sumo HEAD homebrew patch

sumo-HEAD.diff

diff --git a/configure.ac b/configure.ac
index beb9f1a..a27b9ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,9 +85,7 @@ AC_DEFINE([OUTPUT_ACCURACY], [2], [defines the number of digits after the comma
 AC_DEFINE([GEO_OUTPUT_ACCURACY], [6], [defines the number of digits after the comma in geo-coordinates output])
 
 dnl   ... for xerces 3.0
-PKG_CHECK_MODULES([XERCES], [xerces-c >= 3.0],
-                  [AC_DEFINE([XERCES3_SIZE_t],[XMLSize_t],[Define length for Xerces 3.])],
-                  [AC_DEFINE([XERCES3_SIZE_t],[unsigned int],[Define length for Xerces 2.])])
+AC_DEFINE([XERCES3_SIZE_t],[XMLSize_t],[Define length for Xerces 3.])
 
 
 AM_CONDITIONAL(MESOSIM, test -d $srcdir/src/mesosim)