> ### FROM: John Cowan <[email protected]>
> ### ON: Wed, 13 Feb 2013 12:43:28 -0500
>
> [email protected] scripsit:
>
> > I wasn't familiar with the '-z' option, and I gleaned it's used by the
> > gnu linker. Since this option is invoked only with "-deploy" in the
> > test suite, I'm not really sure of its purpose. It may be needed by
> > gcc, but '-z origin' was indigestible by clang.
>
> In the RPATH, which is set by the -R switch, the literal string "$ORIGIN"
> represents the directory that the executable file was run from. At least
> this is so on Linux and Solaris. But on FreeBSD, it is interpreted
> as a literal directory name unless the "-z origin" switch was passed
> to the linker. A bug in clang prevents it from handling the -R and
> "-z origin" switches at the same time.
>
Thanks for the information. That clears up the mystery, but leaves in question
whether a deployed application will work as intended if compiled with clang
under FreeBSD. While the test succeeded, behavior in real-world use might be
different. Don't know if this clang bug has otherwise caused problems in
FreeBSD, but it will be interesting to see what's been reported.
J. Altfas
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