CVSROOT:        /cvs
Module name:    ports
Changes by:     st...@cvs.openbsd.org   2019/12/05 14:18:08

Modified files:
        infrastructure/mk: bsd.port.mk README.internals 
        editors/libreoffice: Makefile 
        devel/jdk/1.8  : Makefile 
        devel/jdk/11   : Makefile 

Log message:
Treat DPB_PROPERTIES=parallel as a hint that a port is parallel-safe
for use in regular builds too; if that is present in a port, use
${PARALLEL_MAKE_JOBS} jobs in the build, defaulting to hw.ncpuonline.

Adjust PARALLEL_BUILD=No, this originally seemed intended to be a hint
that a port could NOT handle a parallel build, but current usage is
"don't pass make -jXX because this port has its own way to handle things",
instead change this to a slightly more understandable PARALLEL_MAKE_FLAGS
variable. This defaults to -j${PARALLEL_MAKE_JOBS} but can be reset for
build system requirements as needed (java/libreoffice have their own
mechanism) and is added automatically to MAKE_FLAGS where a build uses
>1 concurrent job.

Based on a diff from / ok espie@ - the default value may want revising
as hw.ncpuonline jobs will be too many in some cases (e.g. machines with
many cores or low RAM), but committing at this stage to avoid further
out-of-tree bikeshedding. If you need to restrict to a lower number of
jobs, set e.g. PARALLEL_MAKE_JOBS=2 in /etc/mk.conf, and please provide
feedback.

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