--- libxml2-2.7.8.orig/configure.in
+++ libxml2-2.7.8/configure.in
@@ -63,8 +63,6 @@ AC_PATH_PROG(WGET, wget, /usr/bin/wget)
 AC_PATH_PROG(XMLLINT, xmllint, /usr/bin/xmllint)
 AC_PATH_PROG(XSLTPROC, xsltproc, /usr/bin/xsltproc)
 
-dnl Make sure we have an ANSI compiler
-AM_C_PROTOTYPES
 test "x$U" != "x" && AC_MSG_ERROR(Compiler not ANSI compliant)
 
 AC_LIBTOOL_WIN32_DLL