On Fri, Aug 10, 2018 at 9:53 PM Warner Losh <imp_at_bsdimp.com> wrote: > > > On Thu, Aug 9, 2018 at 11:51 PM, Erich Dollansky < > freebsd.ed.lists_at_sumeritec.com> wrote: > >> Hi, >> >> On Fri, 10 Aug 2018 12:40:48 +0800 >> blubee blubeeme <gurenchan_at_gmail.com> wrote: >> >> > On Fri, Aug 10, 2018 at 8:28 AM Erich Dollansky < >> > freebsd.ed.lists_at_sumeritec.com> wrote: >> > >> > > Hi, >> > > >> > > On Fri, 10 Aug 2018 08:01:42 +0800 >> > > blubee blubeeme <gurenchan_at_gmail.com> wrote: >> > > >> > > > What's the proper way to define and include FreeBSD amd64 in GNU >> > > > Makefiles >> > > > >> > > > Do we define FreeBSD as x86_64 or amd64 also is it __FreeBSD__, >> > > > FreeBSD__, or __FreeBSD >> > > > >> > > > I've seen all of the above looking through different projects. >> > > >> > > clang defines '__FreeBSD__' >> > > >> > > Erich >> > > >> > >> > What about the architecture name is it recommended to use x86_64 or >> > amd64? >> >> my clang reports on an Intel CPU: >> >> #define __amd64 1 >> #define __amd64__ 1 >> #define __x86_64 1 >> #define __x86_64__ 1 >> >> as defined. >> >> It reports >> >> #define __aarch64__ 1 >> >> on an 64 bit ARM CPU. >> > > 'man 7 arch' will tell you these things: > > amd64 __amd64__, __x86_64__ > This is what I was looking for, thank you for the man page and it's good to see that these things are starting to get documented. > > it contains the preferred list of macros to use. Ideally, you'd use the > first one listed, though all the ones listed are supported. Others might > not be. > > Warner > Best, OwenReceived on Fri Aug 10 2018 - 12:31:51 UTC
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