Re: selinux: insufficient M4 detection with building static binaries

[Assaf Gordon]

Hello Bruno,

Thanks for investigating further and the clear explanation.

On 2019-04-07 5:08 a.m., Bruno Haible wrote:
[....]
> So, these are the libraries that are needed. Apparently libselinux is
> built in such a way that it needs libdl in the shared build, but libsepol
> in the static build.

Indeed, I now see they use dlopen/dlsym when building as a shared
library, but direct linking when static:

https://github.com/SELinuxProject/selinux/blob/5d59284381193d5a6806e7fa310ed4c4064d225d/libselinux/src/load_policy.c#L56

[...]


> It would be better to instead set LIB_SELINUX to
> "-lselinux -lpcre -lsepol -lpthread" (in the static case).

This is a better solution, sadly I do not know how to
implement this in M4 (e.g. detecting a static build,
then deducing the required static libraries...).


regards,
 - assaf