Add 'python-packaging' build dependency

Seems this Python module is needed, otherwise the build fails.

[58/1023] Generating gdbus header gtk/gtkdbusgenerated.h
[153/1023] Generating gdbus source gtk/gtkdbusgenerated.c

It is an optional dependency for glib2 (for gdbus-codegen)

2 files changed, 2 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 9c735a9ead95..38f532282f62 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -31,6 +31,7 @@ pkgbase = gtk3-classic
 	makedepends = libxrandr
 	makedepends = meson
 	makedepends = pango
+	makedepends = python-packaging
 	makedepends = quilt
 	makedepends = sassc
 	makedepends = shared-mime-info
diff --git a/PKGBUILD b/PKGBUILD
index d297b30c2594..8df4fbde51a7 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -76,6 +76,7 @@ makedepends=(
 	libxrandr
 	meson
 	pango
+	python-packaging
 	quilt
 	sassc
 	shared-mime-info