[Samba] Build error while compiling 4.9.8 when using gcc 4.8.5

Alex Braunegg alex.braunegg at gmail.com
Sun Jun 2 10:00:10 UTC 2019

Hi all,


In attempting to build Samba 4.9.8 on CentOS 6 using mock, but using Kernel
4.19.46 as a base, Samba failed to compile spitting out the following error:



[ 178/3886] Generating smbd/build_options.c

[ 179/3886] Generating PKGCONFIG_netapi.pc

[ 180/3886] Generating samba-passdb_empty_c

[ 181/3886] Generating PKGCONFIG_smbclient.pc

[ 182/3886] Generating vfs_empty_c

[ 183/3886] Generating nfs41acl-xdr-c

[ 184/3886] Generating nfs41acl-h

rpcgen: C preprocessor failed with exit code 1

rpcgen: C preprocessor failed with exit code 1

fooresult B.1,rfc4518-map

Waf: Leaving directory `/builddir/build/BUILD/samba-4.9.8/bin'

Build failed:  -> task failed (err #1): 

        {task: nfs41acl-h nfs41acl.x -> nfs41acl.h}

make: *** [all] Error 1

RPM build errors:

error: Bad exit status from /var/tmp/rpm-tmp.qXnSSf (%build)

    Bad exit status from /var/tmp/rpm-tmp.qXnSSf (%build)

Child return code was: 1

EXCEPTION: Command failed. See logs for output.

# ['bash', '--login', '-c', 'rpmbuild -bb --target x86_64 --nodeps

Traceback (most recent call last):

  File "/usr/lib/python2.6/site-packages/mockbuild/trace_decorator.py", line
70, in trace

    result = func(*args, **kw)

  File "/usr/lib/python2.6/site-packages/mockbuild/util.py", line 359, in do

    raise mockbuild.exception.Error, ("Command failed. See logs for
output.\n # %s" % (command,), child.returncode)

Error: Command failed. See logs for output.

# ['bash', '--login', '-c', 'rpmbuild -bb --target x86_64 --nodeps




Compiling the same Samba package, but using Kernel 4.4.180, Samba 4.9.8
compiles successfully without issue. The only difference between each build
environment is below:

















The package upgrades were essentially needed to support the newer 4.19.x
kernel series to compile successfully and to support CONFIG_RETPOLINE
(Compile kernel with the retpoline compiler options to guard against
kernel-to-user data leaks by avoiding speculative indirect branches). In
terms of kernel configuration - these are pretty much the same.


Reading the lists this issue has been seen before
(https://lists.samba.org/archive/samba/2018-December/219926.html), however
on both build systems the following is installed in the build root, and the
'older' gcc (4.6.2) seems to handle what rpcgen is generating.



DEBUG util.py:264:   libldb-devel         x86_64 1.4.6-1.el6
Local_Repo                    71 k

DEBUG util.py:264:   libtalloc-devel      x86_64 2.1.14-1.el6
Local_Repo                    51 k

DEBUG util.py:264:   libtdb-devel         x86_64 1.3.16-1.el6
Local_Repo                    15 k

DEBUG util.py:264:   libtevent-devel      x86_64 0.9.37-2.el6
Local_Repo                    53 k

DEBUG util.py:264:   pyldb-devel          x86_64 1.4.6-1.el6
Local_Repo                    11 k

DEBUG util.py:264:   pytalloc-devel       x86_64 2.1.14-1.el6
Local_Repo                   6.5 k

DEBUG util.py:264:   python-tdb           x86_64 1.3.16-1.el6
Local_Repo                    15 k

DEBUG util.py:264:   python-tevent        x86_64 0.9.37-2.el6
Local_Repo                    13 k

DEBUG util.py:264:   libldb               x86_64 1.4.6-1.el6
Local_Repo                   134 k

DEBUG util.py:264:   libtalloc            x86_64 2.1.14-1.el6
Local_Repo                    28 k

DEBUG util.py:264:   libtdb               x86_64 1.3.16-1.el6
Local_Repo                    43 k

DEBUG util.py:264:   libtevent            x86_64 0.9.37-2.el6
Local_Repo                    34 k

DEBUG util.py:264:   pyldb                x86_64 1.4.6-1.el6
Local_Repo                    39 k

DEBUG util.py:264:   pytalloc             x86_64 2.1.14-1.el6
Local_Repo                    13 k



Just wondering if anyone has any suggestions as where to look further in
solving this.


Best regards,



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