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Diffstat (limited to 'website/content/en/status/report-2022-04-2022-06/gcc.adoc')
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diff --git a/website/content/en/status/report-2022-04-2022-06/gcc.adoc b/website/content/en/status/report-2022-04-2022-06/gcc.adoc new file mode 100644 index 0000000000..7099c4cc4a --- /dev/null +++ b/website/content/en/status/report-2022-04-2022-06/gcc.adoc @@ -0,0 +1,28 @@ +=== GCC: updating GCC_DEFAULT and other improvements + +Links: + +link:https://gcc.gnu.org[GCC Project] URL: link:https://gcc.gnu.org[https://gcc.gnu.org] + +link:https://gcc.gnu.org/gcc-11/[GCC 11 release series] URL: link:https://gcc.gnu.org/gcc-11/[https://gcc.gnu.org/gcc-11/] + +Contact: <toolchain@FreeBSD.org> + +Contact: Gerald Pfeifer <gerald@pfeifer.com> + +Contact: Lorenzo Salvadore <salvadore@FreeBSD.org> + +Contact: Piotr Kubaj <pkubaj@FreeBSD.org> + + * salvadore@ worked on the upgrade of GCC_DEFAULT in Mk/bsd.default-versions.mk from 10 to 11, opening bug reports based on antoine@'s exp-runs and fixing some: many thanks to all those that helped with this task. + The GCC_DEFAULT update from GCC 10 to GCC 11 has now been committed by gerald@ and happened in time for the next quarterly branch. + link:https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258378[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258378] + + * pkubaj@ switched GCC bootstrapping to use Link Time Optimization for GCC itself for GCC 11 and newer by introducing a new option enabled by default. + Building with LTO_BOOTSTRAP enabled requires significant amounts of memory and time. + How much resources are actually needed depends on your configuration (e.g. are you building from ports or with poudriere? What is your architecture?). + To give an idea, link:https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264949#c17[a user reported needing 5 GiB of tmpfs], while in link:https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265254#c2[PR 265254] a need of about 130 GB of memory is estimated due to an excessive amount of processes spawning (see also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106328). + Consider disabling LTO_BOOTSTRAP in favor of STANDARD_BOOTSTRAP (or disabling BOOTSTRAP altogether) in case that is a problem. + + * pkubaj@ also added lang/gcc12 and lang/gcc13-devel ports and updated lang/gcc9 to 9.5. + + * Help is still needed with these three changes to work through with upstream GCC (requires src expertise, not ports): + + ** upstreaming lang/gcc11/patch-gets-no-more + ** upstreaming lang/gcc11/patch-arm-unwind-cxx-support + ** link:https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256874[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256874] |