The following reply was made to PR ports/182468; it has been noted by GNATS.
From: Peter Jeremy <pe...@rulingia.com>
To: Eitan Adler <li...@eitanadler.com>
Cc: Bernhard =?iso-8859-1?Q?Fr=F6hlich?= <de...@bluelife.at>,
bug-followup <bug-follo...@freebsd.org>, v...@freebsd.org
Subject: Re: ports/182468: [patch] lang/gcc builds unrunnable
emulators/virtualbox-ose
Date: Fri, 22 Nov 2013 06:01:34 +1100
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On 2013-Nov-17 16:32:46 -0500, Eitan Adler <li...@eitanadler.com> wrote:
>On Wed, Nov 13, 2013 at 7:40 AM, Bernhard Fr=F6hlich <de...@bluelife.at> w=
rote:
>> I think the idea and approach is correct but I went for a slighly more
>> conservative
>> approach if _GCC_RUNTIME was not set which is true in case base gcc is =
used=3D
>
>This can not possibly be correct as the variable begins with a "_".
>The initial proposed patch is also incorrect for a similar reason.
>_GCC_RUNTIME is not valid for use in a ports Makefile.
I completely agree. As I initially stated, this is solely a work-
around for a bug in lang/gcc*. In fact the existing use of
_GCC_RUNTIME in bsd.gcc.mk is equally wrong and is also just a work-
around for lang/gcc* bugs.
>Perhaps it would help if USE_GCC or USES=3Dcompiler exposed a variable
>indicating the runtime?
This is not correct either. A port using lang/gcc should not need to
know about the compiler internals. If code compiled with gcc46 needs
to be linked against non-standard libraries then using gcc46 for
linking should be sufficient - it shouldn't be necessary to add
magic "-Wl,-rpath=3D..." options.
(IMO, the whole -L/-rpath approach is broken: The runtime searchpath
should default to the linktime searchpath. Unfortunately, fixing that
isn't possible).
--=20
Peter Jeremy
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