Accepting request 927304 from home:mcepl:branches:devel:libraries:c_c++

- Rewrite package to the single-spec %python_subpackage_only style and
  eliminate unnecessary multibuild.

OBS-URL: https://build.opensuse.org/request/show/927304
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libxml2?expand=0&rev=167

libxml2-python3-unicode-errors.patch

@@ -1,8 +1,10 @@
-Index: libxml2-2.9.5/python/libxml.c
-===================================================================
---- libxml2-2.9.5.orig/python/libxml.c
-+++ libxml2-2.9.5/python/libxml.c
-@@ -1620,6 +1620,7 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU
+---
+ python/libxml.c |   11 ++++++++++-
+ 1 file changed, 10 insertions(+), 1 deletion(-)
+
+--- a/python/libxml.c
++++ b/python/libxml.c
+@@ -1621,6 +1621,7 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU
      PyObject *message;
      PyObject *result;
      char str[1000];
@@ -10,7 +12,7 @@ Index: libxml2-2.9.5/python/libxml.c
  
  #ifdef DEBUG_ERROR
      printf("libxml_xmlErrorFuncHandler(%p, %s, ...) called\n", ctx, msg);
-@@ -1636,12 +1637,20 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU
+@@ -1637,12 +1638,20 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU
  	    str[999] = 0;
          va_end(ap);