Re: [BUG] dvd+rw-tools compile failure with linux-headers-2.6.23
Ian Abbott <abbotti@mev.co.uk> wrote:
> When building dvd+rw-tools on an "unstable" Gentoo GNU/Linux system with
> Linux headers derived from a 2.6.23 kernel, there are compilation errors
> due to INT_MAX being undefined. This can be fixed by adding '#include
> <limits.h>' to growisofs.c and transport.hxx, at least in the
> GNU/Linux-specific parts of those files.
>
> The definitions of the CDSL_CURRENT and CDSL_NONE macros changed in the
> 2.6.23 kernel sources <linux/cdrom.h>. They are now defined in terms of
> INT_MAX, whereas previously they were based on casting an unsigned
> integer constant numerically equal to INT_MAX.
>
> <linux/cdrom.h> 2.6.22:
>
> /* Special codes used when specifying changer slots. */
> #define CDSL_NONE ((int) (~0U>>1)-1)
> #define CDSL_CURRENT ((int) (~0U>>1))
>
> <linux/cdrom.h> 2.6.23:
>
> /* Special codes used when specifying changer slots. */
> #define CDSL_NONE (INT_MAX-1)
> #define CDSL_CURRENT INT_MAX
File a bug against <linux/cdrom.h>. In this case, it needs to include <limits.h>
to be self contained.
Jörg
--
EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
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