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.
Thanks
Ibrahim
On Sun, Jan 18, 2026 at 7:29 PM Erik Wienhold <ewie@ewie.name> wrote:
On 2026-01-02 19:23 +0100, Ibrahim Shaame wrote: > I have tried to compile from source postgresql-18.1 but it fails and I get > the following error: > > gcc: fatal error: cannot read spec file ‘./specs’: Is a directory > compilation terminated. > make[2]: *** [<builtin>: isolationtester.o] Error 1 > make[2]: Leaving directory > '/data/dwnlds/dwnld_slack/postgresql-18.1/src/test/isolation' > make[1]: *** [Makefile:42: all-test/isolation-recurse] Error 2 > make[1]: Leaving directory '/data/dwnlds/dwnld_slack/postgresql-18.1/src' > make: *** [GNUmakefile:11: all-src-recurse] Error 2 > > Last compilation of postgresql-18.0 worked perfectly without issue and on > the same laptop > Any suggestions? > > I am on : Slackware64 Linux 15.0 (Current) > Acer E5-771 laptop
What are exact build commands you've executed?
Could be that LIBRARY_PATH contains an empty path. For example, I can reproduce it with:
