Hi,
With an older version of gcc that does not understand the error
attribute, gcc generates warnings when compiling files that include
include/grub/list.h. Since TARGET_CFLAGS contains -Werror by default,
the build of modules fails.
The following patch checks whether the C compiler supports the error
attribute without warning, and disables -Werror if that is not the case
(as otherwise the build will fail).
http://pkgsrc-wip.cvs.sourceforge.net/viewvc/*checkout*/pkgsrc-wip/wip/grub2-current/patches/patch-gcc-warning-on-error-attribute
This is merely a suggestion. I'm no autoconf expert, and I'm not even
sure that this kind of check is a good idea, as configure has the option
--disable-werror that can be used anyway.
Grégoire
p.s. I did not see this problem when I tested the patch discussed in the
thread [1] as I focused on building utilities at that time, sorry.
[1] http://lists.gnu.org/archive/html/grub-devel/2009-12/msg00324.html
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