Hi list,

It seems that on El Capitan we have to postprocess some libraries with
install_name_tool before they can be linked. I ran into this problem with
nspr and js24, and from John's comment in jhbuildrc-gtk-osx-custom-example,
which pointed me in the right direction, I see he has had the same problem
with boost.

For anyone else with the same problem, I had to change libmozjs-24.dylib
with install_name_tool -id /full/path/to/libmozjs-24.dylib
libmozjs-24.dylib, then also change some of its dependencies with
install_name_tool -change @executable_path/libdependency.dylib
/full/path/to/libdependency.dylib libmozjs-24.dylib, then repeat the
install_name_tool -change for any of those dependencies that depended on
each other (though I didn't have to repeat install_name_tool -id for the
dependencies).

I'm looking for ideas on how to get these modules building again without
the intervention of install_name_tool. But I admit I don't understand what
the issue is here and why this is necessary, or how to get the libraries to
just build with the correct paths from the get-go. (I assume it would be
some -Wl linker flag that we would have to patch into any module that is
affected? Or maybe the answer is to get jhbuild to do this path rewriting
automatically during a module's install phase?)

Regards,
Philip
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