Do not tweak the default prefix.

MAINTENANCE

@@ -59,10 +59,8 @@ create proper Makefiles. The created Makefiles can then be used by us
 to test compilation and the demo programs. All Makefiles can be called
 independently from any subdirectory. The command "make install" is
 used to install a package. All files are installed below a common
-prefix path ("configure --prefix=PREFIX"). PREFIX defaults to `./' if
-`./configure' was run with the `--enable-maintainer-mode'
-switch. Otherwise it defaults to `/usr/local/'. There are also several
-variations of "clean" targets.
+prefix path ("configure --prefix=PREFIX"). PREFIX defaults to
+`/usr/local/' There are also several variations of "clean" targets.
 
 For the portable building of shared libraries we use "libtool". This involves 
 special compilation, e.g.