--- a/toolsandutils/buildsystem/shell/cmd.mk	Wed Jun 23 15:48:26 2010 +0100
+++ b/toolsandutils/buildsystem/shell/cmd.mk	Fri Jun 25 18:24:47 2010 +0100
@@ -132,5 +132,16 @@
 1
 endef
 
+# Macro to execute a command if a file exists.
+define ifexistf
+if exist $(1) $(2)
+endef
+
+# Macro ensure path delimiters are the right sort.
+define normalise_path
+$(subst /,\,$(1))
+endef
+
+
 # Configuration needs to be returned as upper case for abld
 CONFIGURATION:=REL