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authorKlement Sekera <ksekera@cisco.com>2018-03-21 17:44:20 +0100
committerDave Wallace <dwallacelf@gmail.com>2018-03-24 15:19:07 +0000
commit8432e6e6f702ef707bb379c59cc9eed7764d9dfe (patch)
tree648b0948c2c3e1c72e8d0c9ae6dc74ec94e0cb56
parent9b6ece79521a4628fc4116378862db1bdb77be49 (diff)
allow specifying number of concurrent jobs
If defined, Use MAKE_PARALLEL_JOBS as number of concurrent jobs for build process instead of the internal calculation based on /proc/cpuinfo. Change-Id: I18d1f526dc5c156c1cd9c9cf6dbbfd9cb8dbbad7 Signed-off-by: Klement Sekera <ksekera@cisco.com>
-rw-r--r--build-root/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/build-root/Makefile b/build-root/Makefile
index 9d8cffd69df..a3335236c04 100644
--- a/build-root/Makefile
+++ b/build-root/Makefile
@@ -648,8 +648,12 @@ configure_check_timestamp = \
# we assume there's 1 processor; we use 2*ncpu for the -j option.
# NB: GNU Make 4.2 will let us use '$(file </proc/cpuinfo)' to both test
# for file presence and content; for now this will have to do.
+ifndef MAKE_PARALLEL_JOBS
MAKE_PARALLEL_JOBS = -j $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo), \
$(shell grep -c ^processor /proc/cpuinfo), 2)
+else
+MAKE_PARALLEL_JOBS := -j $(MAKE_PARALLEL_JOBS)
+endif
MAKE_PARALLEL_FLAGS ?= $(if $($(PACKAGE)_make_parallel_fails),,$(MAKE_PARALLEL_JOBS))
# Make command shorthand for packages & tools.