Implement workaround for a parallel doc build

$ make p-all

It works for the sub-directories in a given directory.

On a standard quad core machine the build time goes down
from ca. 20min to 5 minutes.

PR: 222322
This commit is contained in:
Wolfram Schneider 2017-09-19 10:03:26 +00:00
parent 0b4df7438b
commit 5472c07a33
Notes: svn2git 2020-12-08 03:00:23 +00:00
svn path=/head/; revision=50880

View file

@ -104,3 +104,9 @@ DOC_LOCAL_MK= ${DOC_PREFIX}/${LANGCODE}/share/mk/doc.local.mk
# Subdirectory glue.
.include "doc.subdir.mk"
# parallel build for target "all"
NCPU?= 8
p-all:
make -V SUBDIR | sed -E 's/[ ]+$$//' | tr " " "\n" | sed -E 's/^/make -C /' | tr '\n' '\0' | xargs -0 -n1 -P${NCPU} /bin/sh -c