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Message-ID: <43a2975b-2dab-4a1c-be3f-93dcc249f8f1@gmail.com>
Date: Wed, 21 Jan 2026 13:42:56 +0100
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Subject: Re: Unable to compile postgresql-18.1
To: Ibrahim Shaame <ishaame@gmail.com>
Cc: pgsql-admin <pgsql-admin@lists.postgresql.org>
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From: Pierre Forstmann <pierre.forstmann@gmail.com>
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As already requested, please answer following questions with lots of 
details;

What are exact build commands you've executed?


Le 21/01/2026 à 09:52, Ibrahim Shaame a écrit :
> I have manually directed the LD_LIBRARY_PATH to /usr/lib64 but I get 
> the same error message.
> Any suggestions?
> Thanks
> Ibrahim Shaame
>
> On Wed, Jan 21, 2026 at 9:49 AM Ibrahim Shaame <ishaame@gmail.com> wrote:
>
>     Hello Erik,
>     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:
>
>                 export LIBRARY_PATH=
>                 make clean world-bin
>
>         -- 
>         Erik Wienhold
>
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    <p>As already requested, please answer following questions with lots
      of details;</p>
    <pre wrap="" class="moz-quote-pre">What are exact build commands you've executed?</pre>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Le 21/01/2026 à 09:52, Ibrahim Shaame a
      écrit :<br>
    </div>
    <blockquote type="cite"
cite="mid:CAJOWwD77EeL+=Li_T2qqvEbomXV1Edq36xjdvHzQ-To1ma+DjA@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div>I have manually directed the LD_LIBRARY_PATH to /usr/lib64
          but I get the same error message.</div>
        <div>Any suggestions?</div>
        <div>Thanks</div>
        <div>Ibrahim Shaame<br>
        </div>
      </div>
      <br>
      <div class="gmail_quote gmail_quote_container">
        <div dir="ltr" class="gmail_attr">On Wed, Jan 21, 2026 at
          9:49 AM Ibrahim Shaame &lt;<a href="mailto:ishaame@gmail.com"
            moz-do-not-send="true" class="moz-txt-link-freetext">ishaame@gmail.com</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div dir="ltr">
            <div>Hello Erik,</div>
            <div>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.</div>
            <div><br>
            </div>
            <div>Thanks</div>
            <div>Ibrahim<br>
            </div>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">On Sun, Jan 18, 2026 at
              7:29 PM Erik Wienhold &lt;<a href="mailto:ewie@ewie.name"
                target="_blank" moz-do-not-send="true"
                class="moz-txt-link-freetext">ewie@ewie.name</a>&gt;
              wrote:<br>
            </div>
            <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On
              2026-01-02 19:23 +0100, Ibrahim Shaame wrote:<br>
              &gt; I have tried to compile from source postgresql-18.1
              but it fails and I get<br>
              &gt; the following error:<br>
              &gt; <br>
              &gt; gcc: fatal error: cannot read spec file ‘./specs’: Is
              a directory<br>
              &gt; compilation terminated.<br>
              &gt; make[2]: *** [&lt;builtin&gt;: isolationtester.o]
              Error 1<br>
              &gt; make[2]: Leaving directory<br>
              &gt;
              '/data/dwnlds/dwnld_slack/postgresql-18.1/src/test/isolation'<br>
              &gt; make[1]: *** [Makefile:42:
              all-test/isolation-recurse] Error 2<br>
              &gt; make[1]: Leaving directory
              '/data/dwnlds/dwnld_slack/postgresql-18.1/src'<br>
              &gt; make: *** [GNUmakefile:11: all-src-recurse] Error 2<br>
              &gt; <br>
              &gt; Last compilation of postgresql-18.0 worked perfectly
              without issue and on<br>
              &gt; the same laptop<br>
              &gt; Any suggestions?<br>
              &gt; <br>
              &gt; I am on : Slackware64 Linux 15.0 (Current)<br>
              &gt; Acer E5-771 laptop<br>
              <br>
              What are exact build commands you've executed?<br>
              <br>
              Could be that LIBRARY_PATH contains an empty path.  For
              example, I can<br>
              reproduce it with:<br>
              <br>
                      export LIBRARY_PATH=<br>
                      make clean world-bin<br>
              <br>
              -- <br>
              Erik Wienhold<br>
            </blockquote>
          </div>
        </blockquote>
      </div>
    </blockquote>
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