prefix= @prefix@
exec_prefix= @exec_prefix@
-bin_dir= $(exec_prefix)/bin
-lib_dir= $(exec_prefix)/lib
-include_dir= $(prefix)/include
+bin_dir= @bindir@
+lib_dir= @libdir@
+include_dir= @includedir@
AC_INSTALL= @INSTALL@
ifeq ($(AC_INSTALL),./install-sh -c)