../gupnp-tools-0.12.0/src/common/pretty-print.c:37:15: error: 'xmlRecoverMemory' is deprecated [-Werror,-Wdeprecated-declarations]
        doc = xmlRecoverMemory (xml, strlen (xml));
              ^
/usr/local/include/libxml2/libxml/parser.h:870:1: note: 'xmlRecoverMemory' has been explicitly marked deprecated here
XML_DEPRECATED
^
/usr/local/include/libxml2/libxml/xmlversion.h:447:43: note: expanded from macro 'XML_DEPRECATED'
#    define XML_DEPRECATED __attribute__((deprecated))
                                          ^
1 error generated.

Index: meson.build
--- meson.build.orig
+++ meson.build
@@ -44,7 +44,6 @@ conf.set('HAVE_GTK_SOURCEVIEW', gtksourceview.found())
 conf.set('GETTEXT_PACKAGE', '"@0@"'.format(meson.project_name()))
 conf.set('LOCALEDIR', '"@0@"'.format(localedir))
 cc = meson.get_compiler('c')
-add_project_arguments(cc.get_supported_arguments('-Werror=deprecated-declarations'), language: 'c')
 conf.set('GLIB_VERSION_MIN_REQUIRED', 'GLIB_VERSION_@0@'.format(glib_version.underscorify()))
 conf.set('GLIB_VERSION_MAX_ALLOWED', 'GLIB_VERSION_@0@'.format(glib_version.underscorify()))