diff -up openmsx-0.10.0/build/custom.mk.installbase openmsx-0.10.0/build/custom.mk
--- openmsx-0.10.0/build/custom.mk.installbase	2014-01-05 22:09:53.000000000 +0100
+++ openmsx-0.10.0/build/custom.mk	2014-03-08 19:44:13.124017063 +0100
@@ -4,7 +4,7 @@
 # openMSX is always installed into a single self-contained directory.
 # But you can change that directory to for example /usr/local/openMSX
 # or /usr/games/openMSX if you like.
-INSTALL_BASE:=/opt/openMSX
+INSTALL_BASE:=/usr
 
 # Add revision number to executable file name? This applies only to
 # development versions, not to release versions (see version.py).
@@ -14,8 +14,8 @@ VERSION_EXEC:=false
 # This link is placed in a location that is typically in a user's path:
 # /usr/local/bin for system-wide installs and ~/bin for personal installs.
 # This setting is only relevant on systems that support symbolic links.
-SYMLINK_FOR_BINARY:=true
+SYMLINK_FOR_BINARY:=false
 
 # Install content of Contrib/ directory?
 # Currently this contains a version of C-BIOS.
-INSTALL_CONTRIB:=true
+INSTALL_CONTRIB:=false