libqmi: update to 1.20.0, build with py3

libqmi/PKGBUILD

@@ -1,15 +1,15 @@
 # Contributor: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
 
 pkgname=libqmi
-pkgver=1.16.2
+pkgver=1.20.0
 pkgrel=1
 pkgdesc="QMI modem protocol helper library"
 arch=(i686 x86_64)
 url="http://www.freedesktop.org/wiki/Software/libqmi/"
 license=(GPL2)
 depends=(libmbim)
-makedepends=(gtk-doc python git)
-_commit=f114f4ebe66c538cbb28b05eb0b065fe08c6f9fa  # tags/1.16.2
+makedepends=(python3-six git)
+_commit=a7fd5363cff7af6137065065ce405adf7bcbfc35  # tags/1.20.0
 source=("git://anongit.freedesktop.org/libqmi#commit=$_commit")
 sha256sums=('SKIP')
 
@@ -21,12 +21,14 @@ pkgver() {
 prepare() {
   cd $pkgname
   NOCONFIGURE=1 ./autogen.sh
+  cd $srcdir/$pkgname/build-aux/qmi-codegen
+  sed 's/env python/env python3/g' -i *.py
 }
 
 build() {
   cd $pkgname
   ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var \
-    --libexecdir=/usr/lib/$pkgname --disable-static --enable-gtk-doc
+    --libexecdir=/usr/lib/$pkgname --disable-static --disable-gtk-doc
   make
 }