Re: get-gauche.sh shouldn't use make -j without options

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Is nproc enough to prevent disruption?  (I mean, should it be less than
nproc to keep a few cores for other processes?  I'm usually not bothered by
this so I don't know.)



On Mon, May 4, 2026 at 10:45=E2=80=AFPM Jens Thiele <[email protected]> wrote:

> Hi,
>
> at least gnu make doesn't limit the parallelism if one uses -j without
> options. =3D> you get very high system load building gauche and the music
> sometimes stops playing ;-)
>
> Something like this helps here, but I didn't look into portability.
>
> diff --git a/get-gauche.sh b/get-gauche.sh
> index f46e5c9..445635e 100755
> --- a/get-gauche.sh
> +++ b/get-gauche.sh
> @@ -418,7 +418,7 @@ function do_install {
>              ./configure "--prefix=3D$prefix" $configure_args
>              MAKE=3Dmake
>              if hash gmake 2>/dev/null; then MAKE=3Dgmake; fi
> -            $MAKE -j
> +            $MAKE -j $(nproc)
>              if [ "$skip_tests" !=3D yes ]; then
>                 $MAKE -s check
>              fi
>
>
>
> _______________________________________________
> Gauche-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/gauche-devel
>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:large">Is =
nproc enough=C2=A0to prevent disruption?=C2=A0 (I mean, should it be less t=
han nproc to keep a few cores for other processes?=C2=A0 I&#39;m usually no=
t bothered by this so I don&#39;t know.)</div><div class=3D"gmail_default" =
style=3D"font-size:large"><br></div><div class=3D"gmail_default" style=3D"f=
ont-size:large"><br></div></div><br><div class=3D"gmail_quote gmail_quote_c=
ontainer"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, May 4, 2026 at 10:4=
5=E2=80=AFPM Jens Thiele &lt;<a href=3D"mailto:[email protected]">karme@karme.=
de</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margi=
n:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex=
">Hi,<br>
<br>
at least gnu make doesn&#39;t limit the parallelism if one uses -j without<=
br>
options. =3D&gt; you get very high system load building gauche and the musi=
c<br>
sometimes stops playing ;-)<br>
<br>
Something like this helps here, but I didn&#39;t look into portability.<br>
<br>
diff --git a/get-gauche.sh b/get-gauche.sh<br>
index f46e5c9..445635e 100755<br>
--- a/get-gauche.sh<br>
+++ b/get-gauche.sh<br>
@@ -418,7 +418,7 @@ function do_install {<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0./configure &quot;--prefix=
=3D$prefix&quot; $configure_args<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0MAKE=3Dmake<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0if hash gmake 2&gt;/dev/nul=
l; then MAKE=3Dgmake; fi<br>
-=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 $MAKE -j<br>
+=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 $MAKE -j $(nproc)<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0if [ &quot;$skip_tests&quot=
; !=3D yes ]; then<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 $MAKE -s check<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0fi<br>
<br>
<br>
<br>
_______________________________________________<br>
Gauche-devel mailing list<br>
<a href=3D"mailto:[email protected]" target=3D"_blank">Gau=
[email protected]</a><br>
<a href=3D"https://lists.sourceforge.net/lists/listinfo/gauche-devel" rel=
=3D"noreferrer" target=3D"_blank">https://lists.sourceforge.net/lists/listi=
nfo/gauche-devel</a><br>
</blockquote></div>

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