PRECPPFLAGS="$CPPFLAGS"
if test "x$itcl_link_works" = "xyes" ; then
LIBS="$LIBS $LIBITCL $LIBTCL"
CPPFLAGS="$CPPFLAGS -Iinclude"
CPPFLAGS="$CPPFLAGS"
fi
AC_TRY_RUN([
#include <itcl.h>