Compiling system for Ubuntu

[rafi Moor]

Hello,

I’m trying here after getting no answers in Ubuntu forums.

I have hard time compiling some Ubuntu packages from source.

I now try to compile systemd. On Ubunu 18.04 I've used apt source to get the source that is supposed to include Ubunu patches. After compilation, I replace libsystemd-shared-237.so with the one I've compiled. Programs that are linked with this shared object complain about reference to undefined symbol sd_bus_enqueue_for_read. using readelf I can see that the original library has this symbol but the new one doesn't. I've tried to apply CVE-2020-1712-2.patch but then the compilation fails on missing function bus_message_ref_queued(). This function is included in systemd version 246 but not in 237 which is the version on Ubuntu 18.04.

How can I compile systemd so that I get files identical to those of Ubuntu 18.04?

Thanks
Rafi
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