NetBSD: Add support for retrieving the number of available CPUs

$ uname
NetBSD
$ getconf NPROCESSORS_ONLN
2
$ getconf _NPROCESSORS_ONLN
getconf: _NPROCESSORS_ONLN: unknown variable

1 files changed, 2 insertions, 0 deletions

diff --git a/build.sh b/build.sh
index 743a2a684..7910e2783 100755
--- a/build.sh
+++ b/build.sh
@@ -220,6 +220,8 @@ build_native_corert()
     # processors available to a single process.
     if [ `uname` = "FreeBSD" ]; then
         NumProc=`sysctl hw.ncpu | awk '{ print $2+1 }'`
+    elif [ `uname` = "NetBSD" ]; then
+        NumProc=$(($(getconf NPROCESSORS_ONLN)+1))
     else
         NumProc=$(($(getconf _NPROCESSORS_ONLN)+1))
     fi