed): Remove.

gnu: blender: Update to 2.93.6.

* gnu/packages/graphics.scm (blender): Update to 2.93.6.

gnu: lyx: Remove reference to '%outputs'.

* gnu/packages/tex.scm (lyx)[arguments]: Rewrite as gexps.  Refer
to #$output instead of '%outputs', which 'qt-build-system' no longer
defines.

gnu: emacs-xwidgets{,-next-pgtk}: Use webkitgtk-with-libsoup2.

* gnu/packages/emacs.scm (emacs-xwidgets, emacs-next-pgtk)[inputs]:
Replace webkitgtk with webkitgtk-with-libsoup2.
* gnu/packages/webkit.scm (webkitgtk-with-libsoup2): Add further
information about where this package is used and upstream tracker for
libsoup3.

gnu: linux-libre: Make build reproducible.

Fixes <https://issues.guix.gnu.org/24028>.

* gnu/packages/linux.scm (make-linux-libre*): Remove trailing #t.
[phases]{configure}: Set KBUILD_BUILD_USER and KBUILD_BUILD_HOST environment
variables.

gnu: nautilus: Update to 41.0.

* gnu/packages/gnome.scm (nautilus): Upgrade to 41.0.
* gnu/packages/gnome.scm (nautilus) [arguments]: Use meson 0.59.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu: gnome-autoar: Update to 0.4.1.

* gnu/packages/gnome.scm (gnome-autoar): Update to 0.4.1.
* gnu/packages/gnome.scm (gnome-autoar) [build-system]: Switch to meson.
* gnu/packages/gnome.scm (gnome-autoar) [native-inputs]: Add glib:bin for
glib-mkenums.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu: gnome-session: Restore elogind support.

* gnu/packages/patches/gnome-session-support-elogind.patch: New file.
* gnu/local.mk: Add it.
* gnu/packages/gnome.scm (gnome-session)[source]: Use it.
[arguments]: Add "-Delogind=true" to #:configure-flags; remove
phases that patch in old-style elogind support.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu: genimage: Update to 14-1.11bb044.

Update to commit 11bb04455 to integrate fixes related to new genext2fs and
e2fsprogs versions.

* gnu/packages/genimage.scm (genimage): Update to 14-1.11bb044.
[arguments]{fix-failing-tests}: Update it.
* gnu/packages/patches/genimage-mke2fs-test.patch: Update it.

gnu: python-scanpy: Set PYTHONPATH variable.

This is a follow-up to commit 664721422cd17c151df00b9ecab268d1aa18e3b3.

* gnu/packages/bioinformatics.scm (python-scanpy)[arguments]: Set PYTHONPATH
variable during the build as GUIX_PYTHONPATH does not have the intended
effect.