Re: [ 101415 ] libtool + C++ + gcc on solaris

[Bob Friesenhahn]

This problem does not exist in the CVS version of libtool, which uses
the C++ compiler to link C++ objects.  The fix will be in libtool 1.5.

Bob

On Fri, 18 Oct 2002 address@hidden wrote:

>
>
> Support Request #101415, was updated on 2002-Oct-18 09:55
> You can respond by visiting:
> http://savannah.gnu.org/support/?func=detailsupport&support_id=101415&group_id=25
>
> Category: None
> Status: Open
> Priority: 5
> Summary: libtool + C++ + gcc on solaris
>
> By: David.Decotigny
> Date: 2002-Oct-18 09:55
> Logged In: NO
> Browser: Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.1) Gecko/20020827
>
> We have gcc-3.2 here compiled using:
>   --enable-shared --with-as=/usr/ccs/bin/as
> --with-ld=/usr/ccs/bin/ld
>
> When configure runs libtool, it discovers that gcc does
> not use a GNU ld, which is just the case. So, when
> creating a shared library, it will be the case that
> libtool will "manually" invoke the ld (/usr/ccs/bin/ld
> here). Why not... BUT...
>
> The library works fine as long as there are no C++
> global objects that are expected to be constructed
> before main() (ie global objects declared in a c++
> source as "MyClass object(init_parameters)). If there
> are such objects, the behavior any program dynamically
> linked against the library is to simply ignore them, or
> to crash in the middle of the objects instanciations...
>
> I noticed that building the library manually with
> "gcc-3.2 -shared" instead of the "ld" command line set
> by libtool, will result in a correct behavior:
> everything will be correctly initialized before main().
> If I add the crtbegin/crti/crtend objects in the
> library, it actually seems to work fine too.
>
> So the question: why try to guess a (apparently broken)
> ld command line, since gcc -shared seems to do the job
> right?
>
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>
>
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======================================
Bob Friesenhahn
address@hidden
http://www.simplesystems.org/users/bfriesen