Bug#644764: FTBFS: asm/errno.h: No such file or directory (due to multiarch)

[Matthias Klose <doko@debian.org>]

tag 644764 moreinfo
thanks

On 10/08/2011 10:31 PM, Kyle Moffett wrote:
> Source: gcc-4.6
> Version: 4.6.1-13
> Severity: serious
> Justification: fails to build from source (but built successfully in the past)
> 
> When trying to rebuild gcc-4.6 natively from source, I get build
> failures of the following variety:
>   asm/errno.h: No such file or directory
> 
> In particular, it seems that recent linux-libc-dev packages have moved
> the architecture-specific header files from the path "/usr/include/asm"
> to "/usr/include/x86_64-linux-gnu/asm".
> 
> In particular, I have linux-libc-dev 3.0.0-3 installed locally.
> 
> The existing "gcc" on the system finds files in that search path, but
> when building libgcc it seems that the temporary built "xgcc" does not.
> You can some one example failed command below.

> Error output:
>   In file included from /usr/include/bits/errno.h:25:0,
>                    from /usr/include/errno.h:36,
>                    from ../../../../src/libgcc/../gcc/tsystem.h:93,
>                    from ../../../../src/libgcc/../gcc/libgcc2.c:29:
>   /usr/include/linux/errno.h:4:23: fatal error: asm/errno.h: No such file or directory

I don't see this. is /usr/include/asm a symlink? is gcc-multilib the recent
version in unstable? If this is a local build, make sure that the
gcc-multiarch.diff is applied during the build.