python3: add tk support

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
 >>>

(From OE-Core rev: 4b781d545e7e0b084201cd6a8fad953b0f231513)

Signed-off-by: Mingli Yu <Mingli.Yu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/meta/recipes-devtools/python/python3-native_3.5.6.bb b/meta/recipes-devtools/python/python3-native_3.5.6.bb
index d5953cf4bb..1e98c036c3 100644
--- a/meta/recipes-devtools/python/python3-native_3.5.6.bb
+++ b/meta/recipes-devtools/python/python3-native_3.5.6.bb
@@ -12,7 +12,7 @@ file://130-readline-setup.patch \
 file://150-fix-setupterm.patch \
 file://python-3.3-multilib.patch \
 file://03-fix-tkinter-detection.patch \
-file://avoid_warning_about_tkinter.patch \
+${@bb.utils.contains('PACKAGECONFIG', 'tk', '', 'file://avoid_warning_about_tkinter.patch', d)} \
 file://0001-h2py-Fix-issue-13032-where-it-fails-with-UnicodeDeco.patch \
 file://sysroot-include-headers.patch \
 file://unixccompiler.patch \
@@ -28,6 +28,7 @@ file://0003-bpo-32947-Fixes-for-TLS-1.3-and-OpenSSL-1.1.1-GH-876.patch \
 file://0004-bpo-33570-TLS-1.3-ciphers-for-OpenSSL-1.1.1-GH-6976.patch \
 file://0005-bpo-30714-ALPN-changes-for-OpenSSL-1.1.0f-2305.patch \
 "
+PACKAGECONFIG[tk] = ",,tk-native"
 
 EXTRANATIVEPATH += "bzip2-native"
 DEPENDS = "openssl-native bzip2-replacement-native zlib-native readline-native sqlite3-native gdbm-native"