Re: Unable to compile postgresql-18.1

Thank you Tom
I will try to change my environment ( reinstall GCC and will let you know.
Thanks again
Ibrahim

On Wed, 21 Jan 2026, 18:56 Tom Lane, <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Ibrahim Shaame <ishaame(at)gmail(dot)com> writes:
> > Thank you for the response. As for LIBRARY_PATH, I have always manually
> > compiled postgresql and I don't explicitly mention the LIBRARY_PATH
> > directory. That's why I am surprised why this time with this subversion
> > doesn't work just as it worked in the last version.
>
> There is nothing in that area that we changed between 18.0 and 18.1;
> moreover, if we had broken something like that, it's highly unlikely
> that nobody but you would have noticed. You need to look at what
> changed in your build environment.
>
> gcc seems to be getting confused by the fact that src/test/isolation
> contains a subdirectory named "specs", but that's been there for
> years. The most likely explanation is that some environment variable
> is causing gcc to look in the current directory for its spec file
> (although I don't see any documentation of such a variable in the
> gcc manual). It's also plausible I guess that you have a corrupted
> gcc installation.
>
> regards, tom lane
>