commit 9bb73ade0bb019c0819052d27c34959ec55dbe02
author Rob Landley <rob@landley.net> Thu Sep 04 00:23:51 2014 -0500
committer Rob Landley <rob@landley.net> Thu Sep 04 00:23:51 2014 -0500
tree c42b52f2afb5e9a32aa539ded5b6f70cbe387e2d
parent 01e6a73bf9506803bd1725726177f55e58498dba

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

scripts/make.sh

diff --git a/scripts/make.sh b/scripts/make.sh
index 23e4a9b..3bd8b4d 100755
--- a/scripts/make.sh
+++ b/scripts/make.sh
@@ -199,7 +199,7 @@
   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)"