From: luo rixin <luorixin@huawei.com>
Date: Wed, 23 Dec 2020 08:37:12 +0000 (+0800)
Subject: do_cmake: add a default value to BOOST_J
X-Git-Tag: v16.1.0~139^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F38699%2Fhead;p=ceph.git

do_cmake: add a default value to BOOST_J

Signed-off-by: luo rixin <luorixin@huawei.com>
---

diff --git a/do_cmake.sh b/do_cmake.sh
index d70aff860107..345986d630c7 100755
--- a/do_cmake.sh
+++ b/do_cmake.sh
@@ -53,6 +53,11 @@ if type ccache > /dev/null 2>&1 ; then
     ARGS+=" -DWITH_CCACHE=ON"
 fi
 
+if [[ ! "$ARGS $@" =~ "-DBOOST_J" ]] ; then
+    ncpu=$(getconf _NPROCESSORS_ONLN 2>&1)
+    [ -n "$ncpu" -a "$ncpu" -gt 1 ] && ARGS+=" -DBOOST_J=$(expr $ncpu / 2)"
+fi
+
 mkdir $BUILD_DIR
 cd $BUILD_DIR
 if type cmake3 > /dev/null 2>&1 ; then