[CMake] cmake 2.4.2 vs cmake 2.2.3

[Brad King]

Vikas Kumar wrote:
> I agree.
> But even though I do not set the install prefix with a trailing "/",
> the leading slash becomes necessary.  That REGEX expression is
> generated anyway, and the fault is not with the REGEX expression.  The
> fault is with the fact that I need to add a leading slash if i use a
> cmakelists.txt file from cmake-2.2.3 and am using INSTALL_TARGETS().
> 
> So INSTALL_FILES() and INSTALL_TARGETS() is not exactly backward
> compatible in cmake-2.4.2 in the way it works for cmake-2.2.3.

I consider the change a bug fix.  Previously if CMakeLists.txt authors 
followed the leading slash convention and the user added a trailing 
slash to the install prefix then a double-slash would be present which 
was causing some other problems.

-Brad