diff -up EMBOSS-6.4.0/configure.in.system-expat EMBOSS-6.4.0/configure.in

--- EMBOSS-6.4.0/configure.in.system-expat	2011-11-23 17:06:08.000000000 +0100

+++ EMBOSS-6.4.0/configure.in	2011-11-23 17:07:00.615161077 +0100

@@ -643,6 +643,7 @@ AC_ARG_ENABLE([systemlibs],

 if test "${enable_systemlibs}" = "yes" ; then

   have_systemlibs=yes

   AC_CHECK_LIB(pcre, pcre_compile)

+  AC_CHECK_LIB(expat, XML_ParserCreate)

 fi

 AM_CONDITIONAL([ESYSTEMLIBS], [test "$have_systemlibs" = "yes"])

 AC_SUBST([ESYSTEMLIBS])

@@ -806,7 +807,6 @@ AC_CONFIG_FILES([Makefile

                  ajax/ajaxdb/Makefile

                  ajax/core/Makefile

                  ajax/ensembl/Makefile

-                 ajax/expat/Makefile

                  ajax/graphics/Makefile

                  ajax/zlib/Makefile

                  doc/Makefile

diff -up EMBOSS-6.4.0/configure.system-expat EMBOSS-6.4.0/configure