bodrato at mail.dm.unipi.it writes: But it is not an inline function, it's a macro redefining mpn_com, it will not conflict with the prototype __gmpn_com. (I hope ;-) Thanks, it seems to have helped. I suppose this bug means that we didn't really provide mpn_com in the public interface. Perhaps we should mention it in NEWS? -- Torbjörn Please encrypt, key id 0xC8601622