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Bug 949955

Summary: net-misc/openssh-9.9_p2: Warnings with mold - mold: warning: unknown command line option: -z retpolineplt
Product: Gentoo Linux Reporter: zyxhere <zyx>
Component: Current packagesAssignee: Gentoo's Team for Core System packages <base-system>
Status: UNCONFIRMED ---    
Severity: normal CC: jinghao7
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---
Bug Depends on:    
Bug Blocks: 830404    

Description zyxhere 2025-02-19 02:28:12 UTC 
x86_64-pc-linux-gnu-cc -o ssh-keyscan ssh-keyscan.o ssh-sk-client.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lssh -lmd  -lssl -lcrypto  -lz
mold: warning: unknown command line option: -z retpolineplt
mold: warning: unknown command line option: -z retpolineplt
mold: warning: unknown command line option: -z retpolineplt
mold: warning: unknown command line option: -z retpolineplt
mold: warning: unknown command line option: -z retpolineplt
x86_64-pc-linux-gnu-cc -o ssh-keysign ssh-keysign.o readconf.o uidswap.o ssh-sk-client.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lmd  -lssl -lcrypto  -lz
mold: warning: unknown command line option: -z retpolineplt
x86_64-pc-linux-gnu-cc -o ssh-agent ssh-agent.o ssh-pkcs11-client.o ssh-sk-client.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lmd  -lssl -lcrypto  -lz
x86_64-pc-linux-gnu-cc -o sftp-server sftp-common.o sftp-server.o sftp-server-main.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lssh -lmd 
mold: warning: unknown command line option: -z retpolineplt
mold: warning: unknown command line option: -z retpolineplt
x86_64-pc-linux-gnu-cc -o ssh-sk-helper ssh-sk-helper.o ssh-sk.o sk-usbhid.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lssh -lopenbsd-compat -lmd   -lssl -lcrypto  -lz
x86_64-pc-linux-gnu-cc -o ssh-pkcs11-helper ssh-pkcs11-helper.o ssh-pkcs11.o ssh-sk-client.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lssh -lopenbsd-compat -lmd  -lssl -lcrypto  -lz
mold: warning: unknown command line option: -z retpolineplt
mold: warning: unknown command line option: -z retpolineplt
x86_64-pc-linux-gnu-cc -o scp scp.o progressmeter.o sftp-common.o sftp-client.o sftp-glob.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lmd 
mold: warning: unknown command line option: -z retpolineplt
x86_64-pc-linux-gnu-cc -o sftp sftp.o sftp-usergroup.o progressmeter.o sftp-common.o sftp-client.o sftp-glob.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lmd  
mold: warning: unknown command line option: -z retpolineplt
x86_64-pc-linux-gnu-cc -o ssh-keygen ssh-keygen.o sshsig.o ssh-sk-client.o -L. -Lopenbsd-compat/ -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -Wl,-z,retpolineplt -fstack-protector-strong -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold -pie  -lssh -lopenbsd-compat -lmd  -lssl -lcrypto  -lz
mold: warning: unknown command line option: -z retpolineplt
>>> Source compiled.

Portage 3.0.66.1 (python 3.12.8-final-0, default/linux/amd64/23.0/no-multilib/hardened/systemd, gcc-14, glibc-2.40-r8, 6.12.12-gentoo-dist-hardened x86_64)
=================================================================
                         System Settings
=================================================================
System uname: Linux-6.12.12-gentoo-dist-hardened-x86_64-12th_Gen_Intel-R-_Core-TM-_i5-1235U-with-glibc2.40
KiB Mem:    11958936 total,   3185092 free
KiB Swap:   11958608 total,  11956304 free
Timestamp of repository gentoo: Tue, 18 Feb 2025 23:03:41 +0000
Head commit of repository gentoo: 337dce5a312cef1fc18d058ebfe10b267c77d95d

