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From: Ibrahim Shaame <ishaame@gmail.com>
Date: Wed, 21 Jan 2026 11:52:17 +0300
Message-ID: 
 <CAJOWwD77EeL+=Li_T2qqvEbomXV1Edq36xjdvHzQ-To1ma+DjA@mail.gmail.com>
Subject: Re: Unable to compile postgresql-18.1
To: Erik Wienhold <ewie@ewie.name>
Cc: pgsql-admin <pgsql-admin@lists.postgresql.org>
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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=E2=80=AFAM 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=E2=80=AFPM Erik Wienhold <ewie@ewie.name> wr=
ote:
>
>> 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 =E2=80=98./specs=E2=80=99: 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=3D
>>         make clean world-bin
>>
>> --
>> Erik Wienhold
>>
>

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<div dir=3D"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><di=
v>Thanks</div><div>Ibrahim Shaame<br></div></div><br><div class=3D"gmail_qu=
ote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Ja=
n 21, 2026 at 9:49=E2=80=AFAM Ibrahim Shaame &lt;<a href=3D"mailto:ishaame@=
gmail.com">ishaame@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"g=
mail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex"><div dir=3D"ltr"><div>Hello Erik,</div><div>Tha=
nk you for the response. As for LIBRARY_PATH, I have always manually compil=
ed postgresql and I don&#39;t explicitly mention the LIBRARY_PATH directory=
. That&#39;s why I am surprised why this time with this subversion doesn=
9;t work just as it worked in the last version.</div><div><br></div><div>Th=
anks</div><div>Ibrahim<br></div></div><br><div class=3D"gmail_quote"><div d=
ir=3D"ltr" class=3D"gmail_attr">On Sun, Jan 18, 2026 at 7:29=E2=80=AFPM Eri=
k Wienhold &lt;<a href=3D"mailto:ewie@ewie.name" target=3D"_blank">ewie@ewi=
e.name</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin: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 =E2=80=98./specs=E2=80=99: 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; &#39;/data/dwnlds/dwnld_slack/postgresql-18.1/src/test/isolation&#39;<=
br>
&gt; make[1]: *** [Makefile:42: all-test/isolation-recurse] Error 2<br>
&gt; make[1]: Leaving directory &#39;/data/dwnlds/dwnld_slack/postgresql-18=
.1/src&#39;<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&#39;ve executed?<br>
<br>
Could be that LIBRARY_PATH contains an empty path.=C2=A0 For example, I can=
<br>
reproduce it with:<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 export LIBRARY_PATH=3D<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 make clean world-bin<br>
<br>
-- <br>
Erik Wienhold<br>
</blockquote></div>
</blockquote></div>

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