On Tue, Apr 19, 2005 at 02:23:26PM +0200, Peter FELECAN wrote: > > > Currently the libgcc_s.so library has the same version in 3.4 and 4.0, > > > i.e libgcc_s.so.1 (SONAME = libgcc_s.so.1). > > > > > > Is this as expected?
Jakub Jelinek <[EMAIL PROTECTED]> writes: > > Yes. Peter: > > > Are the 2 libraries compatible? Interchangeable? Looking in the map > > > file, I don't think so. Jakub: > > There is backwards compatibility. So you want the latest libgcc_s.so.1 > > from the compilers used to build your applications. Peter: > I should understand that, as usual, there is no "backward" > compatibility. My worry being the case when somebody, having installed > 3.4 and 4.0, in this order, updates the previous compiler, 3.4, and > unknowingly replaces the latest library. For this, I think that > additional instrumentations are required by the corresponding > packages. Consequently, it is the role of the packager to assure an > hermetic separation. No, I think you misunderstood Jakub. If 4.0 is installed second, it will update the libgcc_s.so.1, and all the apps compiled with either compiler will continue to work. You want to avoid the reverse situation, where 4.0 is installed first and then 3.4.
