AC_MSG_WARN([Expat XML Parser support requested but headers or library not found. Specify valid prefix of Expat using --with-expat=@<:@DIR@:>@ or provide include directory and linker flags using --with-expat-inc and --with-expat-lib])
fi
fi
+ if test "$HAVE_EXPAT" = "yes"; then
+ CPPFLAGS="$CPPFLAGS -DHAVE_EXPAT=1"
+ fi
])