Re: Boost.Build 1.73.0 Error

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On Fri, May 8, 2020 at 1:52 AM Dennis Hart via Boost-build <
[email protected]> wrote:

> Installed boost and then tried example...
> /usr/include/boost_1_73_0/build-develop/example/hello
>
> Looking for input on...
> How to solve this error after installing latest version boost (1.73.0)?
>
>
> *ERROR: rule "[[bbv2.builtin.features.warnings]]`warnings`::" unknown in
> module "warnings-feature".*
>
> If I remove the block comments in warnings-feature.jam the error simply
> propogates to next jam file with block comment.
>
> Only thing I can find online is suggestion that may not be using latest
> version of boost.build as error suggestive that b2 does not understand
> block comments.
>
> Here is link https://lists.boost.org/Archives/boost/2020/03/248336.php
>
> Below is boost version and boost.build version after install...
>
> $ cat /usr/include/boost_1_73_0/boost/version.hpp | grep
> "BOOST_LIB_VERSION"
> //  BOOST_LIB_VERSION must be defined to be the same as BOOST_VERSION
> #define BOOST_LIB_VERSION "1_73"
>
> $ b2 -v
> Boost.Jam  Version 2015.07. OS=LINUX.
>    Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
>    Copyright 2001 David Turner.
>    Copyright 2001-2004 David Abrahams.
>    Copyright 2002-2015 Rene Rivera.
>    Copyright 2003-2015 Vladimir Prus.
>
> Thanks in advance
>

As your research has revealed, you are using an outdated b2 version instead
of the one that is included in the distribution. The one in the
distribution says:

===
$ ./b2 -v
B2 Version 4.2. OS=LINUX.
  Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
  Copyright 2001 David Turner.
  Copyright 2001-2004 David Abrahams.
  Copyright 2002-2019 Rene Rivera.
  Copyright 2003-2015 Vladimir Prus.
===

HTH

-- 
-- Rene Rivera
-- Grafik - Don't Assume Anything
-- Robot Dreams - http://robot-dreams.net

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<div dir=3D"ltr"><div dir=3D"ltr">On Fri, May 8, 2020 at 1:52 AM Dennis Har=
t via Boost-build &lt;<a href=3D"mailto:[email protected]">boost-=
[email protected]</a>&gt; wrote:<br></div><div class=3D"gmail_quote"><b=
lockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-le=
ft:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div style=
=3D"font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb=
(0,0,0)"><div style=3D"margin:0px;font-size:12pt">Installed boost and then =
tried example...</div><div style=3D"margin:0px;font-size:12pt"><div style=
=3D"margin:0px;font-size:12pt">/usr/include/boost_1_73_0/build-develop/exam=
ple/hello<br></div><div style=3D"margin:0px;font-size:12pt"><br></div><div =
style=3D"margin:0px;font-size:12pt">Looking for input on...</div></div><div=
 style=3D"margin:0px;font-size:12pt">How to solve this error after installi=
ng latest version boost (1.73.0)?</div><div style=3D"margin:0px;font-size:1=
2pt"><br></div><div style=3D"margin:0px;font-size:12pt"><b>ERROR: rule &quo=
t;[[bbv2.builtin.features.warnings]]`warnings`::&quot; unknown in module &q=
uot;warnings-feature&quot;.<br></b></div><div style=3D"margin:0px;font-size=
:12pt"><br></div><div style=3D"margin:0px;font-size:12pt"><div style=3D"mar=
gin:0px;font-size:12pt">If I remove the block comments in warnings-feature.=
jam the error simply propogates to next jam file with block comment.</div><=
/div><div style=3D"margin:0px;font-size:12pt"><br></div><div style=3D"margi=
n:0px;font-size:12pt">Only thing I can find online is suggestion that may n=
ot be using latest version of boost.build as error suggestive that b2 does =
not understand block comments.</div><div style=3D"margin:0px;font-size:12pt=
"><br></div><div style=3D"margin:0px;font-size:12pt">Here is link=C2=A0<a h=
ref=3D"https://lists.boost.org/Archives/boost/2020/03/248336.php" id=3D"gma=
il-m_-5977329344270194551gmail-m_-5652548607565506557LPlnk945760" target=3D=
"_blank">https://lists.boost.org/Archives/boost/2020/03/248336.php</a></div=
><div style=3D"margin:0px"><div style=3D"margin:0px;font-size:12pt"><br></d=
iv><div style=3D"margin:0px;font-size:12pt">Below is boost version and boos=
t.build version after install...</div><div style=3D"margin:0px;font-size:12=
pt"><br></div></div></div><div style=3D"font-family:Calibri,Arial,Helvetica=
,sans-serif;font-size:12pt;color:rgb(0,0,0)">$ cat /usr/include/boost_1_73_=
0/boost/version.hpp | grep &quot;BOOST_LIB_VERSION&quot;<br><div>// =C2=A0B=
OOST_LIB_VERSION must be defined to be the same as BOOST_VERSION<br></div><=
div>#define BOOST_LIB_VERSION &quot;1_73&quot;</div></div><div style=3D"fon=
t-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)=
"><br></div><div style=3D"font-family:Calibri,Arial,Helvetica,sans-serif;fo=
nt-size:12pt;color:rgb(0,0,0)">$ b2 -v<br><div>Boost.Jam =C2=A0Version 2015=
.07. OS=3DLINUX.<br></div><div>=C2=A0 =C2=A0Copyright 1993-2002 Christopher=
 Seiwald and Perforce Software, Inc.<br></div><div>=C2=A0 =C2=A0Copyright 2=
001 David Turner.<br></div><div>=C2=A0 =C2=A0Copyright 2001-2004 David Abra=
hams.<br></div><div>=C2=A0 =C2=A0Copyright 2002-2015 Rene Rivera.<br></div>=
<div>=C2=A0 =C2=A0Copyright 2003-2015 Vladimir Prus.<br></div><div><br></di=
v></div><div style=3D"font-family:Calibri,Arial,Helvetica,sans-serif;font-s=
ize:12pt;color:rgb(0,0,0)">Thanks in advance</div></div></blockquote><div><=
br></div><div>As your research has revealed, you are using an outdated b2 v=
ersion instead of the one that is included in the distribution. The one in =
the distribution says:</div><div><br></div><div>=3D=3D=3D<br></div><div>$ .=
/b2 -v<br>B2 Version 4.2. OS=3DLINUX.<br>=C2=A0 Copyright 1993-2002 Christo=
pher Seiwald and Perforce Software, Inc.<br>=C2=A0 Copyright 2001 David Tur=
ner.<br>=C2=A0 Copyright 2001-2004 David Abrahams.<br>=C2=A0 Copyright 2002=
-2019 Rene Rivera.<br>=C2=A0 Copyright 2003-2015 Vladimir Prus.<br></div><d=
iv>=3D=3D=3D<br clear=3D"all"></div></div><div><br></div><div>HTH</div><div=
><br></div>-- <br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"lt=
r"><div><div dir=3D"ltr">-- Rene Rivera<br>-- Grafik - Don&#39;t Assume Any=
thing<br>-- Robot Dreams -=C2=A0<a href=3D"http://robot-dreams.net/" target=
=3D"_blank">http://robot-dreams.net</a><br><br></div></div></div></div></di=
v>

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