samba - Jun 2026 - cross compile heimdal linking libbsd issue

On 14.06.2026 16:54, Martin Kj?r J?rgensen via samba
wrote:
> Hey list,
> 
> I am trying to cross compile samba on x86_64 to aarch64 on a
Debian'ized
> system using ptxdist rules. ./configure runs okay but it seems linking
compile_et
Not an answer to your question directly but do you know that samba
package for debian can be easily cross-compiled using multiarch and
qemu-user?  In particular, I provide builds of debian samba packages
for x86_64 *and* for arm64 architectures on my site this way
(http://www.corpit.ru/mjt/packages/samba/).
> fails:
> 
> /build-target/samba-4.23.6/bin/compile_et: error while loading shared
libraries: libbsd.so.0:
> cannot open shared object file: No such file or directory
> 
> If I install libbsd0:arm64 on the host, the entire samba build finishes
> correctly.
The Build-Depends filed of the debian samba package includes libbsd-dev,
which, in turn, depends on libbsd0.  This is the host architecture, i.e.
the architecture you're building for.  So your build system should have
libbsd0:arm64 installed.

Thanks,

/mjt

On 06/15/26 12:37 PM, Michael Tokarev wrote:
>
> Not an answer to your question directly but do you know that samba
> package for debian can be easily cross-compiled using multiarch and
> qemu-user?  In particular, I provide builds of debian samba packages
> for x86_64 *and* for arm64 architectures on my site this way
> (http://www.corpit.ru/mjt/packages/samba/).
>
>
> The Build-Depends filed of the debian samba package includes libbsd-dev,
> which, in turn, depends on libbsd0.  This is the host architecture, i.e.
> the architecture you're building for.  So your build system should have
> libbsd0:arm64 installed.
>
> Thanks,
>
> /mjt
>
I have investigated further, and I can solve the problems by installing
qemu-user, add it to binfmt, and let it execute the target compiled
`compile_et` and `asn1_compile` as they are compiled for aarch64. This also
requires of me to set appropriate LD_LIBRARY_PATH to the sysroot-target. If I
do not have qemu-aarch64 installed in binfmt the samba build fails because the
host does not recognize the executables.

I have also tried to install `comerr-dev` and `heimdal-multidev` and add
USING_SYSTEM_ASN1_COMPILE=1 ASN1_COMPILE=/usr/bin/asn1_compile
USING_SYSTEM_COMPILE_ET=1 COMPILE_ET=/usr/bin/compile_et to the ./configure
script, but samba build does not pick it up. I then tried write the options in
the `third_party/heimdal_build/wscript_configure` which solved the first
problems, but not all.
>From what I know, it seems samba requires an KRB5 implementation to build
at all, but I would prefer to leave it out in my use case.

My aim is to cross build samba for very limited embedded hardware platform
_without_ the need for qemu-user, and I wish to strip samba from anything
unnecessary. It only needs to support a "simple" file share, and
accept user
and password login from a smbpasswd file.

To mitigate my current build situation, I am installing MIT-KRB5 on the target
to satisfy samba needs. 

-- 
/Martin