Date: Fri, 16 Oct 2020 10:41:34 -0500 From: Kyle Evans <kevans@freebsd.org> To: Jessica Clarke <jrtc27@debian.org> Cc: src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org> Subject: Re: svn commit: r366766 - head Message-ID: <CACNAnaFto81Egn4PD_7FTgXP3L=0nBFPY8Pa0a-r1qqYv5oM8w@mail.gmail.com> In-Reply-To: <EDDD8A3D-9C5F-4B30-AE44-C5122DCE5EDC@debian.org> References: <202010161516.09GFGNUI015980@repo.freebsd.org> <EDDD8A3D-9C5F-4B30-AE44-C5122DCE5EDC@debian.org>
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On Fri, Oct 16, 2020 at 10:36 AM Jessica Clarke <jrtc27@debian.org> wrote: > > On 16 Oct 2020, at 16:16, Kyle Evans <kevans@FreeBSD.org> wrote: > > > > Author: kevans > > Date: Fri Oct 16 15:16:23 2020 > > New Revision: 366766 > > URL: https://svnweb.freebsd.org/changeset/base/366766 > > > > Log: > > Makefile: add a small blurb about building with gcc xtoolchain > > > > The key details are to install the appropriate flavor of devel/freebsd-gcc9 > > and pass CROSS_TOOLCHAIN while building. > > > > Suggested by: kib > > > > Modified: > > head/Makefile > > > > Modified: head/Makefile > > ============================================================================== > > --- head/Makefile Fri Oct 16 14:28:13 2020 (r366765) > > +++ head/Makefile Fri Oct 16 15:16:23 2020 (r366766) > > @@ -89,6 +89,15 @@ > > # 10. `reboot' > > # 11. `make delete-old-libs' (in case no 3rd party program uses them anymore) > > # > > +# For individuals wanting to build from source with GCC from ports, first build > > +# or install an appropriate flavor of devel/freebsd-gcc9. The packages produced > > +# by this port are named "${TARGET_ARCH}-gcc9" -- note that not all > > +# architectures supported by FreeBSD have an external gcc toolchain available. > > +# > > +# Once the appropriate freebsd-gcc package is installed, simply pass > > +# CROSS_TOOLCHAIN=${TARGET_ARCH}-gcc9 while building with the above steps, > > +# e.g., `make buildworld CROSS_TOOLCHAIN=amd64-gcc9`. > > Given GCC 10 is the latest GCC release so this is already a bit > outdated (though perhaps GCC 9 is still the recommended version for > FreeBSD now?), should this not avoid hard-coding a specific version and > thus s/9/N/ (or X)? > Probably so, yes -- freebsd-gcc9 is still the latest and greatest as far as cross-toolchain gcc goes, though. We still have freebsd-gcc6, too, so at the very least once we drop freebsd-gcc6 and create freebsd-gcc10 I'll revisit this and find some way to make it more generic while still easy to find the port/pkg you need.
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