Add support to enable tk via PACKAGECONFIG.
before this patch:
# python3
Python 3.5.6 (default, Nov 8 2018, 04:53:45)
[GCC 8.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import tkinter
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib64/python3.5/tkinter/__init__.py", line 35, in <module>
import _tkinter # If this fails your Python may not be configured for Tk
ImportError: No module named '_tkinter'
>>>
After this patch, if enable tk in PACKAGECONFIG, then
# python3
Python 3.5.6 (default, Nov 8 2018, 03:15:52)
[GCC 8.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import tkinter
>>>
Signed-off-by: Mingli Yu <Mingli.Yu@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
