[U-Boot-Users] [PATCH] fix compilation problem for mpc8349itx CFG_RAMBOOT
Nikita V. Youshchenko
yoush at debian.org
Wed May 23 22:01:41 CEST 2007
>
> > Should they be renamed to CFG_COMMANDS_xxx?
>
> No, as CFG also has a specific meaning. Here, you just need
> temporary, local variables. Please avoid name space pollution. You
> can and should even #undef those after use.
Hmm...
nikita at blacky:~> cpp
#define A aaa
#define B A
#undef A
B
<Ctrl-D>
# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "<stdin>"
A
This example clearly shows that macros used to define other macros can't be
undefined.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.denx.de/pipermail/u-boot/attachments/20070524/8a8153f6/attachment.pgp
More information about the U-Boot
mailing list