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Use -fno-asynchronous-unwind-tables to compile lib/csu

Authored by dim on May 10 2020, 4:08 PM.



In rS209294 kib added -fno-asynchronous-unwind-tables to the compile
flags for the GNU C startup components. This was done to work around a
BFD ld assertion, "no .eh_frame_hdr table will be created", which is
produced because of the layout of the startup objects.

Add the same flag to lib/csu too, for the same reason. And similarly to
rS209294, also add -fno-omit-frame-pointer.

This is primarily meant to quickly MFC to stable/11, so it can end up in
the 11.4 release, as a fix for

Diff Detail

rS FreeBSD src repository - subversion
Automatic diff as part of commit; lint not applicable.
Automatic diff as part of commit; unit tests not applicable.