Look in /usr/ucb first for install.

src/configure

@@ -1036,7 +1036,7 @@ else
   ;;
   *)
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
-  for ac_dir in $PATH$ac_dummy; do
+  for ac_dir in /usr/ucb:$PATH$ac_dummy; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
       ac_cv_path_INSTALL="$ac_dir/$ac_word"

src/configure.in

@@ -259,7 +259,7 @@ dnl AC_SUBST(HAVECXX)
 dnl ****************************************************************
 HAVECXX='HAVE_Cplusplus=false'
 AC_SUBST(HAVECXX)
-AC_PATH_PROGS(INSTALL, ginstall installbsd bsdinst scoinst install, NONE, $PATH)
+AC_PATH_PROGS(INSTALL, ginstall installbsd bsdinst scoinst install, NONE, /usr/ucb:$PATH)
 if test $INSTALL = "NONE"
 then
    echo "- No Install Script found - aborting."