jenkins.sh: disable parallel build
Avoid a race condition that causes the build to fail on Jenkins with:
asn1p_y.y: In function 'asn1p_parse':
asn1p_y.y:357:13: error: 'param' undeclared (first use in this function)
*(void **)param = $1;
^~~~~
Change-Id: Ib853a93bffc4cd78d4f08624fb1e56772ce68ce5
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index 7d68736..dbdfda6 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -14,7 +14,10 @@
autoreconf --install --force
./configure --enable-werror
-$MAKE $PARALLEL_MAKE
+
+# Parallel make is disabled due to a race condition. On Jenkins, it often
+# aborts the build with: "asn1p_y.y:357:13: error: 'param' undeclared"
+$MAKE -j1
$MAKE distcheck \
|| cat-testlogs.sh