Jerry James wrote:
> Since they contain identical
> symbols, the bundled polylmake version renames all of the symbols in
> the GMP-enabled version to have "_gmp" suffixes. We did likewise, but
> to support applications that only want the GMP-enabled version and
> expect the original unaltered symbol names, we made declarations of
> the form "foo __attribute__((alias(foo_gmp)))" for each external
> symbol foo.
[snip]
> And this in the .dynsym section:
>
> 109: 0000000000246100 0 OBJECT GLOBAL DEFAULT 23 dd_purezero
> 634: 0000000000246100 32 OBJECT GLOBAL DEFAULT 23 dd_purezero_gmp
>
> So dd_purezero is not, in fact, an undefined symbol. It is an alias
> to dd_purezero_gmp, which is defined and has the proper relocation
> type.
Don't use __attribute__((alias(foo_gmp))), use asm("foo_gmp"), as per:
https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/Asm-Labels.html
Kevin Kofler
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