msxml3: Fix compiles for systems with libxml2 version 2.6.14 and below.

configure

@@ -10387,6 +10387,91 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_XMLREADMEMORY 1
 _ACEOF
 
+fi
+
+         { echo "$as_me:$LINENO: checking for xmlNewDocPI in -lxml2" >&5
+echo $ECHO_N "checking for xmlNewDocPI in -lxml2... $ECHO_C" >&6; }
+if test "${ac_cv_lib_xml2_xmlNewDocPI+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lxml2 $ac_xml_libs $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char xmlNewDocPI ();
+int
+main ()
+{
+return xmlNewDocPI ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_xml2_xmlNewDocPI=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_xml2_xmlNewDocPI=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_xml2_xmlNewDocPI" >&5
+echo "${ECHO_T}$ac_cv_lib_xml2_xmlNewDocPI" >&6; }
+if test $ac_cv_lib_xml2_xmlNewDocPI = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_XMLNEWDOCPI 1
+_ACEOF
+
 fi
 
 

configure.ac

@@ -486,6 +486,8 @@ then
              XML2INCL="$ac_xml_cflags"],,$ac_xml_libs)
          AC_CHECK_LIB(xml2, xmlReadMemory,
             [AC_DEFINE(HAVE_XMLREADMEMORY,1,[Define if libxml2 has the xmlReadMemory function])],,$ac_xml_libs)
+         AC_CHECK_LIB(xml2, xmlNewDocPI,
+            [AC_DEFINE(HAVE_XMLNEWDOCPI,1,[Define if libxml2 has the xmlNewDocPI function])],,$ac_xml_libs)
         ])
     CPPFLAGS="$ac_save_CPPFLAGS"
     ac_xslt_libs="`$PKG_CONFIG --libs libxslt 2>/dev/null`"

dlls/msxml3/domdoc.c

@@ -761,6 +761,7 @@ static HRESULT WINAPI domdoc_createProcessingInstruction(
     BSTR data,
     IXMLDOMProcessingInstruction** pi )
 {
+#ifdef HAVE_XMLNEWDOCPI
     xmlNodePtr xmlnode;
     domdoc *This = impl_from_IXMLDOMDocument( iface );
     xmlChar *xml_target, *xml_content;
@@ -778,6 +779,10 @@ static HRESULT WINAPI domdoc_createProcessingInstruction(
     HeapFree(GetProcessHeap(), 0, xml_target);
 
     return S_OK;
+#else
+    FIXME("Libxml 2.6.15 or greater required.");
+    return E_NOTIMPL;
+#endif
 }
 
 

include/config.h.in

@@ -936,6 +936,9 @@
 /* Define if you have the XKB extension */
 #undef HAVE_XKB
 
+/* Define if libxml2 has the xmlNewDocPI function */
+#undef HAVE_XMLNEWDOCPI
+
 /* Define if libxml2 has the xmlReadMemory function */
 #undef HAVE_XMLREADMEMORY