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messing with linkage

I've painted myself into sort of a corner, and I'm looking for a
specific way out. I'm sure that here exist numerous plausible
workarounds, but that's not what I'm looking for. Note that this is a
Mach-O problem rather than a MacOS problem, so I'm asking here rather
than on a MacOS mailing list even though I am working on MacOS X; I
expect a higher level of expertise with the lower level object formats
and tools here.

I have a program which links to several dylibs. If it matters, it's all
flat namespace. When it linked, each dylib's install name was either
@excutable_path/<libname> or /full/path/to/<libname>. I now want to put
these dylibs into App.app/Contents/Frameworks and set their install
names to be @executable_path/../Frameworks/<libname>, and I do so with
install_name_tool. The problem is that, as otool -L reports, the linked
program is looking for the libraries where it found them at link time,
rather than in Frameworks.

I want to change the paths the executable uses to
@executable_path/../Frameworks/<libname> just as I changed the dylibs'
install names. I haven't found a tool to do it. Is there a way (preferably
an existing tool) to, effectively, relink a program? Or just change the
paths it has stored?

--Greg
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