[Bug libstdc++/38384] fails to build cross gcc for target hppa64-hp-hpux11.00 in libstdc++/libmath

[r dot emrich at de dot tecosim dot com]

------- Comment #32 from r dot emrich at de dot tecosim dot com  2009-01-16 18:33 -------
(In reply to comment #31)
> 
> Probably, the warning needs to be suppressed.  The warning is correct
> in that the encoding currently used contains dynamic relocations
> preventing the creation of a .eh_frame_hdr table.  This only applies
> to GNU ld.  HP ld doesn't support this.  Functionally, this is
> only a performance issue.
> 
> Still it would be good if the relocations could be eliminated.  However,
> the standard technique using pc-relative encoding doesn't work because
> the dynamic linker doesn't maintain a consistent relationship between
> text and data for dynamically loaded objects.  It's not possible to
> reference text locations from the data segment using pc-relative
> offsets.
> 
> It may be possible to use segment relative encodings.  I added
> some support to gas to do this last summer.  There's still an
> issue with the functions to compute the base for these encodings.
> 
> There are lots of issues with using GNU ld on HP-UX.  It hasn't
> been maintained at more than a basic level for some time.
> 
> Dave
> 

Dave, thank you for the explanation.
Next week I will try to build some functional C++ application.
Then we will see if there are remaining issues.

Rainer


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38384