FS-6267 I was able to replicate this issue, I've tweaked this to prevent -n

build/modcheck.sh

@@ -2,30 +2,22 @@
 
 PATH=$PATH:/bin:/usr/bin
 mods=$1
+on=''
+off=''
 
 if [ -z $mods ] ; then
     mods="/usr/local/freeswitch/mod"
 fi
 
-
 echo "Checking module integrity in target [$mods]"
 echo
 
-
 here=`pwd`
 
 cd $mods
 files=`ls *.dylib *.so 2>/dev/null`
 cd $here
 
-alert() {
-    on=''
-    off=''
-    echo -n $on
-    echo WARNING: $1
-    echo -n $off
-}
-
 for i in $files ; do
     mod=${i%%.*}
 
@@ -33,9 +25,9 @@ for i in $files ; do
     commented=`grep ^\#.*$mod\$ ../modules.conf`
 
     if [ -z "$infile" ] ; then
-	alert "installed module: $i was not installed by this build.  It is not present in modules.conf."
+	echo "${on}WARNING: installed module: $i was not installed by this build.  It is not present in modules.conf.${off}"
     elif [ -n "$commented" ] ; then
-	alert "installed module: $i was not installed by this build.  It is commented from modules.conf. [$commented]"
+	echo "${on}WARNING: installed module: $i was not installed by this build.  It is commented from modules.conf. [$commented]${off}"
     fi
 
 done