bug#49367: Bootstrap binaries affected by spawni.c bug in glibc <= 2.26

[Ludovic Courtès]

Hi,

Ludovic Courtès <ludo@gnu.org> skribis:

> While building ‘findutils-boot0’ & co. for AArch64 on ci.guix, where
> some of the aarch64-linux nodes are emulated, I hit failures like this
> one a few times:
>
> starting phase `build'
> make: ../sysdeps/unix/sysv/linux/spawni.c:360: __spawnix: Assertion `ec >= 0' 
> failed.
> qemu: uncaught target signal 6 (Aborted) - core dumped
> error: in phase 'build': uncaught exception:
> srfi-34 #<condition &invoke-error [program: "make" arguments: ("-j" "24") 
> exit-status: #f term-signal: 6 stop-signal: #f] 149e880> 
> phase `build' failed after 0.1 seconds
> command "make" "-j" "24" failed with signal 6
> builder for 
> `/gnu/store/rkkgavlyvf06sfdnxlfqb11bljf989y1-findutils-boot0-4.8.0.drv' 
> failed with exit code 1

[...]

>   2. Build ‘make-boot0’ with ‘--disable-posix-spawn’.  Best solution in
>      my view.

Done in f436723ce7da2f5e752f5f4b6f0d568a7bea4403!

Note that this problem is already present in current ‘master’.  Note
also that on x86 we ‘make-boot0’ is built against glibc-mesboot0-2.16,
which is much older and isn’t affected by the ‘posix_spawn’ bug, AFAICS.

Ludo’.