Use @DRIVER_MAN_SUFFIX@ instead of $(DRIVER_MAN_SUFFIX) in macro
-rw-r--r-- 1167 Makefile.am
-rwxr-xr-x 195 autogen.sh
-rw-r--r-- 2921 configure.ac
drwxr-xr-x - man
drwxr-xr-x - src