Date: Thu, 19 Dec 2019 12:06:09 -0800 From: Ryan Libby <rlibby@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: "freebsd-toolchain@FreeBSD.org" <freebsd-toolchain@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Re: New external GCC toolchain ports/packages Message-ID: <CAHgpiFwbUJ=dz_3tR96x_ZEUgE2W8bgOhc8R3Wqh_zJu9w1_iw@mail.gmail.com> In-Reply-To: <cea12968-a807-7662-1f2b-161e27be51bf@FreeBSD.org> References: <cea12968-a807-7662-1f2b-161e27be51bf@FreeBSD.org>
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On Wed, Dec 18, 2019 at 1:49 PM John Baldwin <jhb@freebsd.org> wrote: > > In the interest of supporting newer versions of GCC for a base system > toolchain, I've renamed the external GCC packages from <arch>-gcc > to <arch>-gcc6. These are built as flavors of a new devel/freebsd-gcc6 > port. The xtoolchain package is not used for these new packages, instead > one does 'pkg install mips-gcc6' to get the GCC 6.x MIPS compiler and > uses 'CROSS_TOOLCHAIN=mips-gcc6'. I've also gone ahead and updated this > compiler to 6.5.0. > > I will leave the old ports/packages around for now to permit an easy > transition, but going forward, the <arch>-gcc6 packages should be preferred > to <arch>-xtoolchain-gcc for all but riscv (riscv64-gcc and riscv64-xtoolchain-gcc > are separate from the powerpc64-gcc set of packages). > > In addition, I've also just added a devel/freebsd-gcc9 package which > builds <arch>-gcc9 packages. It adds powerpc and riscv flavors relative > to freebsd-gcc6 and uses GCC 9.2.0. To date in my testing I've yet to > be able to finish a buildworld on any of the platforms I've tried > (amd64, mips, sparc64), but the packages should permit other developers > to get the tree building with GCC 9. To use these packages one would do > something like: > > # pkg install amd64-gcc9 > # make buildworld CROSS_TOOLCHAIN=amd64-gcc9 > > You can install both the gcc6 and gcc9 versions of a package at the same > time, e.g. amd64-gcc6 and amd64-gcc9. Having different packages for major > versions is similar to llvm and will also let us keep a known-good > toolchain package for older releases while using newer major versions on > newer FreeBSD releases (e.g gcc9 for 13.0 and gcc6 for 12.x). > > I do plan to switch the default toolchains for make universe/tinderbox > for targets using <arch>-xtoolchain-gcc based on GCC 6 over to the > freebsd-gcc6 variants in the next week or so. > > -- > John Baldwin Awesome, thanks! I was able to get amd64 buildworld and buildkernel to succeed with just a few changes, and none to the port. I'll work on getting the changes in.
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