diff -uNr apg-2.2.3/install-sh apg-2.2.3.mod/install-sh
--- apg-2.2.3/install-sh	2003-08-07 18:40:30.000000000 +0300
+++ apg-2.2.3.mod/install-sh	2019-01-28 21:07:56.823960998 +0200
@@ -35,9 +35,9 @@
 mvprog="${MVPROG-mv}"
 cpprog="${CPPROG-cp}"
 chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
+chownprog="${CHOWNPROG-true}"
+chgrpprog="${CHGRPPROG-true}"
+stripprog="${STRIPPROG-true}"
 rmprog="${RMPROG-rm}"
 mkdirprog="${MKDIRPROG-mkdir}"