python3-cython: Add new recipe

Use a common .inc file for the python-cython and python3-cython recipes.
Add suffix '3' to scripts in ${bindir} to avoid conflict between the two
packages.

Signed-off-by: Dominic Sacré <dominic.sacre@gmx.de>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python3-cython_0.23.1.bb

@@ -0,0 +1,18 @@
+inherit setuptools3
+require python-cython.inc
+
+RDEPENDS_${PN} += "\
+    python3-setuptools \
+"
+
+# running build_ext a second time during install fails, because Python
+# would then attempt to import cythonized modules built for the target
+# architecture.
+DISTUTILS_INSTALL_ARGS += "--skip-build"
+
+do_install_append() {
+    # rename scripts that would conflict with the Python 2 build of Cython
+    mv ${D}${bindir}/cython ${D}${bindir}/cython3
+    mv ${D}${bindir}/cythonize ${D}${bindir}/cythonize3
+    mv ${D}${bindir}/cygdb ${D}${bindir}/cygdb3
+}