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improve parallel build

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This commit is contained in:
Wolfram Schneider 2018-10-28 09:59:06 +00:00
parent cc355f3534
commit 98bac2b78c
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=52411
1 changed files with 8 additions and 2 deletions
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10
share/mk/doc.project.mk
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@ -113,11 +113,17 @@ DOC_LOCAL_MK= ${DOC_PREFIX}/${LANGCODE}/share/mk/doc.local.mk
# Subdirectory glue.
.include "doc.subdir.mk"
#
# parallel build for target "all" and "clean"
NCPU?= ${.MAKE.JOBS}
#
# by default we are using all available CPUs. You can override
# this on the command line with `make -j<number> p-all' or with the
# variable `make NCPU=<number> p-all'
#
NCPU?= ${.MAKE.JOBS:U${:!/sbin/sysctl -n hw.ncpu!}}
p-all p-clean p-po:
make -V SUBDIR | sed -E 's/[ ]+$$//' | tr " " "\n" | \
sed -E 's/^/make -C /; s/$$/ ${.TARGET:S/^p-//}/' | \
tr '\n' '\0' | xargs -0 -n1 -P${NCPU:S/^$$/8/} /bin/sh -c
tr '\n' '\0' | xargs -0 -n1 -P${NCPU} /bin/sh -c