ttcn3.sh: use nproc for JOBS

Change-Id: I1971e7758e67a4260ae1398d510cb719db45d101
---
M ttcn3/ttcn3.sh
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/ttcn3/ttcn3.sh b/ttcn3/ttcn3.sh
index 5c5f711..54b4328 100755
--- a/ttcn3/ttcn3.sh
+++ b/ttcn3/ttcn3.sh
@@ -5,7 +5,7 @@
 DIR_MAKE="${DIR_MAKE:-${DIR_OSMODEV}/ttcn3/make}"
 DIR_OUTPUT="${DIR_OUTPUT:-${DIR_OSMODEV}/ttcn3/out}"
 DIR_USR_LOCAL="$DIR_OSMODEV/ttcn3/usr_local"
-JOBS="${JOBS:-9}"
+JOBS="$(nproc)"
 
 # Osmocom libraries and programs relevant for the current testsuite will be
 # built in this container. It must have all build dependencies available and

