Does the end user care about this distinction? "make -jN" uses N cores/processes to make whatever it is you're making. Building in parallel should be standard and encouraged, not buried in some environment variable.
On Thu, Jan 2, 2014 at 4:44 PM, P Purkayastha <ppu...@gmail.com> wrote: > It should not be enabled in the top-level make, in my opinion. Typically, > "make -jN" makes parallel compiles within the same package (if the package > supports it). The parallel build in sage compiles different packages in > parallel, but each package still compiles as -j1. > > > > On 01/03/2014 02:48 AM, Robert Bradshaw wrote: >> >> How hard would it be to let "make -jN" actually work from the top-level >> make? >> >> On Tue, Dec 31, 2013 at 4:57 PM, Joseph P. Skudlarek <jsku...@gmail.com> >> wrote: >>> >>> This is a request to update the README.txt file used when building from >>> sources -- the README.txt buries the fact that "-jN" in "make -jN" is >>> effectively ignored -- but it does make claar, in the details below, >>> that you need <<export MAKE="make -jN">>. >>> >>> Since ignoring -jN is non-standard, and since it's important to avoid >>> surprises when building in parallel, I suggest changing README.txt (at >>> the top level of the source tree downloaded as sage-6.0.tar.gz) as >>> follows. >>> >>> replace >>> >>> 3. cd into the Sage directory and type make: >>> >>> cd sage-*/ >>> make >>> >>> That's it! Everything is automatic and non-interactive. The build >>> should work fine on all fully supported platforms. If it does >>> not, we >>> want to know! >>> >>> with >>> >>> 3. cd into the Sage directory and type make: >>> >>> cd sage-*/ >>> make >>> >>> That's it! Everything is automatic and non-interactive. The build >>> should work fine on all fully supported platforms. If it does >>> not, we >>> want to know! If you want to build in parallel, see below. >>> >>> [] >>> >>> Thanks. /J >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "sage-support" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to sage-support+unsubscr...@googlegroups.com. >>> To post to this group, send email to sage-support@googlegroups.com. >>> Visit this group at http://groups.google.com/group/sage-support. >>> For more options, visit https://groups.google.com/groups/opt_out. >> >> > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
