bmake: use longer and more unique tempfile names

[wosch]

Summary

Temporary file names should have at least 10 random characters.

6 X are not enough.

Maybe this needs to be reported upstream as well.

[sjg]

Yes, this should be addressed in upstream

[sjg]

contrib/bmake/configure

8072

This is generated by autoconf - don't mess with it

[sjg]

Q why 10 ? mktemp(1) on netbsd uses 8 in its examples, mktemp(1) on freebsd uses 6

[wosch]

In D59424#1373884, @sjg wrote:

Q why 10 ? mktemp(1) on netbsd uses 8 in its examples, mktemp(1) on freebsd uses 6

10 X seems to be consensus among most modern supported OS

Debian12/13, FreeBSD 14/stable, 15/stable, 16-current uses 10 X by default:
$ mktemp | perl -npe 's/.+\.//; chomp' | wc -c
10

According to its man page, OpenBSD has also used 10X for a very long time.

[sjg]

FYI this has been addressed in NetBSD, will be in the next import

[wosch]

In D59424#1375090, @sjg wrote:

FYI this has been addressed in NetBSD, will be in the next import

Many thanks!