scott@paddickspatch:~/Downloads/ZoneMinder-1.26.5$ ls -l
total 212
-rw-rw-r--  1 scott scott  1911 Dec 16 15:42 acinclude.m4
-rw-rw-r--  1 scott scott   471 Dec 16 15:42 AUTHORS
-rwxr-xr-x  1 scott scott    63 Dec 16 15:42 bootstrap.sh
-rw-rw-r--  1 scott scott    70 Dec 16 15:42 BUGS
-rw-rw-r--  1 scott scott    91 Dec 16 15:42 ChangeLog
drwxrwxr-x  3 scott scott  4096 Dec 16 15:42 cmake
-rwxr-xr-x  1 scott scott  2853 Dec 16 15:42 cmakecacheimport.sh
-rw-rw-r--  1 scott scott 22636 Dec 16 15:42 CMakeLists.txt
-rw-rw-r--  1 scott scott 19180 Dec 16 15:42 configure.ac
-rw-rw-r--  1 scott scott 17992 Dec 16 15:42 COPYING
drwxrwxr-x  2 scott scott  4096 Dec 16 15:42 db
-rw-rw-r--  1 scott scott    77 Dec 16 15:42 description-pak
drwxrwxr-x  6 scott scott  4096 Dec 16 15:42 distros
drwxrwxr-x  2 scott scott  4096 Dec 16 15:42 doc-pak
-rw-rw-r--  1 scott scott  9933 Dec 16 15:42 INSTALL
-rw-rw-r--  1 scott scott 17992 Dec 16 15:42 LICENSE
-rw-rw-r--  1 scott scott  1238 Dec 16 15:42 Makefile.am
drwxrwxr-x  2 scott scott  4096 Dec 16 15:42 misc
-rw-rw-r--  1 scott scott    24 Dec 16 15:42 NEWS
-rw-rw-r--  1 scott scott  6369 Dec 16 15:42 README.md
drwxrwxr-x  3 scott scott  4096 Dec 16 15:42 scripts
drwxrwxr-x  2 scott scott  4096 Dec 16 15:42 src
-rw-rw-r--  1 scott scott    28 Dec 16 15:42 TODO
drwxrwxr-x  2 scott scott  4096 Dec 16 15:42 umutils
-rw-rw-r--  1 scott scott     7 Dec 16 15:42 version
drwxrwxr-x 12 scott scott  4096 Dec 16 15:42 web
-rw-r--r--  1 root  root    711 Dec 21 18:02 zm_conf.cmake
-rw-rw-r--  1 scott scott  6037 Dec 16 15:42 zmconfgen.pl.in
-rw-rw-r--  1 scott scott  1269 Dec 16 15:42 zm.conf.in
-rwxr-xr-x  1 scott scott  6621 Dec 16 15:42 zmlinkcontent.sh.in
-rw-rw-r--  1 scott scott  1948 Dec 16 15:42 zoneminder-config.cmake
scott@paddickspatch:~/Downloads/ZoneMinder-1.26.5$ sudo cmake -C zm_conf.cmake
loading initial cache file zm_conf.cmake
CMake Error: The source directory "/home/scott/Downloads/ZoneMinder-1.26.5/zm_conf.cmake" is a file, not a directory.
Specify --help for usage, or press the help button on the CMake GUI.
scott@paddickspatch:~/Downloads/ZoneMinder-1.26.5$