I've had some fixes in binreloc.c for some time that I'm trying to clean
up and commit. Part of the problem is that _br_find_exe doesn't work at
all for non-Aqua Mac builds (i.e. using X11). I've fixed this by
calling _NSGetExecutablePath if GNC_PLATFORM_OSX is set and
MAC_INTEGRATION is not set. This has been working for me for several
years. It shouldn't affect any other platforms.
The other problem is that it doesn't resolve symlinks properly. There
are bugs in that code that mean it never works, even in the simple case.
I can make simple cases (where the last path component is a symlink)
work easily enough, but the general case is a bit more complicated if
you limit yourself to using only readlink. Is there any reason that we
don't use the realpath function for this? I think it exists in all
non-Windows systems GnuCash cares about (Windows is a completely
separate implementation of _br_find_exe). It is in MacOS since 10.4, in
Posix since POSIX.1-2001, in BSD4.4, and in Linux. It's essentially
trivial to call and will solve the problem.
Mike
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