diff --git a/tools/niminst/buildsh.tmpl b/tools/niminst/buildsh.tmpl
index 463a1ad52..0037a0a20 100644
--- a/tools/niminst/buildsh.tmpl
+++ b/tools/niminst/buildsh.tmpl
@@ -31,6 +31,7 @@ CC="gcc"
 LINKER="gcc"
 COMP_FLAGS="?{c.ccompiler.flags}$extraBuildArgs"
 LINK_FLAGS="?{c.linker.flags}"
+PS4=""
 #  add(result, "# platform detection\n")
 ucpu=`uname -m`
 uos=`uname`
@@ -131,14 +132,13 @@ case $myos in
   case $mycpu in
 #    for cpuA in 1..c.cpus.len:
   ?{c.cpus[cpuA-1]})
+    set -x
 #      var linkCmd = ""
 #      for ff in items(c.cfiles[osA][cpuA]):
 #        let f = ff.toUnix
-    echo "$CC $COMP_FLAGS -Ic_code -c ?{f} -o ?{changeFileExt(f, "o")}"
     $CC $COMP_FLAGS -Ic_code -c ?{f} -o ?{changeFileExt(f, "o")}
 #        add(linkCmd, " \\\n" & changeFileExt(f, "o"))
 #      end for
-    echo "$LINKER -o ?{"$binDir/" & toLower(c.name)} ?linkCmd $LINK_FLAGS"
     $LINKER -o ?{"$binDir/" & toLower(c.name)} ?linkCmd $LINK_FLAGS
     ;;
 #    end for
@@ -155,4 +155,4 @@ case $myos in
   ;;
 esac
 
-echo "SUCCESS"
+: SUCCESS