[CMake] installing dependents

[Clinton Stimpson]

Thanks.  Do you know if gp_resolve_item handles 64 and 32 bit binaries 
correctly on Windows?
"dumpbin /dependents" is used and it doesn't return full paths like ldd 
does on Linux, or otool on Mac.
I put both in my PATH, so I can run both 32 and 64 bit programs.  I just 
wanted to make sure I was getting the right .dll when I copy it into my 
installation directory.

Clint

David Cole wrote:
> On Fri, Jul 17, 2009 at 6:48 PM, David Cole <david.cole at kitware.com 
> <mailto:david.cole at kitware.com>> wrote:
>
>     No. It's supposed to return the actual string that is referenced
>     by the thing being analyzed. But you can call gp_resolve_item to
>     get the full path... (There is a reason for this, although I can't
>     remember what it is at the moment... If I think of it, I'll reply
>     again.)
>
>
> I thought of/remembered the reason, so I'm replying again:
>
> The get_prerequisites function needs to return items exactly as they 
> are referenced in the executable being analyzed such that ...... later 
> on, the caller can use that string as an input to install_name_tool 
> for replacing it with something like "@executable_path/...." -- if the 
> item were returned resolved, then we would have to re-analyze the 
> executable later to figure out which string in the otool output 
> corresponds to the resolved item... (Or keep a map of them around, as 
> is done in BundleUtilities...)
>
>
>  
>
>
>     From commentary in the middle of the get_prerequisites function:
>
>         # Use the raw_item as the list entries returned by this
>     function. Use the
>         # gp_resolve_item function to resolve it to an actual full
>     path file if
>         # necessary.
>         #
>         set(item "${raw_item}")
>
>
>     HTH,
>     David
>
>
>     On Fri, Jul 17, 2009 at 6:40 PM, Clinton Stimpson
>     <clinton at elemtech.com <mailto:clinton at elemtech.com>> wrote:
>
>
>         Is get_prerequisites() supposed to return absolute paths all
>         the time?
>         For example, on the Mac, I've got some frameworks in
>         /Library/Frameworks that I may want to copy if they might not
>         exist on other Macs.  When I call get_prerequisites(), getting
>         "foo.framwork/" instead of "/Library/Frameworks/foo.framework/"
>
>         Clint
>
>         David Cole wrote:
>
>             So I would love to see a corollary to
>             BundleUtilities.cmake for Mac on Windows and Linux, too.
>
>             Using GetPrerequisites to gather the set of dependent
>             files is obviously the first step.
>
>             Then, on Windows, a function that installs all the
>             dependent dlls to the same location as the executable
>             would be awesome.
>
>             On Linux, I guess you would have to make sure everything
>             you depend on is either already installed in its install
>             path, or aware of your install path, or uses
>             LD_LIBRARY_PATH -- the issues here are the ones I am least
>             familiar with (compared to Windows and Mac anyhow).
>
>             I don't think this should ever be fully automated because
>             of licensing and coyright issues. Technically, it is easy
>             to gather the set of required files to make something work
>             on a practical level. The issue will be: "hey, you're not
>             allowed to copy *that* dll" because of such and such
>             non-technical reason...
>
>             Having said all this, and that I would love to see it, I
>             must admit: it is not presently on the radar for any CMake
>             developers as far as I know. So, as always: patches
>             welcome. :-)
>
>
>             HTH,
>             David
>
>
>             On Fri, Jul 17, 2009 at 3:05 PM, Clinton Stimpson
>             <clinton at elemtech.com <mailto:clinton at elemtech.com>
>             <mailto:clinton at elemtech.com
>             <mailto:clinton at elemtech.com>>> wrote:
>
>                So I'm using GetPrequisites.cmake to gather dependencies.
>                Are there any examples, tips, etc.. for using this?
>
>                With the results I'm getting back, I do a
>                file(INSTALL ... ) because that's what I see in the
>                cmake_installcmake file.  Should it be documented?
>                But these files I'm getting back are soft links to the real
>                library.  And the file(INSTALL ... ) just puts a
>             softlink in my
>                installation directory instead of a real library.
>
>                Is there some higher level cmake function I should be
>             calling to
>                install libraries on Unix/Linux, similar to how there is
>                BundleUtilties.cmake for Mac?  Or ideally, is there one
>             function I
>                can use on all platforms to install some prerequisites?
>
>                Thanks,
>                Clint
>
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