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Re: g++/GNU ld/position independent libraries

From: William A. Hoffman
Subject: Re: g++/GNU ld/position independent libraries
Date: Fri, 18 Jan 2002 06:41:23 -0500

At 10:47 AM 1/18/2002 +0000, Jason Merrill wrote:

GCC shared libraries should always be built with gcc -shared.  -nostdlib is

OK, I'll bite, how should they be built? I guess you would have to figure out if the libstdc++ was built shared or not then add or remove the -nostdlib? If libstdc++ is built static then you have to have the -nostdlib.
At least for gcc 2.9.5 this was the default installation for solaris.

I haven't heard about problems with Solaris shared libraries and GNU ld,
though that doesn't mean there aren't any.  You really want to use GNU as
and ld for C++ if at all possible, so that duplicate template
instantiations, vtables and such get discarded.

I think on solaris global Weak symbols are used anyway, and both linkers should get rid of duplicates right?


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