GNU logs - #19810, boring messages

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Subject: bug#19810: C++ library fails to compile/link with Sun C++ 5.12 with libtool 2.4.5
Resent-From: Bob Friesenhahn <bfriesen@HIDDEN>
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Date: Sat, 7 Feb 2015 16:33:35 -0600 (CST)
From: Bob Friesenhahn <bfriesen@HIDDEN>
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While attending to libtiff, I noticed that its small C++ library 
component fails to link using Sun C++ 5.12 when using libtool 2.4.5. 
It succeeds to link with libtool 2.4.4.  Other tools used (in common) 
are autoconf 2.69 and automake 1.15.  No special CXXFLAGS were 
specified.

Doing a diff of the successful and failing output, I see that 
libraries which appeared before on the link line are now missing.

Good:

   libtool: link: ... -lm -library=Cstd -library=Crun -lc   -O

Bad:

   libtool: link: ... -lm -lc   -O

I assume that the problem was added on 2014-12-12 by this change:

         libtool: more carefully avoid automatic -Cstd -Crun on Sun Pro CXX.
         * m4/libtool.m4 (_LT_FUNC_SUNCC_CSTD_ABI): New function factored out
         of repeated code.  Take note of other known -Cstd incompatible
         compiler flags.
         (_LT_SYS_HIDDEN_LIBDEPS): Use it to determine whether -Cstd -Crun
         can be safely added to postdeps with Sun Pro CXX.
         * NEWS: Update.
         * NO-THANKS: Add Marc Glisse.
         Reported by Marc Glisse

Bob
-- 
Bob Friesenhahn
bfriesen@HIDDEN, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Bob Friesenhahn <bfriesen@HIDDEN>
Subject: bug#19810: Acknowledgement (C++ library fails to compile/link
 with Sun C++ 5.12 with libtool 2.4.5)
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Date: Sat, 07 Feb 2015 22:34:02 +0000

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--=20
19810: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D19810
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Subject: bug#19810: C++ library fails to compile/link with Sun C++ 5.12 with libtool 2.4.5
Resent-From: "Gary V. Vaughan" <gary@HIDDEN>
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From: "Gary V. Vaughan" <gary@HIDDEN>
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Date: Sun, 8 Feb 2015 10:16:40 +0000
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Hi Bob,

On Feb 7, 2015, at 10:33 PM, Bob Friesenhahn <bfriesen@HIDDEN> w=
rote:
>=20
> While attending to libtiff, I noticed that its small C++ library component=
 fails to link using Sun C++ 5.12 when using libtool 2.4.5. It succeeds to l=
ink with libtool 2.4.4.  Other tools used (in common) are autoconf 2.69 and a=
utomake 1.15.  No special CXXFLAGS were specified.
>=20
> Doing a diff of the successful and failing output, I see that libraries wh=
ich appeared before on the link line are now missing.
>=20
> Good:
>=20
>  libtool: link: ... -lm -library=3DCstd -library=3DCrun -lc   -O
>=20
> Bad:
>=20
>  libtool: link: ... -lm -lc   -O
>=20
> I assume that the problem was added on 2014-12-12 by this change:
>=20
>        libtool: more carefully avoid automatic -Cstd -Crun on Sun Pro CXX.=

>        * m4/libtool.m4 (_LT_FUNC_SUNCC_CSTD_ABI): New function factored ou=
t
>        of repeated code.  Take note of other known -Cstd incompatible
>        compiler flags.
>        (_LT_SYS_HIDDEN_LIBDEPS): Use it to determine whether -Cstd -Crun
>        can be safely added to postdeps with Sun Pro CXX.
>        * NEWS: Update.
>        * NO-THANKS: Add Marc Glisse.
>        Reported by Marc Glisse
>=20
> Bob

I plan to roll a release today or tomorrow, so please commit a fix or revert=
 changeset before then if you'd like to fix this bug before then!

Cheers,
Gary=20=

Message sent to bug-libtool@HIDDEN:

Subject: bug#19810: C++ library fails to compile/link with Sun C++ 5.12 with libtool 2.4.5
Resent-From: Bob Friesenhahn <bfriesen@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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Resent-Date: Sun, 08 Feb 2015 20:50:02 +0000
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To: "Gary V. Vaughan" <gary@HIDDEN>
Cc: "19810 <at> debbugs.gnu.org" <19810 <at> debbugs.gnu.org>
Date: Sun, 8 Feb 2015 14:48:51 -0600 (CST)
From: Bob Friesenhahn <bfriesen@HIDDEN>
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 <21829688-8A70-4F42-9C90-AB5C8BC4BE48@HIDDEN>
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On Sun, 8 Feb 2015, Gary V. Vaughan wrote:
>
> I plan to roll a release today or tomorrow, so please commit a fix 
> or revert changeset before then if you'd like to fix this bug before 
> then!

I doubt that this issue can be resolved in that time-frame.  I am 
unsure if this failure is due to this specific compiler version (which 
happened to be invoked under OpenIndiana), or would be a 
commonly-occuring failure.

The latest Oracle Studio compiler (which I do not yet have) now 
supports something like 4 different C++ run-time libraries, now also 
including the GNU C++ library.  Understanding the permutations, and 
how to test for them would take research and testing.

Bob
-- 
Bob Friesenhahn
bfriesen@HIDDEN, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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