Re: Regression tests fail with musl libc because libpq.so can't be loaded - Mailing list pgsql-bugs

Thomas Munro:
> On Wed, Mar 20, 2024 at 3:03 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> +1 for stopping only at one of those two names.
> 
> Here's one like that for Wolfgang to test on musl.

Works fine.

Peter Eisentraut:
> We could turn it around and do
> 
> #if defined(__linux__)
> #if defined(__GLIBC__) || defined(__UCLIBC__ )
> #define PS_USE_CLOBBER_ARGV
> #else
> #define PS_USE_NONE
> #endif
> #endif

This works as well.

I also put together a PoC of what was mentioned in musl's mailing list: 
Instead of clobbering environ at all, exec yourself again with padded 
argv0. This works, too. Attached.

Best,

Wolfgang