Fixes <https://bugs.gnu.org/37468>.
* gnu/packages/patches/python-libxml2-utf8.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xml.scm (python-libxml2/fixed): New variable.
* gnu/packages/glib.scm (itstool/fixed): New variable.
* gnu/packages/gnome.scm (gnumeric)[native-inputs]: Use ITSTOOL/FIXED
instead of ITSTOOL.
* gnu/packages/patches/dbus-c++-gcc-compat.patch,
gnu/packages/patches/dbus-c++-threading-mutex.patch: New files.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/glib.scm (dbus-c++)[source](patches): New field.
[arguments]: End phases on #t.
* gnu/packages/glib.scm (itstool): Update to 2.0.6.
[inputs]: Change PYTHON2-LIBXML and PYTHON-2 to PYTHON-LIBXML and PYTHON.
* gnu/packages/gnome.scm (totem)[inputs]: Change PYTHON-2 to PYTHON.
The 1.60.x releases are the last ones to support Autotools.
* gnu/packages/glib.scm (gobject-introspection)[build-system]: Change to
MESON-BUILD-SYSTEM.
[arguments]: Remove <#:parallel-build?> and <#:tests?>.
[native-inputs]: Remove AUTOCONF and AUTOMAKE.
* gnu/packages/glib.scm (glib): Update to 2.60.4.
[source](snippet): New field.
[arguments]: Remove obsolete DETERMINISTIC_BUILD variable. Disable two tests,
and override the 'check' phase. Remove <#:parallel-build?>.
* gnu/packages/glib.scm (gobject-introspection): Update to 1.58.1.
[source]: Remove snippet.
[arguments]: Add phase "do-not-use-/usr/bin/env".
[inputs]: Replace python-2 with python-wrapper; add zlib.
[native-inputs]: Add autoconf and automake to be able to keep using the
gnu-build-system.
* gnu/packages/patches/gobject-introspection-cc.patch: Update patch to apply
to latest version.
* gnu/packages/glib.scm (glib): Update to 2.58.1.
[build-system]: Use meson-build-system.
[outputs]: Remove "doc" as the documentation files are no longer included.
[inputs]: Move libffi, util-linux, and zlib from here...
[propagated-inputs]: ...to here; add libselinux.
[arguments]: Remove key "disallowed-references" as it is not supported by the
meson-build-system; delete "bootstrap" phase to prevent use of autotools;
adjust "pre-build" phase; move "disable-failing-tests" phase after "unpack";
disable two more tests in "disable-failing-tests" phase; add phase
"move-executables"; remove configure flags.
* gnu/packages/glib.scm (dbus)[native-inputs]: Add docbook-xml-4.4,
docbook-xsl, doxygen, xmlto, libxml2, libxslt and yelp-tools.
[outputs]: Add a "doc" output to hold the large HTML documentation.
These were fixed with <https://bugs.gnu.org/31708>.
* gnu/packages/glib.scm (python-pygobject, python2-pygobject)[native-inputs]:
Remove GCC-7.
* gnu/packages/gnome.scm (gjs)[native-inputs]: Likewise.
[arguments]: Remove related phase.
