AC_DEFUN([AC_MEM_OPT], [ AC_ARG_ENABLE(mem_opt, AC_HELP_STRING([--disable-mem-opt], [disable best bit tree based memory optimizations])) AS_IF([test "x$enable_mem_opt" != "xno"], [ AC_MSG_NOTICE("Using best fit tree based memory optimizations") MEM_OPT_FLAGS="-DMEM_OPT" AC_SUBST(MEM_OPT_FLAGS) ]) ]) # vim: set ft=m4 ts=2 sw=2: