[Buildroot] [git commit branch/2021.02.x] package/python-pillow: add xcb support

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=70f869e49fd753fb5af0c79cb06c4d1da7df04a5
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2021.02.x

libxcb is an optional dependency since version 7.1.0 and
https://github.com/python-pillow/Pillow/commit/3c39e6fcf6a11b18eec0d1c66710bcd35033d069

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
(cherry picked from commit e1e0e275c6715bf2963bdcf32d7008321e525d1b)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/python-pillow/python-pillow.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/package/python-pillow/python-pillow.mk b/package/python-pillow/python-pillow.mk
index 3018758b48..ab52f38df1 100644
--- a/package/python-pillow/python-pillow.mk
+++ b/package/python-pillow/python-pillow.mk
@@ -35,6 +35,13 @@ else
 PYTHON_PILLOW_BUILD_OPTS += --disable-lcms
 endif
 
+ifeq ($(BR2_PACKAGE_LIBXCB),y)
+PYTHON_PILLOW_DEPENDENCIES += libxcb
+PYTHON_PILLOW_BUILD_OPTS += --enable-xcb
+else
+PYTHON_PILLOW_BUILD_OPTS += --disable-xcb
+endif
+
 ifeq ($(BR2_PACKAGE_OPENJPEG),y)
 PYTHON_PILLOW_DEPENDENCIES += openjpeg
 PYTHON_PILLOW_BUILD_OPTS += --enable-jpeg2000