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Bug 925175 - sys-boot/grub-2.12-r1 sets the default target to x86_64-efi with GRUB_PLATFORMS="-* pc"
Summary: sys-boot/grub-2.12-r1 sets the default target to x86_64-efi with GRUB_PLATFOR...
Status: RESOLVED INVALID
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Mike Gilbert
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2024-02-21 13:30 UTC by Agostino Sarubbo
Modified: 2024-02-21 15:40 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Agostino Sarubbo gentoo-dev 2024-02-21 13:30:25 UTC
[ebuild   R    ] sys-boot/grub-2.12-r1:2/2.12-r1::gentoo  USE="fonts nls themes -device-mapper -doc -efiemu -libzfs -mount -sdl (-test) -truetype -verify-sig" GRUB_PLATFORMS="pc -coreboot -efi-32 -efi-64 -emu -ieee1275 (-loongson) -multiboot -qemu (-qemu-mips) -uboot -xen -xen-32 -xen-pvh" 0 KiB

'grub-install --help' says:

      --target=TARGET        install GRUB for TARGET platform
                             [default=x86_64-efi]; available targets:

while the default should be i386-pc

Portage 3.0.61 (python 3.11.7-final-0, default/linux/amd64/17.0/musl, gcc-13, musl-1.2.3-r8, 6.1.53-1-lts x86_64)
=================================================================
System uname: Linux-6.1.53-1-lts-x86_64-Intel-R-_Core-TM-_i5-7200U_CPU_@_2.50GHz-with-libc
KiB Mem:    12154152 total,   8502076 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Wed, 21 Feb 2024 00:45:00 +0000
Head commit of repository gentoo: 4c82c2a0c6f8efb2389e373f567cc94936960550
sh bash 5.1_p16-r6
ld GNU ld (Gentoo 2.41 p5) 2.41.0
app-misc/pax-utils:        1.3.7::gentoo
app-shells/bash:           5.1_p16-r6::gentoo
dev-build/autoconf:        2.71-r6::gentoo
dev-build/automake:        1.16.5-r2::gentoo
dev-build/libtool:         2.4.7-r1::gentoo
dev-build/make:            4.4.1-r1::gentoo
dev-build/meson:           1.3.0-r2::gentoo
dev-lang/perl:             5.38.2-r1::gentoo
dev-lang/python:           3.11.7::gentoo, 3.12.1_p1::gentoo
sys-apps/baselayout:       2.14-r2::gentoo
sys-apps/openrc:           0.53::gentoo
sys-apps/sandbox:          2.38::gentoo
sys-devel/binutils:        2.41-r5::gentoo
sys-devel/binutils-config: 5.5::gentoo
sys-devel/gcc:             13.2.1_p20240113-r1::gentoo
sys-devel/gcc-config:      2.11::gentoo
sys-kernel/linux-headers:  6.6::gentoo (virtual/os-headers)
sys-libs/musl:             1.2.3-r8::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    volatile: True
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-jobs: 1
    sync-rsync-extra-opts: 
    sync-rsync-verify-max-age: 3

Binary Repositories:

gentoobinhost
    priority: 1
    sync-uri: https://distfiles.gentoo.org/releases/amd64/binpackages/17.1/x86-64_musl

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="@FREE"
CBUILD="x86_64-gentoo-linux-musl"
CFLAGS="-march=x86-64 -O2 -pipe -g0"
CHOST="x86_64-gentoo-linux-musl"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/gconf /etc/gentoo-release /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=x86-64 -O2 -pipe -g0"
DISTDIR="/var/cache/distfiles"
ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME"
FCFLAGS="-march=x86-64 -O2 -pipe -g0"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync network-sandbox news parallel-fetch pid-sandbox pkgdir-index-trusted preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-march=x86-64 -O2 -pipe -g0"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
INSTALL_MASK="charset.alias /usr/share/locale/locale.alias"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LEX="flex"
PKGDIR="/var/cache/binpkgs"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
SHELL="/bin/bash"
USE="acl amd64 bzip2 cli crypt dri fortran iconv ipv6 libtirpc ncurses nls openmp pam pcre pic readline seccomp split-usr ssl test-rust unicode xattr zlib" ABI_X86="64" ADA_TARGET="gnat_2021" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_anon authn_dbm authn_file authz_dbm authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir env expires ext_filter file_cache filter headers include info log_config logio mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2" ELIBC="musl" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 ntrip navcom oceanserver oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 tsip tripmate tnt ublox" INPUT_DEVICES="libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz glk hd44780 lb216 lcdm001 mtxorb text" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-1" POSTGRES_TARGETS="postgres15" PYTHON_SINGLE_TARGET="python3_11" PYTHON_TARGETS="python3_11" RUBY_TARGETS="ruby31" VIDEO_CARDS="amdgpu fbdev intel nouveau radeon radeonsi vesa dummy" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipp2p iface geoip fuzzy condition tarpit sysrq proto logmark ipmark dhcpmac delude chaos account"
Comment 1 Ben Kohler gentoo-dev 2024-02-21 14:35:19 UTC
Doesn't it runtime detect what default target to use?  So this is just a quirk in the --help output?
Comment 2 Agostino Sarubbo gentoo-dev 2024-02-21 14:48:52 UTC
(In reply to Ben Kohler from comment #1)
> Doesn't it runtime detect what default target to use?  So this is just a
> quirk in the --help output?

No, it is not just a --help error, by default it runs x86_64-efi and I got error
Comment 3 Agostino Sarubbo gentoo-dev 2024-02-21 14:49:39 UTC
(In reply to Agostino Sarubbo from comment #2)
> No, it is not just a --help error, by default it runs x86_64-efi and I got
> error

Installing for x86_64-efi platform.
grub-install: error: cannot find EFI directory.
Comment 4 Ben Kohler gentoo-dev 2024-02-21 14:50:56 UTC
You're booted in EFI mode now though? And wanting it to default to pc/i386-pc?
Comment 5 Agostino Sarubbo gentoo-dev 2024-02-21 15:23:29 UTC
(In reply to Ben Kohler from comment #4)
> You're booted in EFI mode now though? And wanting it to default to
> pc/i386-pc?

Yes I booted in EFI (bios supports both uefi and legacy) and I want to install i386-pc

I thought that the default depend on GRUB_PLATFORMS instead of how it was booted. If that's not the case feel free to close.
Comment 6 Mike Gilbert gentoo-dev 2024-02-21 15:40:37 UTC
grub-install determines the default target/platform at runtime on x86(-64) systems.

https://git.savannah.gnu.org/cgit/grub.git/tree/grub-core/osdep/linux/platform.c?h=grub-2.12#n136

Basically, if /sys/firmware/efi is mounted it uses EFI. Otherwise it uses PC.

We set GRUB_PLATFORMS="efi-64 pc" in amd64 profiles to make this work either way by default.