--- /dev/null
+BEGIN {
+print "/*"
+print " * version.h"
+print " * controllong build version number"
+print " *"
+print " * Created automatically with version.awk script"
+print " *"
+print " */"
+print ""
+print "#ifndef __VERSION_H__"
+print "#define __VERSION_H__"
+print ""
+
+FS="[ \t.]"
+}
+
+/Revision/ { printf "#define SDCC_BUILD_NUMBER\t\"%s\"\n", $3 }
+
+END {
+print ""
+print "#ifndef SDCC_BUILD_NUMBER"
+print "#define SDCC_BUILD_NUMBER \"0\""
+print "#endif"
+print ""
+print "#endif"
+}