Loading shared libraries under HP-UX on PA32

[Richard Levitte - VMS Whacker]

I've had reports that it seems like shl_load() only loads a file from
the current directory if the file given is something like "libcswift.sl".
In the man page, the parameter is called "path", so I wouldn't be too
surprised if the observation is correct as defined by the implementors
of shl_load() or if there's a way for it to look along a path of
directories, like dlopen() does.

The man pages I've read are unfortunately not completely clear in this
matter, so if someone with HP-UX experience could tell me what the
story really is, I'd be grateful.

Of course, the option is to move everything HP-UX-related to use dl*()
instead of shl*() and we'd get rid of the problem (since dlopen() uses
LD_LIBRARY_PATH), but that would mean throwing away all DSO support for
HP-UX 10.20, and I wonder if we really want to do that...

Another option is to implement support for something like
LD_LIBRARY_PATH in the DSO code that uses shl_load().

Comments?

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