> Date: Sat, 15 Dec 2012 19:08:06 +0400
> From: "Dmitry V. Levin"
>
> gnulib has a nproc module that can "detect the number of processors":
> http://git.savannah.gnu.org/cgit/gnulib.git/tree/modules/nproc
> Judging from the number of #if's in its implementation it must be quite
> portable. :)
Bu
> From: Paul Smith
> Cc: warner.w...@hp.com, Bug-make@gnu.org
> Date: Sat, 15 Dec 2012 09:35:18 -0500
>
> On Fri, 2012-12-14 at 17:07 +0200, Eli Zaretskii wrote:
> > Does it even make sense to use -j with no arguments? Should we
> > perhaps remove that possibility, or have some internal sane lim
On Sat, Dec 15, 2012 at 09:35:18AM -0500, Paul Smith wrote:
> On Fri, 2012-12-14 at 17:07 +0200, Eli Zaretskii wrote:
> > Does it even make sense to use -j with no arguments? Should we
> > perhaps remove that possibility, or have some internal sane limit,
> > like twice the number of cores, say?
>
On Fri, 2012-12-14 at 17:07 +0200, Eli Zaretskii wrote:
> Does it even make sense to use -j with no arguments? Should we
> perhaps remove that possibility, or have some internal sane limit,
> like twice the number of cores, say?
In general I'd say no, the current behavior is not ideal. However I
> Date: Fri, 14 Dec 2012 20:37:54 +0400
> From: "Dmitry V. Levin"
>
> > > make: More parallel jobs (-jN) than this platform can handle
> > > requested.
> > > make: Resetting to single job (-j1) mode.
> >
> > I see no message like this in the current Make sources. Maybe I'm
> > missing
On Fri, Dec 14, 2012 at 05:50:17PM +0200, Eli Zaretskii wrote:
> > From: "Wang, Warner"
> > CC: "Bug-make@gnu.org"
> > Date: Fri, 14 Dec 2012 15:42:04 +
> >
> > btw there is an internal limit, which is 4096 jobs, either on my mainframe
> > or PC. If I use "-j 4097" it will complain:
> >
> From: "Wang, Warner"
> CC: "Bug-make@gnu.org"
> Date: Fri, 14 Dec 2012 15:42:04 +
>
> btw there is an internal limit, which is 4096 jobs, either on my mainframe or
> PC. If I use "-j 4097" it will complain:
> [root@lion linux-3.3.0-0.20.el7]# make -j 4097
> make: More parallel jo
ssage-
From: Eli Zaretskii [mailto:e...@gnu.org]
Sent: 2012年12月14日 PM 11:07
To: psm...@gnu.org
Cc: Wang, Warner; Bug-make@gnu.org
Subject: Re: need help on "make -j" parameter, it will let the system hung
easily.
> From: Paul Smith
> Date: Fri, 14 Dec 2012 09:59:31 -0500
> From: Paul Smith
> Date: Fri, 14 Dec 2012 09:59:31 -0500
> Cc: "Bug-make@gnu.org"
>
> This basically says that if you use "-j" with no arguments, make will
> run as many jobs as the _makefile_ allows (defined by your prerequisite
> rules). It pays no attention to the limits of your system.
>
On Fri, 2012-12-14 at 12:45 +, Wang, Warner wrote:
> Hello everyone, make experts,
>
> when I use "make -j" (without specifying a number after it) to compile
> Linux kernel, it will always make my machine hung, get no response at
> all and the kernel's watchdog (khungtaskd) will complain beca
help-make might be an appropriate mailing list to send this request to.
Googling for a make tutorial might turn up something useful. There's always
the make manual, which contains a fairly simple example:
http://www.gnu.org/software/make/manual/make.html#Simple-Makefile
You might, however, be
This is a problem with your code or invocation of your compiler.
This mailing list is for help with GNU make; this problem is not related
to make itself or how to write makefiles, so we can't help you.
You should find a list that deals with your compiler, or else examine
the documentation or ask
> Date: Tue, 9 May 2000 10:18:19 -0400 (EDT)
> From: "Paul D. Smith" <[EMAIL PROTECTED]>
>
> BTW, while Eli Zaretskii is still providing excellent support for the
> DOS port of GNU make, it would be great if we had a few more pretesters
> for this port, as well.
I second this. (By "the DOS port
Paul,
Thanks for your comments. I believe that
someone could devote more time than I have and do
a lot of good things to improve the WIN32 story for GNU make.
I have certainly enjoyed working on the tool. I hope
someone else will seize the challenge. I am glad to
facilitate the transition as wel
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