Debian renamed cython to cython3, support both
@@ -190,7 +190,7 @@ defaults['cuda'] = ['nvcc']
defaults['rust'] = ['rustc']
defaults['swift'] = ['swiftc']
defaults['vala'] = ['valac']
-defaults['cython'] = ['cython']
+defaults['cython'] = ['cython', 'cython3'] # Official name is cython, but Debian renamed it to cython3.
defaults['static_linker'] = ['ar', 'gar']
defaults['strip'] = ['strip']
defaults['vs_static_linker'] = ['lib']
