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, 3 insertions, 2 deletions

diff --git a/meta/recipes-devtools/python/python3_3.5.6.bb b/meta/recipes-devtools/python/python3_3.5.6.bb
index 5408e3f9fc..25c47b6192 100644
--- a/meta/recipes-devtools/python/python3_3.5.6.bb
+++ b/meta/recipes-devtools/python/python3_3.5.6.bb
@@ -21,7 +21,7 @@ ${DISTRO_SRC_URI} \
 
 SRC_URI += "\
             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://cgi_py.patch \
             file://host_include_contamination.patch \
             file://python-3.3-multilib.patch \
@@ -82,6 +82,7 @@ PACKAGECONFIG ??= "readline ${@bb.utils.contains('MACHINE_FEATURES', 'qemu-userm
 PACKAGECONFIG[readline] = ",,readline"
 # Use profile guided optimisation by running PyBench inside qemu-user
 PACKAGECONFIG[pgo] = "--enable-optimizations"
+PACKAGECONFIG[tk] = ",,tk"
 
 do_configure_append() {
         rm -f ${S}/Makefile.orig
@@ -246,7 +247,7 @@ PACKAGES += "${PN}-man"
 FILES_${PN}-man = "${datadir}/man"
 
 RDEPENDS_${PN}-ptest = "${PN}-modules ${PN}-tests unzip bzip2"
-
+RDEPENDS_${PN}-tkinter += "${@bb.utils.contains('PACKAGECONFIG', 'tk', 'tk', '', d)}"
 RDEPENDS_${PN}-dev = ""
 
 BBCLASSEXTEND = "nativesdk"