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Language front end headers and additions to libgcc2


There presently exists a mechanism for language front ends to add headers
to be installed in libsubdir/include (setting headers in config-lang.in)
and functions for libgcc2 (setting lib2funcs, though the setting doesn't
actually seem to be used).  This mechanism isn't used any more, since the
C++ parts of libgcc moved out to libsupc++.  I understand that the current
practice is that languages shouldn't add anything to libgcc2, and should
install headers from their runtime library directories at top level; would
it be appropriate to remove this machinery?  If so, I'll send a patch to
remove it.

-- 
Joseph S. Myers
jsm28@cam.ac.uk


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