Why the magic number 12? Sent from my iPhone
On Jul 7, 2013, at 1:39 PM, Alfred Perlstein <alf...@freebsd.org> wrote: > Author: alfred > Date: Sun Jul 7 20:39:11 2013 > New Revision: 253002 > URL: http://svnweb.freebsd.org/changeset/base/253002 > > Log: > Document tip on how to build all kernels quickly. > > Modified: > head/Makefile > > Modified: head/Makefile > ============================================================================== > --- head/Makefile Sun Jul 7 19:58:14 2013 (r253001) > +++ head/Makefile Sun Jul 7 20:39:11 2013 (r253002) > @@ -32,6 +32,12 @@ > # targets - Print a list of supported TARGET/TARGET_ARCH pairs > # for world and kernel targets. > # toolchains - Build a toolchain for all world and kernel targets. > +# > +# "quick" way to test all kernel builds: > +# _jflag=`sysctl -n hw.ncpu` > +# _jflag=$(($_jflag * 2)) > +# [ $_jflag -gt 12 ] && _jflag=12 > +# make universe -DMAKE_JUST_KERNELS JFLAG=${jflag} > # > # This makefile is simple by design. The FreeBSD make automatically reads > # the /usr/share/mk/sys.mk unless the -m argument is specified on the > _______________________________________________ > svn-src-head@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/svn-src-head > To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org" _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
