Date: Fri, 24 Mar 2023 11:15:54 +0000 From: Nuno Teixeira <eduardo@freebsd.org> To: Warner Losh <imp@bsdimp.com> Cc: "Floyd, Paul" <paulf2718@gmail.com>, freebsd-current@freebsd.org Subject: Re: byteswap.h not found on 12 and 13 Message-ID: <CAFDf7UJ_pB5LGpQU6FFk=W80nGO_d7OypEWNo0BZ5dcKGQUf4g@mail.gmail.com> In-Reply-To: <CANCZdfo_okhWq_fks3=s4xYMWc_QcKqxvRgT2ogWsqMZpF25oQ@mail.gmail.com> References: <CAFDf7UKq3bMgd3XA0=U10%2BLhOCY7fZCHds9DdBcrSuNidOityw@mail.gmail.com> <CANCZdfpT3nbZ%2BzHHtdsMDa88JsWr7Frw%2BRPGcy6B=P60DZL2_g@mail.gmail.com> <CAFDf7UL=av0KDAw2O3Fmf=x5wThezBokCQ2KHtW6wOZnn43bxQ@mail.gmail.com> <ef18fee5-358b-3c19-467b-2fd980dff797@aetern.org> <CANCZdfrvHQTZqgGdZjm5Z_fa53g92c_6EHtKZpyRAsKwRsDcLw@mail.gmail.com> <CANCZdfp=zTD5ctpjcQhDBexWP40d=z0GAd09Qa9eFM4yxXq9RQ@mail.gmail.com> <CANCZdfq2nLt1Bq2Jzn=ivvqaOvF9=y8j=ChZzy6TrE5zAzeFiw@mail.gmail.com> <13BBF767-6CBB-41D5-AD93-6ADD9C417811@FreeBSD.org> <1aa553c9-79b9-30a0-e4ca-95b1057f1d80@gmail.com> <CANCZdfo_okhWq_fks3=s4xYMWc_QcKqxvRgT2ogWsqMZpF25oQ@mail.gmail.com>
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--000000000000e77c0605f7a384c9 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I'm thinking in the best plan to patch port. What about patch it for OSVERSION < 14 that will fix 12 and 13 and when 13.2 is out patching it only for 12. Any thoughts? Warner Losh <imp@bsdimp.com> escreveu no dia sexta, 24/03/2023 =C3=A0(s) 09= :37: > > > On Fri, Mar 24, 2023 at 3:23=E2=80=AFAM Floyd, Paul <paulf2718@gmail.com>= wrote: > >> >> A modern and standard solution is std::byteswap. >> >> https://en.cppreference.com/w/cpp/numeric/byteswap >> >> According to this >> >> https://en.cppreference.com/w/cpp/compiler_support#C.2B.2B23_library_fea= tures >> >> you will need llvm 14 for that. >> > > Which doesn't help OP since they needed 12 and 13 support for existing > software. > Also, that's C++ only, which I don't think helps either. > > I'm glad to see some articulated standards here because when I did endian= .h > and byteswap.h, it was a minefield of what can or can't be defined in the > face > of existing use. > > Warner > > >> A+ >> >> Paul >> >> >> >> >> --=20 Nuno Teixeira FreeBSD Committer (ports) --000000000000e77c0605f7a384c9 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>I'm thinking in the best plan to patch port.</div= ><div>What about patch it for OSVERSION < 14 that will fix 12 and 13 and= when 13.2 is out patching it only for 12.</div><div><br></div><div>Any tho= ughts?<br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class= =3D"gmail_attr">Warner Losh <<a href=3D"mailto:imp@bsdimp.com">imp@bsdim= p.com</a>> escreveu no dia sexta, 24/03/2023 =C3=A0(s) 09:37:<br></div><= blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-l= eft:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div dir= =3D"ltr"><br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D= "gmail_attr">On Fri, Mar 24, 2023 at 3:23=E2=80=AFAM Floyd, Paul <<a hre= f=3D"mailto:paulf2718@gmail.com" target=3D"_blank">paulf2718@gmail.com</a>&= gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0= px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br> A modern and standard solution is std::byteswap.<br> <br> <a href=3D"https://en.cppreference.com/w/cpp/numeric/byteswap" rel=3D"noref= errer" target=3D"_blank">https://en.cppreference.com/w/cpp/numeric/byteswap= </a><br> <br> According to this <br> <a href=3D"https://en.cppreference.com/w/cpp/compiler_support#C.2B.2B23_lib= rary_features" rel=3D"noreferrer" target=3D"_blank">https://en.cppreference= .com/w/cpp/compiler_support#C.2B.2B23_library_features</a><br> <br> you will need llvm 14 for that.<br></blockquote><div><br></div><div>Which d= oesn't help OP since they needed 12 and 13 support for existing softwar= e.</div><div>Also, that's C++ only, which I don't think helps eithe= r.</div><div><br></div><div>I'm glad to see some articulated standards = here because when I did endian.h</div><div>and byteswap.h, it was a minefie= ld of what can or can't be defined in the face</div><div>of existing us= e.</div><div><br></div><div>Warner</div><div>=C2=A0</div><blockquote class= =3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg= b(204,204,204);padding-left:1ex"> A+<br> <br> Paul<br> <br> <br> <br> <br> </blockquote></div></div> </blockquote></div><br clear=3D"all"><br><span class=3D"gmail_signature_pre= fix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"l= tr"><span style=3D"color:rgb(102,102,102)">Nuno Teixeira<br>FreeBSD Committ= er (ports)</span></div></div> --000000000000e77c0605f7a384c9--
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