Solaris gcc 4.0.0 static linking of libgcc.a

[Eric Botcazou]

> I have a question about the different behaviour of the Linux and Solaris
> versions of gcc (3.4.x and 4.0.x) regarding static linking of libgcc. I do
> the static linking by adding the libgcc.a library.

Ideally you should not.  Use -shared-libgcc or -static-libgcc instead.

> The Linux versions link libgcc statically, as do the Solaris versions. But
> then the Solaris version requires to additionally load libgcc_s.so, although
> there there no undefined references to GCC. When I change the specs file
> (for 3.4.x), so that the libgcc section of the Solaris version matches the
> Linux version, also the Solaris version behaves like *I* expect.

The shared version is required on Solaris to properly support exception 
handling across shared libraries.

> Now my question: which behaviour is the correct one?

Both.

-- 
Eric Botcazou