[lttng-dev] checkinstall and lttng-ust with Java/JNI support

[Alexandre Montplaisir]

Hi Daniel,

On 13-04-24 05:25 PM, Thibault, Daniel wrote:
>    I was fooling around with checkinstall in order to create installation packages for lttng-modules, userspace-rcu, etc., when I ran into what seems a very obscure bug (googling for the error message "unable to create `/proc/self/coredump_filter.dpkg-new'" brings up nothing).
>
>    It occurs when building the Debian package for lttng-ust, but only if Java/JNI support was requested. That is to say, building lttng-ust with no extra support or with just systemtap support packages just fine.
>
>    But when I build it with JNI/Java support, the 'sudo checkinstall make install' runs into this at the end:
>
> Selecting previously unselected package lttng-ust-java.
> (Reading database ... 147274 files and directories currently installed.)
> Unpacking lttng-ust-java (from .../lttng-ust-java_2.2.0-rc1-12_amd64.deb) ...
> dpkg: error processing /home/daniel/Documents/git.lttng.org/lttng-ust-2.2.0-rc1+-a16877a-Java/lttng-ust-java_2.2.0-rc1-12_amd64.deb (--install):
>  unable to create `/proc/self/coredump_filter.dpkg-new' (while processing `./proc/self/coredump_filter'): No such file or directory
> Processing triggers for man-db ...
> Errors were encountered while processing:
>  /home/daniel/Documents/git.lttng.org/lttng-ust-2.2.0-rc1+-a16877a-Java/lttng-ust-java_2.2.0-rc1-12_amd64.deb
>
>    Note that the install supervised by checkinstall worked fine, and the package was built successfully: the problem occurs when the package is fed to apt, it seems.  The resulting package will cause the same error when run through the Ubuntu Software Centre, for instance, meaning it is unusable.
>
>    Any clues as to what is failing here?

checkinstall has always been kind of sloppy. You could get some insight
by printing the contents of the package (by doing "dpkg-deb --contents
<package-name>.deb"), it could be an invalid character somewhere, a path
it doesn't recognize, etc.

But if you want to build .deb packages to install on something other
than your own machine, you should really use dpkg-buildpackage or, even
better, pbuilder. Those require proper packaging information in a
debian/ sub-directory. You can look at the debian/ directories in the
Ubuntu packages (which you can get with "apt-get source lttng-ust"), it
should be straightforward to tweak it to your needs.


Cheers,
Alexandre

>
> Daniel U. Thibault
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