Python: add patch to abort if module fails to build

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/lang/Python/package.mk

@@ -135,13 +135,6 @@ post_makeinstall_target() {
   python -Wi -t -B ../Lib/compileall.py $INSTALL/usr/lib/python*/ -f
   rm -rf `find $INSTALL/usr/lib/python*/ -name "*.py"`
 
-  if [ ! -f $INSTALL/usr/lib/python*/lib-dynload/_socket.so ]; then
-    echo "sometimes Python dont build '_socket.so' for some reasons and continues without failing,"
-    echo "let it fail here, to be sure '_socket.so' will be installed. A rebuild of Python fixes"
-    echo "the issue in most cases"
-    exit 1
-  fi
-
   rm -rf $INSTALL/usr/lib/python*/config
   rm -rf $INSTALL/usr/bin/2to3
   rm -rf $INSTALL/usr/bin/idle

packages/lang/Python/patches/Python-2.7.11-014-abort-on-failed-modules.patch

@@ -0,0 +1,21 @@
+Abort on failed module build
+
+When building a Python module fails, the setup.py script currently
+doesn't exit with an error, and simply continues. This is not a really
+nice behavior, so this patch changes setup.py to abort with an error,
+so that the build issue is clearly noticeable.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+Index: b/setup.py
+===================================================================
+--- a/setup.py
++++ b/setup.py
+@@ -283,6 +283,7 @@
+             print "Failed to build these modules:"
+             print_three_column(failed)
+             print
++            sys.exit(1)
+ 
+     def build_extension(self, ext):
+