The version of Pango that the script downloads is using G_CONST_RETURN
in the public headers. This won't build if G_DISABLE_DEPRECATED is
enabled so instead the build script now just recommends to pass
--enable-deprecated to cogl's configure script.
Reviewed-by: Robert Bragg <robert@linux.intel.com>
(cherry picked from commit 4715f0f01d4de55a9cf690f52d4da211c243565b)
1871045b45