builder: make default for USE_TEEBOTH depend on perl availability

diff --git a/builder.sh b/builder.sh
index f57dab6289043dfb9b669b813457676fef5ce5a5..c83990cd3b506f0f214e292575be68f58f3b4b51 100755 (executable)
--- a/builder.sh
+++ b/builder.sh
@@ -87,7 +87,7 @@ LOGFILE=''
 
 # use teeboth Perl wrapper
 # temporary option to disable if broken
-USE_TEEBOTH=yes
+command -v perl > /dev/null 2>&1 && USE_TEEBOTH=yes || USE_TEEBOTH=no
 
 LOGDIR=""
 LOGDIROK=""