Head commit of repository guru: 181d6413996fc93494d39a22ad845dc458a50f6c

sh bash 5.2_p37
ld GNU ld (Gentoo 2.43 p3) 2.43.1
app-misc/pax-utils:        1.3.8::gentoo
app-shells/bash:           5.2_p37::gentoo
dev-build/autoconf:        2.13-r8::gentoo, 2.72-r1::gentoo
dev-build/automake:        1.16.5-r2::gentoo
dev-build/cmake:           3.30.6::gentoo
dev-build/libtool:         2.5.4::gentoo
dev-build/make:            4.4.1-r100::gentoo
dev-build/meson:           1.6.1::gentoo
dev-lang/perl:             5.40.0-r1::gentoo
dev-lang/python:           3.12.8_p1::gentoo, 3.13.1_p1::gentoo
dev-lang/rust-bin:         1.83.0-r1::gentoo
llvm-core/clang:           19.1.7::gentoo
llvm-core/llvm:            19.1.7::gentoo
sys-apps/baselayout:       2.17::gentoo
sys-apps/sandbox:          2.39::gentoo
sys-apps/systemd:          256.10::gentoo
sys-devel/binutils:        2.43-r2::gentoo
sys-devel/binutils-config: 5.5.2::gentoo
sys-devel/gcc:             14.2.1_p20250215::gentoo, 15.0.1_pre20250216::gentoo
sys-devel/gcc-config:      2.12.1::gentoo
sys-kernel/linux-headers:  6.12::gentoo (virtual/os-headers)
sys-libs/glibc:            2.40-r8::gentoo
Repositories:

gentoo
    location: /var/db/repos/gentoo
    sync-type: git
    sync-uri: https://anongit.gentoo.org/git/repo/sync/gentoo.git
    priority: -1000
    volatile: False

guru
    location: /var/db/repos/guru
    sync-type: git
    sync-uri: https://anongit.gentoo.org/git/repo/proj/guru.git
    masters: gentoo
    volatile: False

local
    location: /var/db/repos/local
    masters: gentoo
    volatile: False

Installed sets: @base, @extra, @gnomie, @utils
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="@FREE"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe -flto=auto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/sandbox.d"
CXXFLAGS="-march=native -O2 -pipe -flto=auto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
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=native -O2 -pipe -flto=auto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
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 merge-wait multilib-strict 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=native -O2 -pipe -flto=auto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="C.UTF8"
LD="ld.mold"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -flto=auto -fuse-ld=mold"
LEX="flex"
LIBTOOL="rlibtool"
MAKE="make LIBTOOL=rlibtool"
MAKEFLAGS="LIBTOOL=rlibtool"
MAKEOPTS="-j8 -l10"
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"
RUSTFLAGS="-C target-cpu=native"
SHELL="/bin/bash"
USE="acl amd64 aom avif bzip2 cet crypt cryptsetup dbus dist-kernel flac fontconfig gdbm gdk-pixbuf gif gles2 gnome gnome-keyring gstreamer gtk gtk4 hardened harfbuzz iconv icu io-uring ipv6 jpeg jpegxl keyring lcms libtirpc lto lz4 lzma lzo modemmanager ncurses networkmanager nls opengl openmp opus orc pam pcre pdf pgo pic pie pipewire png policykit profile readline screencast seccomp sound spell ssl ssp svg systemd test-rust tiff tpm udev udisks unicode upower usb vaapi vpx vulkan wayland webp xattr xml xtpax zlib zstd" ABI_X86="64" ADA_TARGET="gcc_13" 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="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt rdrand sha sse sse2 sse3 sse4_1 sse4_2 ssse3 vpclmulqdq" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax navcom oceanserver oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 tsip tripmate tnt ublox" GUILE_SINGLE_TARGET="3-0" GUILE_TARGETS="3-0" INPUT_DEVICES="libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz glk hd44780 lb216 lcdm001 mtxorb text" LLVM_TARGETS="AMDGPU X86 WebAssembly" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-2" POSTGRES_TARGETS="postgres16" PYTHON_SINGLE_TARGET="python3_12" PYTHON_TARGETS="python3_12" RUBY_TARGETS="ruby32" VIDEO_CARDS="intel" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipp2p iface geoip fuzzy condition tarpit sysrq proto logmark ipmark dhcpmac delude chaos account"
Unset:  ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EMERGE_DEFAULT_OPTS, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LFLAGS, LINGUAS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PYTHONPATH, RANLIB, READELF, SIZE, STRINGS, STRIP, YACC, YFLAGS

=================================================================
                        Package Settings
=================================================================

net-misc/openssh-9.9_p2::gentoo was built with the following:
USE="pam (pie) ssl -audit (-debug) -kerberos -ldns -legacy-ciphers -libedit -livecd -security-key (-selinux) -static -test -verify-sig (-xmss)"
Comment 1 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2025-02-19 18:28:55 UTC 
openssh:
```
    if test "x$use_retpoline" = "x1"; then
	OSSH_CHECK_CFLAG_COMPILE([-mretpoline]) # clang
	OSSH_CHECK_LDFLAG_LINK([-Wl,-z,retpolineplt])
    fi
```

They may need to do -Wl,--fatal-warnings or something in their check.
Comment 2 Jinghao Jia 2025-02-19 18:43:27 UTC 
Submitted a feature request to upstream:
https://github.com/rui314/mold/issues/1417