Massive PORTREVSION bump for gcc8
Jan Beich
jbeich at FreeBSD.org
Sun Dec 16 02:32:12 UTC 2018
Kevin Oberman <rkoberman at gmail.com> writes:
> This morning the PORTREVISION on at least hundreds of ports was bumped
> because gcc8 was declared as the "canonical" version. As a result, I will
> have about 300 ports to rebuild which will take many hours.
> Why?
USE_GCC embeds RPATH during build where libgcc_s, libgfortran,
libstdc++, etc. can be found. Mixing different versions (e.g., libgcc_s
from lang/gcc7 with libgfortran from lang/gcc8) may destabilize
runtime. Rebuild is necessary to ensure the consistent state, mainly for
portmaster/portupgrade that don't rebuild every time dependency is upgraded.
USE_GCC is implicitly set by USES=compiler on architectures stuck with
GCC in base i.e., powerpc*/sparc64/mips*/riscv*.
> This will lead to a delay of probably several days in getting updated
> packages built for LATEST repos and will consume hours of CPU time for
> everyone using poudriere or building from ports.
According to 11.2 amd64 builder[1] /latest rarely finishes faster than
in ~1.575 days as the median queue is ~8201 packages. GCC bump occured
in r487333 build. During that time Boost (with bumps) and ImageMagick
also updated, forcing a big number[2] of consumers rebuilt.
[1] http://beefy9.nyi.freebsd.org/jail.html?mastername=112amd64-default
[2] poudriere aggressively obsoletes packages if it detects dependency
changed, taking down even indirect consumers in a chain reaction.
$ poudriere bulk -j 112amd64 devel/magit www/emacs-w3m
[...]
Checking packages for incremental rebuild needs
Deleting ImageMagick6-6.9.10.14_2,1.txz: new version: 6.9.10.16,1
Deleting emacs-26.1_4,3.txz: missing dependency: ImageMagick6-6.9.10.14_2,1
Deleting flim-emacs26-1.14.9_20,1.txz: missing dependency: emacs-26.1_4,3
Deleting ghub-emacs26-3.0.0.txz: missing dependency: emacs-26.1_4,3
Deleting graphql.el-emacs26-0.1.1.txz: missing dependency: emacs-26.1_4,3
Deleting magit-emacs26-2.90.1.txz: missing dependency: emacs-26.1_4,3
Deleting magit-popup-emacs26-2.12.4_1.txz: missing dependency: emacs-26.1_4,3
Deleting semi-emacs26-1.14.6_22.txz: missing dependency: emacs-26.1_4,3
Deleting treepy.el-emacs26-0.1.1.txz: missing dependency: emacs-26.1_4,3
Deleting with-editor-emacs26-2.8.0_1.txz: missing dependency: emacs-26.1_4,3
Deleting apel-emacs26-10.8_17.txz: missing dependency: emacs-26.1_4,3
Deleting dash.el-emacs26-2.14.1_1.txz: missing dependency: emacs-26.1_4,3
Deleting emacs-w3m-emacs26-1.4.632.b.20181110.txz: missing dependency: emacs-26.1_4,3
Deleting stale symlinks... done
Deleting empty directories... done
Cleaning the build queue
Sanity checking build queue
Processing PRIORITY_BOOST
Balancing pool
Recording filesystem state for prepkg... done
Building 13 packages using 8 builders
[...]
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