| Summary: | sys-devel/gcc-5[go]: go & gofmt programs are installed which clobber dev-lang/go | ||
|---|---|---|---|
| Product: | Gentoo Linux | Reporter: | Andrius Štikonas <andrius> |
| Component: | [OLD] Core system | Assignee: | Gentoo Toolchain Maintainers <toolchain> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | williamh, zmedico |
| Priority: | Normal | ||
| Version: | unspecified | ||
| Hardware: | ARM | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Package list: | Runtime testing required: | --- | |
| Bug Depends on: | |||
| Bug Blocks: | 536984 | ||
| Attachments: | toolchain.eclass: install go and gofmt as go-5 and gofmt-5 | ||
Actually, it gets stuck every other time, not every time. I've also noticed that if dev-lang/go is reemerged than it's executable is used. So the bug seems to appear because gcc-config somehow creates a profile where go binary from gcc is used together with go environment from dev-lang/go. Once dev-lang/go is reemerged changes by gcc-config are overwritten and everything works again. I don't know why only ARM version stucks with 100% CPU usage but it looks like other arches are affected by this collision between gcc-config and dev-lang/go too. we'll just delete the go/gofmt programs from gcc for now gcc-5+ will now delete `go` and `gofmt` from BINPATH when installing gcc: http://gitweb.gentoo.org/repo/gentoo.git/commit/?id=837dc289f66ec6830a5175f28311b73f20250e07 (In reply to SpanKY from comment #2) > we'll just delete the go/gofmt programs from gcc for now Maybe add a -5 suffix to them. That will be consistent with the go-5 binary mentioned in the golang bootstrap instructions here: https://golang.org/doc/install/source This will solve the chicken/egg problem for bootstrap of dev-lang/go. Created attachment 428488 [details, diff] toolchain.eclass: install go and gofmt as go-5 and gofmt-5 With this patch, I've successfully bootstrapped go-1.6-r2 with sys-devel/gcc-5.3.0[go] (see bug 576290). @toolchain: Are there any objections to installing them with a -5 suffix? Note that go-5 is the name used in the golang bootstrap instructions.
diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index 7dade5c..0a5a0c5 100644
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -1684,10 +1684,12 @@ toolchain_src_install() {
ln -sf ${CTARGET}-${x} ${CTARGET}-${x}-${GCC_CONFIG_VER}
fi
done
- # Clear out the main go binaries as we don't want to clobber dev-lang/go
+ # Rename the main go binaries as we don't want to clobber dev-lang/go
# when gcc-config runs. #567806
if tc_version_is_at_least 5 && is_go ; then
- rm -f go gofmt
+ for x in go gofmt; do
+ mv ${x} ${x}-5 || die
+ done
fi
# Now do the fun stripping stuff
Maybe it makes more sense to name it go-${PV%%.*} so that it will only be named go-5 if the major version is 5 (not sure if gcc-4.x has the go/gofmt binaries).
(In reply to Zac Medico from comment #7) > Maybe it makes more sense to name it go-${PV%%.*} so that it will only be > named go-5 if the major version is 5 (not sure if gcc-4.x has the go/gofmt > binaries). Committed, using ${GCCMAJOR} instead of ${PV%%.*}: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3f171e23da269c77dfa9cb3097737e33db853c8d |
GCC5 provides a new go binary. However, it does not work on ARMv7 (Odroid-U2). I tried running /usr/armv7a-hardfloat-linux-gnueabi/gcc-bin/5.3.0/go without any arguments or with simple arguments like "version" go binary works fine on amd64. Reproducible: Always Steps to Reproduce: 1. emerge sys-devel/gcc-5.3.0[go] on ARMv7 2. run /usr/armv7a-hardfloat-linux-gnueabi/gcc-bin/5.3.0/go Actual Results: go is stuck forever with 100% CPU usage. Portage 2.2.24 (python 3.4.3-final-0, !../../usr/portage/profiles/default/linux/arm/13.0/armv7a/desktop/kde, gcc-5.3.0, glibc-2.21-r1, 4.3.0-gentoo-gnu armv7l) ================================================================= System uname: Linux-4.3.0-gentoo-gnu-armv7l-with-gentoo-2.2 KiB Mem: 2069928 total, 442448 free KiB Swap: 4094972 total, 4067260 free Timestamp of repository gentoo: Tue, 08 Dec 2015 18:15:01 +0000 sh bash 4.3_p39 ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1 dev-lang/python: 2.7.10-r1::gentoo, 3.4.3::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69::gentoo sys-devel/automake: 1.11.6-r1::gentoo, 1.13.4::gentoo, 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.25.1-r1::gentoo sys-devel/libtool: 2.4.6::gentoo sys-kernel/linux-headers: 3.18::gentoo (virtual/os-headers) Repositories: digint location: /var/lib/layman/btrbk sync-type: git sync-uri: git://dev.tty0.ch/portage/digint-overlay.git masters: gentoo gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.uk.gentoo.org/gentoo-portage sunxi location: /var/lib/layman/sunxi masters: gentoo priority: 0 chaos-gitlabhq location: /var/lib/layman/chaos-gitlabhq masters: gentoo priority: 1 bor location: /var/lib/layman/bor masters: gentoo priority: 2 Local-overlay location: /var/lib/portage/overlay/ masters: gentoo priority: 1000 ACCEPT_KEYWORDS="arm" ACCEPT_LICENSE="@FREE" CFLAGS="-O2 -pipe -march=armv7-a -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=hard" CHOST="armv7a-hardfloat-linux-gnueabi" CONFIG_PROTECT="/etc /etc/stunnel/stunnel.conf /usr/share/config /usr/share/easy-rsa /usr/share/gnupg/qualified.txt /var/bind" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.6/ext-active/ /etc/php/cgi-php5.6/ext-active/ /etc/php/cli-php5.6/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 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EMERGE_DEFAULT_OPTS, PORTAGE_BUNZIP2_COMMAND