79f1f7a4f1
Instead of supporting configuration of the field and scalar size independently, both are now controlled by the availability of a 64x64->128 bit multiplication (currently only through __int128). This is autodetected from the C code through __SIZEOF_INT128__, but can be overridden using configure's --with-test-override-wide-multiply, or by defining USE_FORCE_WIDEMUL_{INT64,INT128} manually. |
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ax_prog_cc_for_build.m4 | ||
bitcoin_secp.m4 |