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Re: [RFH] changing linkfile name depending on a flag passed

From: Jim Wilson <wilson at specifixinc dot com>
To: Andrew Pinski <pinskia at physics dot uc dot edu>
Cc: gcc at gcc dot gnu dot org
Date: Tue, 01 Jun 2004 00:15:25 -0700
Subject: Re: [RFH] changing linkfile name depending on a flag passed
References: <84910A87-AEBD-11D8-ACD4-000393A6D2F2@physics.uc.edu>

Andrew Pinski wrote:

To support libobjc on Darwin I need able change -lobjc to
-lobjc-gnu if -fgnu-runtime is supplied.  I know that gcc.c
needs to be changed but I do not know where to change -lobjc
to be -lobjc-gnu, I tried LINK_SPECS but that did not work at
all.

LINK_SPECS can be overriden by the target, and it is overriden by many. See for instance config/darwin.h.

You might have to create a new SPEC for this purpose, and then modify LINK_COMMAND_SPEC to use it. And then modify targets that override LINK_COMMAND_SPEC to include it also, but fortunately there are only two of those, darwin and i386/djgpp.h. -- Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com

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