+# MINGW_AC_SET_DLLVERSION( TAG, IMPLIB, DLLVERSION )
+# --------------------------------------------------
+# Create a configuration time substitution for MAP_[TAG]_A_DLLVERSION,
+# such that it will define a target specific makefile variable assignment
+# for target IMPLIB, with specified value assigned to DLLVERSION.
+#
+AC_DEFUN([MINGW_AC_SET_DLLVERSION],dnl
+[AC_SUBST([MAP_][$1][_A_DLLVERSION],['$2: DLLVERSION = "$3"'])dnl
+])
+