On 27/10/2020 10:37, Jan Beulich wrote: > On 27.10.2020 11:27, Olaf Hering wrote: >> Am Tue, 27 Oct 2020 11:16:04 +0100 >> schrieb Jan Beulich <jbeul...@suse.com>: >> >>> This pattern is used when a rule consists of multiple commands >>> having their output appended to one another's. >> My understanding is: a rule is satisfied as soon as the file exists. > No - once make has found that a rule's commands need running, it'll > run the full set and only check again afterwards.
It stops at the first command which fails. Olaf is correct, but the problem here is an incremental build issue, not a parallel build issue. Intermediate files must not use the name of the target, or a failure and re-build will use the (bogus) intermediate state rather than rebuilding it. ~Andrew
