Date: Fri, 16 Oct 2020 11:53:06 -0500 From: Kyle Evans <kevans@freebsd.org> To: John Baldwin <jhb@freebsd.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: <CACNAnaGLtkc_jnZsjYtMn1H0ShGadCE_KP5C9NKLcQxbgaSpLQ@mail.gmail.com> In-Reply-To: <5475d244-b507-d369-46c1-2b75c02a8645@FreeBSD.org> References: <202010161516.09GFGNUI015980@repo.freebsd.org> <5475d244-b507-d369-46c1-2b75c02a8645@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Oct 16, 2020 at 11:47 AM John Baldwin <jhb@freebsd.org> wrote: > > On 10/16/20 8:16 AM, Kyle Evans 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`. > > gcc9 is probably still a bit premature. 'make USE_GCC_TOOLCHAINS=yes tinderbox' > still uses gcc6 as I still have several open reviews for gcc9 fixes, though > OpenZFS regressed the build for both gcc6 and gcc9 as Adrian is finding. > > I think I would also just suggest 'pkg install ${TARGET_ARCH}-gcc6' rather than > building the port. That is what 'make tinderbox' suggests. > Sure, I'll wordsmith it again and throw something up for review. The key point I want to nail down is the package naming and how to easily locate in the ports tree where that's built from in case that becomes a relevant detail while you're cross-building.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CACNAnaGLtkc_jnZsjYtMn1H0ShGadCE_KP5C9NKLcQxbgaSpLQ>