$NetBSD: patch-CMakeLists.txt,v 1.1 2022/05/28 20:46:44 leot Exp $

Use CMAKE_INSTALL_MANDIR instead of assuming man.

--- CMakeLists.txt.orig	2018-03-19 21:48:55.000000000 +0000
+++ CMakeLists.txt
@@ -27,7 +27,7 @@ add_custom_command(
     COMMENT "Building manpage ${MAN_TGT}"
     VERBATIM)
 add_custom_target(man ALL DEPENDS ${MAN_TGT})
-install(FILES ${MAN_TGT} DESTINATION ${CMAKE_INSTALL_PREFIX}/man/man8)
+install(FILES ${MAN_TGT} DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_MANDIR}/man8)
 
 # Packaging for RPM or DEB
 find_program(rpmbuild_path "rpmbuild" FALSE)