--- configure.ac.orig	Thu Mar 16 22:26:39 2006
+++ configure.ac	Thu Mar 16 22:28:31 2006
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT([Box Backup], 0.09, [box@fluffy.co.uk])
+AC_INIT([Box Backup], 0.10, [box@fluffy.co.uk])
 AC_CONFIG_SRCDIR([lib/common/Box.h])
 AC_CONFIG_HEADERS([lib/common/BoxConfig.h])
 
@@ -26,6 +26,12 @@
   # Use -rdynamic if we have gcc. This is needed for backtrace
   AC_SUBST([LDADD_RDYNAMIC], ['-rdynamic'])
 fi
+AC_PATH_PROG([PERL], [perl], [no])
+if test "x$PERL" != "xno"; then
+  AC_DEFINE_UNQUOTED([PERL_EXECUTABLE], ["$PERL"], [Location of the perl executable])
+else
+  AC_MSG_ERROR([[perl executable was not found]])
+fi
 
 
 ### Checks for libraries.
@@ -208,8 +214,8 @@
 
 # Configure the Box build system
 echo
-perl ./infrastructure/makebuildenv.pl &&
-  perl ./infrastructure/makeparcels.pl
+$PERL ./infrastructure/makebuildenv.pl &&
+  $PERL ./infrastructure/makeparcels.pl
 
 # Write summary of important info
 cat <<EOC