Bug#897168: proftp: FTBFS on kfreebsd

[James Clarke]

On 30 Apr 2018, at 19:22, Hilmar Preuße <hille42 at web.de> wrote:
> On 30.04.2018 13:17, James Clarke wrote:
>> On 29 Apr 2018, at 22:06, Hilmar Preuße <hille42 at web.de> wrote:
>>> On 29.04.2018 14:01, Hilmar Preuße wrote:
> 
> Hi James,
> 
>>> I just noticed that our package fails to build on kfreebsd:
>>> 
>>> https://buildd.debian.org/status/fetch.php?pkg=proftpd-dfsg&arch=kfreebsd-amd64&ver=1.3.6-2&stamp=1524996945&raw=0
>>> 
>>> Could you help us here? proftp seems to build on FreeBSD in general so
>>> there seems to be something specific to this port.
>>> 
>>> Thanks!
>>> 
>>>>  * What led up to the situation?
>>>> 
>>>> Since we uploaded proftp 1.3.6 to unstable the package fails to build on
>>>> kfreebsd, on i386 and kfreebsd-amd64. The last lines of the log are:
>>>> 
>>>> src/fsio.o: In function `sys_fsetxattr':
>>>> ./fsio.c:1018: undefined reference to `extattr_set_fd'
>>>> src/fsio.o: In function `unix_flistxattr':
>>>> ./fsio.c:640: undefined reference to `extattr_list_fd'
>>>> ./fsio.c:640: undefined reference to `extattr_list_fd'
>>>> src/fsio.o: In function `unix_llistxattr':
>>>> ./fsio.c:621: undefined reference to `extattr_list_file'
>>>> ./fsio.c:621: undefined reference to `extattr_list_file'
>>>> src/fsio.o: In function `unix_listxattr':
>>>> ./fsio.c:602: undefined reference to `extattr_list_file'
>>>> ./fsio.c:602: undefined reference to `extattr_list_file'
>>>> src/fsio.o: In function `sys_fremovexattr':
>>>> ./fsio.c:885: undefined reference to `extattr_delete_fd'
>>>> src/fsio.o: In function `sys_fgetxattr':
>>>> ./fsio.c:529: undefined reference to `extattr_get_fd'
>>>> collect2: error: ld returned 1 exit status
>>>> libtool: link: rm -f ".libs/proftpdS.o"
>>>> 
>>>> I guess some libs, needed for linking are not specified. I file that bug as
>>>> important as FreeBSD is not a release arch.
>>>> 
>> 
>> The problem here is that kfreebsd-kernel-headers provides sys/extattr.h with
>> these prototypes and so proftpd's configure defines HAVE_SYS_EXTATTR_H, but
>> glibc doesn't implement them, and the Linux equivalents are currently just
>> stubs that return -1 with errno=ENOSYS. Thus for now I suggest you build
>> proftpd with --disable-xattr.
>> 
> Huhh. My impression was, that these are rather old system calls, which
> do exist for long time now [1] and there is just another -l$lib
> statement missing. If the kfreebsd port exposes some functions in the
> header files, but finally does not implement it in any library I'd call
> that a bug. Would it make sense to file a bug against the kfreebsd port?

Yeah, please file it against kfreebsd-10 and glibc; either the prototype
should disappear from the headers or it should be implemented.

Thanks,
James