--- bin/cygport.in	2006-12-09 01:38:31.031250000 -0500
+++ bin/cygport.in	2006-12-17 21:05:06.529951800 -0500
@@ -1130,8 +1130,21 @@
 	cyginstall
 }
 
+# provides a hook for cygclasses/cygports to take action 
+# *before* built-in preinstall steps.
+src_install_init_hook() {
+	:
+}
+
+# provides a hook for cygclasses/cygports to take action 
+# *after* built-in postinstall steps.
+src_install_fini_hook() {
+	:
+}
+
 # protect functions
 export -f dodir docinto exeinto insinto
+export -f src_install_init_hook src_install_fini_hook
 readonly -f dodir docinto exeinto insinto __prepinstalldirs cyginstall
 
 
@@ -1917,7 +1930,7 @@
 			;;
 		inst*)
 			__stage Installing;
-			(__prepinstalldirs && src_install && src_postinst) 2>&1 | tee ${installlog};
+			(src_install_init_hook && __prepinstalldirs && src_install && src_postinst && src_install_fini_hook) 2>&1 | tee ${installlog};
 			_status=$?;
 			;;
 		list)