* Use an older glibc so resulting binaries can run
on older systems (without having to link statically
against glibc)
* Call packages static-compat-* to make it clear that
these packages are intended for compatibility with
older distributions
* Add further libraries to get static-compat-qt6-base
and some other static-compat-qt6-* packages building
Initial motivation of adding the flag was better consistency with
compile flags used for regular Arch Linux packages.
However, adding -fstack-protector-strong seems to cause segmentation
faults even before main() is called.
The issue is not reproducible with a simple hello world app and also
not reproducible when launching the app under Linux with WINE. But
a full-blown Qt 5 app crashes in the way described.
Martchus