Re: Bootstrap failure using 'make -j4' [Cygwin]

[Angelo Graziosi]

Il 22/05/2010 8.57, Eli Zaretskii ha scritto:
> If you have only 2 cores, then -j4 is not really useful, is it?  You
> will never have more than 2 jobs running at the same time.  I think
> the usual rule of thumb is to use 1.5 times the number of cores as the
> argument to -j.  In your case, that would be -j3.

Just for completeness, whenever I use -j2, -j3, -j4, I find always this 
warning:

[...]
if [ -x ./config.status ]; then           \
            ./config.status;                      \
        else                                      \
            ./configure --enable-maintainer-mode; \
        fi
config.status: creating Makefile
config.status: creating lib-src/Makefile
config.status: creating oldXMenu/Makefile
config.status: creating doc/emacs/Makefile
config.status: creating doc/misc/Makefile
config.status: creating doc/lispintro/Makefile
config.status: creating doc/lispref/Makefile
config.status: creating src/Makefile.c
config.status: creating lwlib/Makefile
config.status: creating lisp/Makefile
config.status: creating leim/Makefile
config.status: creating src/config.h
config.status: executing default commands
creating src/epaths.h
make[1]: Entering directory `/tmp/emacs/build'
make[1]: warning: jobserver unavailable: using -j1.  Add `+' to parent 
make rule.
make[1]: Leaving directory `/tmp/emacs/build'
[...]
=======================

Ciao,
Angelo.