Fix compilation of wddx extension.

PR:		ports/69464
Submitted by:	Vadim Mikhailov <freebsd-bugs@mikhailov.org>

lang/php4/Makefile.ext

@@ -329,7 +329,10 @@ CONFIGURE_ARGS+=--enable-tokenizer
 .endif
 
 .if ${PHP_MODNAME} == "wddx"
-CONFIGURE_ARGS+=--enable-wddx
+LIB_DEPENDS+=	expat.5:${PORTSDIR}/textproc/expat2
+
+CONFIGURE_ARGS+=--enable-wddx \
+		--with-expat-dir=${LOCALBASE}
 
 USE_PHP=	xml session
 USE_PHP_BUILD=	yes

textproc/php4-wddx/files/patch-config.m4

@@ -0,0 +1,31 @@
+--- config.m4.orig	Mon Jul 26 09:05:10 2004
++++ config.m4	Mon Jul 26 09:07:46 2004
+@@ -5,6 +5,9 @@
+ PHP_ARG_ENABLE(wddx,whether to enable WDDX support,
+ [  --enable-wddx           Enable WDDX support.])
+ 
++PHP_ARG_WITH(expat-dir, external libexpat install dir,
++[  --with-expat-dir=<DIR>    WDDX: external libexpat install dir], no, no)
++
+ if test "$PHP_WDDX" != "no"; then
+   if test "$ext_shared" != "yes" && test "$enable_xml" = "no"; then
+     AC_MSG_WARN(Activating XML)
+@@ -12,4 +15,18 @@
+   fi
+   AC_DEFINE(HAVE_WDDX, 1, [ ])
+   PHP_NEW_EXTENSION(wddx, wddx.c, $ext_shared)
++
++  for i in $PHP_EXPAT_DIR; do
++    if test -f $i/lib/libexpat.a -o -f $i/lib/libexpat.$SHLIB_SUFFIX_NAME ; then
++      EXPAT_DIR=$i
++    fi
++  done
++
++  if test -z "$EXPAT_DIR"; then
++    AC_MSG_ERROR(not found. Please reinstall the expat distribution.)
++  fi
++
++  PHP_ADD_INCLUDE($EXPAT_DIR/include)
++  PHP_ADD_LIBRARY_WITH_PATH(expat, $EXPAT_DIR/lib, XML_SHARED_LIBADD)
++  PHP_SUBST(XML_SHARED_LIBADD)
+ fi

textproc/php4-wddx/files/patch-wddx.c

@@ -0,0 +1,13 @@
+--- wddx.c.orig	Mon Jul 26 08:56:21 2004
++++ wddx.c	Mon Jul 26 08:56:40 2004
+@@ -18,6 +18,10 @@
+ 
+ /* $Id: wddx.c,v 1.96.2.5.2.1 2004/07/13 13:15:30 iliaa Exp $ */
+ 
++#ifdef HAVE_CONFIG_H
++# include "config.h"
++#endif
++
+ #include "php.h"
+ #include "php_wddx.h"
+