python3-twisted: Fix build with clang

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python3-twisted/0001-initsendmsg-Return-NULL-on-error.patch

@@ -0,0 +1,76 @@
+From 890d039f067d52a0ab77b561d40da13f0c135634 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 3 Aug 2017 11:24:43 -0700
+Subject: [PATCH] initsendmsg: Return NULL on error
+
+Fixes a clang error
+
+sendmsg.c:129:9: error: non-void function 'initsendmsg' should return a value [-Wreturn-type]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ twisted/python/sendmsg.c | 14 +++++++-------
+ 1 file changed, 7 insertions(+), 7 deletions(-)
+
+diff --git a/twisted/python/sendmsg.c b/twisted/python/sendmsg.c
+index 9f2fd8c..9c080e1 100644
+--- a/twisted/python/sendmsg.c
++++ b/twisted/python/sendmsg.c
+@@ -126,7 +126,7 @@ PyMODINIT_FUNC initsendmsg(void) {
+     module = Py_InitModule3("sendmsg", sendmsg_methods, sendmsg_doc);
+ 
+     if (!module) {
+-        return;
++        return NULL;
+     }
+ 
+     /*
+@@ -135,39 +135,39 @@ PyMODINIT_FUNC initsendmsg(void) {
+     */
+ 
+     if (-1 == PyModule_AddIntConstant(module, "SCM_RIGHTS", SCM_RIGHTS)) {
+-        return;
++        return NULL;
+     }
+ 
+ 
+     /* BSD, Darwin, Hurd */
+ #if defined(SCM_CREDS)
+     if (-1 == PyModule_AddIntConstant(module, "SCM_CREDS", SCM_CREDS)) {
+-        return;
++        return NULL;
+     }
+ #endif
+ 
+     /* Linux */
+ #if defined(SCM_CREDENTIALS)
+     if (-1 == PyModule_AddIntConstant(module, "SCM_CREDENTIALS", SCM_CREDENTIALS)) {
+-        return;
++        return NULL;
+     }
+ #endif
+ 
+     /* Apparently everywhere, but not standardized. */
+ #if defined(SCM_TIMESTAMP)
+     if (-1 == PyModule_AddIntConstant(module, "SCM_TIMESTAMP", SCM_TIMESTAMP)) {
+-        return;
++        return NULL;
+     }
+ #endif
+ 
+     module = PyImport_ImportModule("socket");
+     if (!module) {
+-        return;
++        return NULL;
+     }
+ 
+     sendmsg_socket_error = PyObject_GetAttrString(module, "error");
+     if (!sendmsg_socket_error) {
+-        return;
++        return NULL;
+     }
+ }
+ 
+-- 
+2.13.4
+

meta-python/recipes-devtools/python/python3-twisted_13.2.0.bb

@@ -1,6 +1,9 @@
 inherit pypi setuptools3
 require python-twisted.inc
 
+SRC_URI += "file://0001-initsendmsg-Return-NULL-on-error.patch \
+           "
+
 RDEPENDS_${PN}-core = "python3-core python3-zopeinterface python3-lang"
 
 FILES_${PN}-core_append += " \