On Mon, Feb 27, 2012 at 02:49:27PM -0800, H. Peter Anvin wrote: > Kbuild people - for the lack of a way to doing toolchain dependencies in > Kconfig I'm doing this right now for x32 support. I am a little unclear > if this is the right thing to do, especially if I should be using := or Looks good at first look. ":=" is almost always the right choice if this is not part of a rule somewhere. With ":=" the rhs is only evaluated once and the result stored in the variable on the lhs. In this particular case you only use the lhs once - so there is no real difference. Another important difference is that with ":=" the rhs is evaluated when make see it first time. With "=" make defer it until the lhs is used. again in you case there is no difference as you use the lhs just after you have the assignment. [But I guess you already knew all this...] Sam -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
