Don't hang for $CPUS=1.

echo prints a newline if it has nothing to print, so wc -l always returns at least 1. Fix: echo -n

diff --git a/scripts/make.sh b/scripts/make.sh
index 23e4a9b..3bd8b4d 100755 (executable)
--- a/scripts/make.sh
+++ b/scripts/make.sh
@@ -199,7 +199,7 @@ do
   while true
   do
     PENDING="$(echo $PENDING $(jobs -rp) | tr ' ' '\n' | sort -u)"
-    [ $(echo "$PENDING" | wc -l) -lt "$CPUS" ] && break;
+    [ $(echo -n "$PENDING" | wc -l) -lt "$CPUS" ] && break;
 
     wait $(echo "$PENDING" | head -n 1) || exit 1
     PENDING="$(echo "$PENDING" | tail -n +2)"