[Bf-blender-cvs] [424e5be] master: Makefile support for using NPROCS as an env var

[Campbell Barton]

Commit: 424e5be0467aad70bf249ca24b566f8a2d4e8c56
Author: Campbell Barton
Date:   Sun Jun 14 08:26:33 2015 +1000
Branches: master
https://developer.blender.org/rB424e5be0467aad70bf249ca24b566f8a2d4e8c56

Makefile support for using NPROCS as an env var

===================================================================

M	GNUmakefile

===================================================================

diff --git a/GNUmakefile b/GNUmakefile
index 80366af..d37d810 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -81,18 +81,20 @@ endif
 
 # -----------------------------------------------------------------------------
 # Get the number of cores for threaded build
-NPROCS:=1
-ifeq ($(OS), Linux)
-	NPROCS:=$(shell nproc)
-endif
-ifeq ($(OS), Darwin)
-	NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f3)
-endif
-ifeq ($(OS), FreeBSD)
-	NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 )
-endif
-ifeq ($(OS), NetBSD)
-	NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 )
+ifndef NPROCS
+	NPROCS:=1
+	ifeq ($(OS), Linux)
+		NPROCS:=$(shell nproc)
+	endif
+	ifeq ($(OS), Darwin)
+		NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f3)
+	endif
+	ifeq ($(OS), FreeBSD)
+		NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 )
+	endif
+	ifeq ($(OS), NetBSD)
+		NPROCS:=$(shell sysctl -a | grep "hw.ncpu" | cut -d" " -f2 )
+	endif
 endif