Index: textproc/libxml2/Makefile
===================================================================
RCS file: /home/pcvs/ports/textproc/libxml2/Makefile,v
retrieving revision 1.165
diff -a -u -r1.165 Makefile
--- textproc/libxml2/Makefile	24 Jun 2010 17:20:01 -0000	1.165
+++ textproc/libxml2/Makefile	4 Oct 2010 10:21:44 -0000
@@ -25,6 +25,7 @@
 
 .if !defined(REFERENCE_PORT)
 
+USE_CSTD=	gnu89
 USE_GMAKE=	yes
 MAKE_JOBS_SAFE=	yes
 USE_ICONV=	yes
Index: textproc/libxml2/files/patch-python_libxml.c
===================================================================
RCS file: textproc/libxml2/files/patch-python_libxml.c
diff -N textproc/libxml2/files/patch-python_libxml.c
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ textproc/libxml2/files/patch-python_libxml.c	4 Oct 2010 10:21:44 -0000
@@ -0,0 +1,11 @@
+--- python/libxml.c.orig	2009-09-24 17:31:59.000000000 +0200
++++ python/libxml.c	2010-10-03 09:34:16.000000000 +0200
+@@ -30,7 +30,7 @@
+ 
+ #if (defined(_MSC_VER) || defined(__MINGW32__)) && !defined(vsnprintf)
+ #define vsnprintf(b,c,f,a) _vsnprintf(b,c,f,a)
+-#elif defined(WITH_TRIO)
++#elif defined(WITH_TRIO) && !defined(vsnprintf)
+ #include "trio.h"
+ #define vsnprintf trio_vsnprintf
+ #endif