Re: multi-threaded compiling

[alex xmb sw ratchev]

i also completly dont get ur issue

f=( a.c b.c .. ) threads=$( nproc ) i=-1 r=

  while [[ -v f[++i] ]] ; do
 (( ++r > threads )) &&
wait -n
gcc -c "${f[i]}" &
  done

On Mon, Mar 11, 2024, 18:16 Mischa Baars <mjbaars1977.backup@gmail.com>
wrote:

> Hello Paul,
>
> It seems I'm awake a little longer than you are.
>
> The second paragraph as you see it, belongs to 1)
> The fourth paragraph as you see it, belongs to 2)
>
> The actual command invocations (a Makefile, a make.sh script) can be found
> in the attachment, as indicated on the first line of the mail. In the
> attachment there are two directories, one and two, belonging to 1) and 2)
> respectively.
>
> I'm not into Vulcan mindmelds, so I hope everything from the first mail
> makes sense to you and everyone on this mailing list now.
>
> Best regards,
> Mischa Baars.
>
> On Mon, Mar 11, 2024 at 5:01 PM Paul Smith <psmith@gnu.org> wrote:
>
> > On Mon, 2024-03-11 at 09:56 +0100, Mischa Baars wrote:
> > > I've attached the problem. It consists of two parts:
> > >
> > > 1) multi-threaded bash script and / or multi-threaded Makefile
> > >
> > > Running bash script functions as expected, but executing the same
> > > line of code with make and / or the command line, does not function.
> > > Perhaps someone could explain to me why?
> > >
> > > 2) passing a string argument from a bash script and / or Makefile to
> > > the gcc -D option
> > >
> > > Running the makefile functions as expected, but I have not been able
> > > to get similar code to work from a bash script. Can someone please
> > > explain to me what I'm doing wrong?
> >
> > I don't understand the problem.  In the third paragraph above you say
> > the bash script works as expected and the makefile doesn't work, but in
> > the last paragraph you say that the makefile works as expected but you
> > can't get it to work in bash.
> >
> > Please provide actual command invocations (cut and pasted) showing the
> > output you received and explaining exactly what is wrong with it.
> >
> > But before you do that, be aware that make does NOT invoke /bin/bash as
> > its shell.  It invokes /bin/sh.  On some systems /bin/sh is actually an
> > alias for bash.  On other systems it isn't.
> >
> > If you want your makefile to always use bash as its shell, you should
> > add an explicit:
> >
> >     SHELL := /bin/bash
> >
> > to your makefile to force it.  Maybe that will solve your problem.  If
> > not we'll need details such as I mention above.
> >
>