[Pkg-uml-pkgs] Bug#438568: Bug#438568: FTBFS: fail to build when linux-libc-dev on buildings system is 2.6.22

[Mattia Dongili]

On Fri, Aug 17, 2007 at 10:43:02PM +0200, Peder Chr. Nørgaard wrote:
> Package: user-mode-linux
> Version: 2.6.21-1um-1
> Severity: important
> Justification: fails to build from source
> 
> This is a slightly tricky FTBFS report.  The fundamental bug is probably of upstream origin
> - I have had similar problems building recent user-mode-linux'es under other distros.
> 
> The actual problem is, that if I try to do a dpkg-buildpackage on a recent
> "sid" debian, it fails (I cannot do a "pbuilder build" because of #436388 and
> the fact that linux-source-2.6.21 is no longer found on the debian servers).
> 
> The failure is a simple compilation failure:  
> 
>   gcc -Wp,-MD,arch/um/os-Linux/.aio.o.d  -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Os -D__arch_um__ -DSUBARCH=\"i386\" -Dvmap=kernel_vmap -Din6addr_loopback=kernel_in6addr_loopback -march=i486 -mtune=generic -mpreferred-stack-boundary=2 -ffreestanding -D_LARGEFILE64_SOURCE  -fno-unit-at-a-time -fno-omit-frame-pointer -fno-optimize-sibling-calls -g -fno-stack-protector -Wdeclaration-after-statement -Wno-pointer-sign -Iarch/um/include  -I/home/pcn/debian_src/user-mode-linux-2.6.21-1um/linux-source-2.6.21/arch/um/include/skas -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -DHAVE_AIO_ABI -c -o arch/um/os-Linux/aio.o arch/um/os-Linux/aio.c
> arch/um/os-Linux/aio.c: In function 'do_aio':
> arch/um/os-Linux/aio.c:80: error: unknown field 'aio_reserved3' specified in initializer
>   
> Now, why is this struct member 'aio_reserved3' missing?  If you check the file aio_abi.h in the

it was simply removed :)
this is needed
http://marc.info/?l=user-mode-linux-devel&m=118521982227031&q=raw

...
> So the fundamental problem is not that a struct member has been removed from a struct between 
> 2.6.21 and 2.6.22 - it is that the compilation command is missing the "-Iinclude" option.  It is 
> quite obvious that the building of user-mode-linux - or any kernel building, actually - may not 
> depend on whatever is currently installed in /usr/include - it must take all include files from 
> the kernel build directory itself.

not the user-mode kernel, it needs some userspace libraries.

going to upload a 2.6.22 fixed version
-- 
mattia
:wq!