--- a/aclocal.in
+++ b/aclocal.in
@@ -33,5 +33,5 @@
 $prefix = "@prefix@";
 # Note that this isn't pkgdatadir, but a separate directory.
-$acdir = "@datadir@/aclocal";
+$acdir = "@datadir@/aclocal-1.5";
 
 # Some globals.
@@ -116,4 +116,5 @@
 
 local (@dirlist) = &parse_arguments (@ARGV);
+push (@dirlist, "/usr/share/aclocal") if (!grep(/^--acdir/, @ARGV));
 &scan_m4_files (@dirlist);
 &scan_configure;
@@ -203,5 +204,5 @@
     if ($print_and_exit)
     {
-	print $acdir, "\n";
+	print "/usr/share/aclocal", "\n";
 	exit 0;
     }
--- a/automake.in
+++ b/automake.in
@@ -32,7 +32,7 @@
 BEGIN
 {
   my $prefix = "@prefix@";
-  my $perllibdir = $ENV{'perllibdir'} || "@datadir@/@PACKAGE@";
+  my $perllibdir = $ENV{'perllibdir'} || "@datadir@/@PACKAGE@-1.5";
   unshift @INC, "$perllibdir";
 }
 
@@ -127,7 +127,7 @@
 my $VERSION = "@VERSION@";
 my $PACKAGE = "@PACKAGE@";
 my $prefix = "@prefix@";
-my $libdir = "@datadir@/@PACKAGE@";
+my $libdir = "@datadir@/@PACKAGE@-1.5";
 
 # String constants.
 my $IGNORE_PATTERN = '^\s*##([^#\n].*)?\n';