libgcc_s.so.1 exception handling behaviour depending on glibcversion

[Daniel Kegel]

Kai Rottu wrote:
>> On windows, it is possible to build a binary using a compiler on Windows XP 
>> that can then run on older versions of windows simply by not using any features
>> specific to the newest versions of windows XP (or by using LoadLibrary and
>> GetProcAddress to see if those features are available or not). 
>>  Can you do the same thing on linux?
>  ...
> The only prerequisite is a GCC & glibc & other required libraries combination
> which produces apps for Linux/XYZ instead of only for the Linux version/distro
> happened to be installed as the development platform... Simple solution but not
> generally liked by the Linux distributors.... Why? Otherwise this kind of toolchain
> would be always present in a Linux distro. ...

I think the LSB group is working on a toolchain that would fill this need; see
http://www.linuxbase.org/build/

Also, I'm about to submit crosstool to Fedora Extras,
though I suspect they'll only ship a restricted set of
crosstool toolchains (maybe crosscompilers targeting
all FC4-supported architectures), since each crosstool toolchain
.rpm is fairly sizable, 20-30MB.

I expect that eventually, such toolchains will in fact
come standard with Linux distributions to some extent.