Index: man/CMakeLists.txt
--- man/CMakeLists.txt.orig
+++ man/CMakeLists.txt
@@ -6,4 +6,4 @@ install(FILES
   man1/gie.1
   man1/projinfo.1
   man1/projsync.1
-  DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
+  DESTINATION man/man1)