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Makefile support for using NPROCS as an env var

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Campbell Barton 2015-06-14 08:26:33 +10:00
parent a2d4c26aa2
commit 424e5be046
1 changed files with 14 additions and 12 deletions
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26
GNUmakefile
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@ -81,18 +81,20 @@ endif
# ----------------------------------------------------------------------------- # -----------------------------------------------------------------------------
# Get the number of cores for threaded build # Get the number of cores for threaded build
NPROCS:=1 ifndef NPROCS
ifeq ($(OS), Linux) NPROCS:=1
NPROCS:=$(shell nproc) ifeq ($(OS), Linux)
endif NPROCS:=$(shell nproc)
ifeq ($(OS), Darwin) endif
NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f3) ifeq ($(OS), Darwin)
endif NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f3)
ifeq ($(OS), FreeBSD) endif
NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 ) ifeq ($(OS), FreeBSD)
endif NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 )
ifeq ($(OS), NetBSD) endif
NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 ) ifeq ($(OS), NetBSD)
NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 )
endif
endif endif