qemu-3.1.0 will not build with glibc-2.33

[wwwutz]

error: static declaration of ‘gettid’ follows non-static declaration

VERSIONS
       The gettid() system call first appeared on Linux in kernel 2.4.11.  Library support was added in glibc 2.30.  (Earlier glibc versions did not provide a wrapper  for  this  system call, necessitating the use of syscall(2).)

maybe this is fixed in later versions but it blocks system-qemu-3.1.0 to be built.

[thomas]

As for qemu-3.1.0, fixing gettid ended in a failure for stime. (see e.g.
https://wiki.gentoo.org/wiki/Glibc_2.31_porting_notes/stime_removal)
The stime issue persists in qemu-4.0.1, and 4.1.1 starts looking good (i.e. builds and installs). Time to elevate the VM's ?

[donald]

• Make /pkg/qemu-5.1.0-0 LOCAL
• restart runing VMs to this package
• upgrade or remove qemu-3.1.0 from system

?

[thomas]

I think 3.1.0 can be removed w/o any update. 5.1.0 'behaved well' during various tests, but I fear the qemu-start-scripts need some reviewing, since the commandline options tend to change a bit.

[donald]

Resolved by #2134