TIL a little-known gcc feature, #pragma GCC poison, is useful in tracking down bugs like https://gmplib.org/list-archives/gmp-bugs/2015-December/003849.html …
It allowed me to find exactly where the macro expanding to the undefined symbol was (in wrong logic in gmp/longlong.h) and hack around it.
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Hopefully soon this will translate into an actual fix for building gmp without asm (default/forced for in-gcc-build-tree) for arm hosts.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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