diff -ruN qgis-0.8.1-orig/CMakeLists.txt qgis-0.8.1/CMakeLists.txt
--- qgis-0.8.1-orig/CMakeLists.txt	2007-02-23 12:20:33.000000000 -0500
+++ qgis-0.8.1/CMakeLists.txt	2007-06-22 10:53:58.000000000 -0400
@@ -220,7 +220,7 @@
 
 # manual page... install also on windows?
 INSTALL (FILES qgis.man
-         DESTINATION ${CMAKE_INSTALL_PREFIX}/man/man1)
+         DESTINATION ${CMAKE_INSTALL_PREFIX}/share/man/man1)
 
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 # Uninstall stuff see: http://www.vtk.org/Wiki/CMake_FAQ