AC_ARG_WITH(includedir, [ --with-includedir=add colon seperated list of directories to include search path],
CPPFLAGS=$CPPFLAGS" -I"`echo $withval|sed 's;\:; -I;g'`, T_FLAG="")
AC_ARG_WITH(includedir, [ --with-includedir=add colon seperated list of directories to include search path],
CPPFLAGS=$CPPFLAGS" -I"`echo $withval|sed 's;\:; -I;g'`, T_FLAG="")