From 7153d8134a795b8026ca27863a063086301273ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
Date: Wed, 2 Aug 2017 14:45:36 +0200
Subject: [PATCH] build: dynamically choose number of jobs

---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 0a0d313..010619a 100644
--- a/Makefile
+++ b/Makefile
@@ -16,6 +16,7 @@ PACKAGE=pve-kernel-${KVNAME}
 HDRPACKAGE=pve-headers-${KVNAME}
 
 ARCH=$(shell dpkg-architecture -qDEB_BUILD_ARCH)
+NPROCS=$(shell nproc)
 
 # amd64/x86_64/x86 share the arch subdirectory in the kernel, 'x86' so we need
 # a mapping
@@ -222,7 +223,7 @@ PVE_CONFIG_OPTS= \
 	cp ${KERNEL_CFG_ORG} ${KERNEL_SRC}/.config
 	cd ${KERNEL_SRC}; ./scripts/config ${PVE_CONFIG_OPTS}
 	cd ${KERNEL_SRC}; make oldconfig
-	cd ${KERNEL_SRC}; make KBUILD_BUILD_VERSION_TIMESTAMP="PVE ${KERNEL_VER}-${PKGREL} ($(CHANGELOG_DATE))" -j 8
+	cd ${KERNEL_SRC}; make KBUILD_BUILD_VERSION_TIMESTAMP="PVE ${KERNEL_VER}-${PKGREL} (${CHANGELOG_DATE})" -j ${NPROCS}
 	make -C ${KERNEL_SRC}/tools/perf prefix=/usr HAVE_CPLUS_DEMANGLE=1 NO_LIBPYTHON=1 NO_LIBPERL=1 NO_LIBCRYPTO=1 PYTHON=python2.7
 	make -C ${KERNEL_SRC}/tools/perf man
 	touch $@