On Wed, Nov 14, 2012 at 5:36 AM, Richard Earnshaw <rearn...@arm.com> wrote: > On 13/11/12 14:56, Ian Lance Taylor wrote: >> >> Currently -fPIC -fPIE seems to be the same as -fPIE. Unfortunately, >> -fPIE -fPIC also seems to be the same as -fPIE. It seems to me that, >> as is usual with conflicting options, we should use the one that >> appears last on the command line. >> >> Do we have an existing mechanism in options processing for one option >> to turn off another, where the options are not exact inverses? I >> looked for one but I didn't see one. There is support for that for >> options with the Mask property, but I don't see it for non-target >> options. > > pic and pie are mostly the same, but the pre-emption rules are different. > For fpie we don't have to permit pre-emption of global definitions. > > I hope we don't loose that distinction.
No, of course not. All I'm talking about here is option processing when both -fPIC and -fPIE are provided. There is no change to the normal case of providing just -fPIC or just -fPIE. Ian
