.WAIT is new to me. Looking at the make docs, it seems that:
.NOTPARALLEL: install
would also work.
On Thu, 5 Feb 2026 at 20:21, Thomas Dickey <[email protected]> wrote:
>
> On Tue, May 13, 2025 at 07:43:22PM -0400, Thomas Dickey wrote:
> > On Tue, May 13, 2025 at 09:18:03PM +0200, Lucas Nussbaum wrote:
> > > Source: vile
> > > Version: 9.8za-1
> > > Severity: minor
> > > Tags: trixie sid ftbfs
> > > User: [email protected]
> > > Usertags: ftbfs-shuffle
> > >
> > > Hi,
> > >
> > > GNU Make now has a --shuffle option that simulates non-deterministic
> > > ordering
> > > of target prerequisites. See
> > > https://trofi.github.io/posts/238-new-make-shuffle-mode.html and also
> > > previous
> > > work in Debian by Santiago Vila:
> > > https://people.debian.org/~sanvila/make-shuffle/
> > >
> > > This package fails to build with make --shuffle=reverse.
> > > This is likely to be caused by a missing dependency in
> > > debian/rules or an upstream Makefile.
> > >
> > > More information about this mass bug filing is available at
> > > https://wiki.debian.org/qa.debian.org/FTBFS/Shuffle
> >
> > It took a few tries, but I was able to reproduce it with the attached
> > script abstracted from your log, on an 8-CPU machine.
>
> revisiting this, I noticed an error in my reproducer script (the --prefix
> option should have been --prefix=/usr), but since I'd had some success with
> that machine, spent some time to determine the cause of the problem.
>
> Basically, the problem is that make -j is chopping up the list in
> a line like this:
>
> install: $(INSTALL_DIRS) $(INSTALL_FILES)
>
> and executing the rules for the latter first. I suppose that I can
> add a configure check for ".WAIT" and use that:
>
> install: $(INSTALL_DIRS) .WAIT $(INSTALL_FILES)
>
> --
> Thomas E. Dickey <[email protected]>
> https://invisible-island.net
