recipes-devtools: python: add support for Kivy

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>

meta-python/recipes-devtools/python/python3-kivy/0001-add-support-for-glesv2.patch

@@ -0,0 +1,24 @@
+diff --git a/setup.py b/setup.py
+index 9a507c6c4..3f5b70866 100644
+--- a/setup.py
++++ b/setup.py
+@@ -680,7 +680,18 @@ def determine_gl_flags():
+         c_options['use_x11'] = True
+         c_options['use_egl'] = True
+     else:
+-        flags['libraries'] = ['GL']
++        if cross_sysroot:
++            flags['include_dirs'] = [cross_sysroot + '/usr/include']
++            flags['library_dirs'] = [cross_sysroot + '/usr/lib']
++
++        if c_options['use_opengl_es2']:
++            print("using GLESv2 libraries")
++            flags['libraries'] = ['GLESv2']
++        else:
++            flags['libraries'] = ['GL']
++
++
++    print("cross_sysroot: " + str(cross_sysroot))
+     return flags, base_flags
+ 
+ 

meta-python/recipes-devtools/python/python3-kivy_2.0.0.bb

@@ -0,0 +1,71 @@
+SUMMARY = "Open source Python library for rapid development of applications \
+    that make use of innovative user interfaces, such as multi-touch apps."
+HOMEPAGE = "https://kivy.org/"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=f0c851d60495c7e27225a819e179208a"
+
+inherit setuptools3
+
+SRC_URI = "\
+    git://github.com/kivy/kivy.git;protocol=git;\
+"
+
+# Kivy's setup files only look for GLES libraries for Android, iOS, RPi,
+# and mali-based OS's. We need to patch the setup file to tell Kivy setup
+# that our machine has GLES libaries installed as well
+# Also, if using SDL2 as backend, SDL2 needs to be configured wth gles
+SRC_URI += " \
+    file://0001-add-support-for-glesv2.patch \
+"
+SRCREV = "dedcb6bcabe3d8d6758dcee607e8c33b174d782b"
+
+S = "${WORKDIR}/git"
+
+PACKAGES += "${PN}-examples"
+FILES:${PN}-examples = "/usr/share/kivy-examples"
+
+USE_WAYLAND = "${@bb.utils.contains('DISTRO_FEATURES', 'wayland', '1', '0', d)}"
+export USE_WAYLAND
+
+# if using Wayland, let's use pure Wayland (and not XWayland)
+# so do not build using X11 flag when we detect Wayland
+USE_X11 = " \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'wayland',  '0', \
+       bb.utils.contains('DISTRO_FEATURES', 'x11',      '1', \
+                                                        '0', d), d)}"
+export USE_X11
+
+# Use OpenGL ES 2.0 library
+KIVY_GRAPHICS = "gles"
+export KIVY_GRAPHICS
+
+KIVY_CROSS_SYSROOT="${WORKDIR}/recipe-sysroot"
+export KIVY_CROSS_SYSROOT
+
+DEPENDS += " \
+    gstreamer1.0 \
+    gstreamer1.0-python \
+    libsdl2 \
+    libsdl2-ttf \
+    libsdl2-image \
+    libsdl2-mixer \
+    pango \
+    python3 \
+    python3-cython-native \
+"
+
+RDEPENDS_${PN} = " \
+    gstreamer1.0 \
+    gstreamer1.0-python \
+    libsdl2 \
+    libsdl2-ttf \
+    libsdl2-image \
+    libsdl2-mixer \
+    pango \
+    python3 \
+    python3-docutils \
+    python3-fcntl \
+    python3-image \
+    python3-pillow \
+    python3-pygments \
+"