LLVM system with clang-17 Reproducible: Always Steps to Reproduce: 1.Use clang 17 2.emerge nettle with ABI_X86=32 Actual Results: It fails Expected Results: It builds Portage 3.0.50 (python 3.11.4-final-0, default/linux/amd64/17.1/desktop/plasma, gcc-13, glibc-2.37-r4, 6.4.8-gentoo-dist x86_64) ================================================================= System uname: Linux-6.4.8-gentoo-dist-x86_64-AMD_Ryzen_7_5800U_with_Radeon_Graphics-with-glibc2.37 KiB Mem: 14168652 total, 9774628 free KiB Swap: 20971516 total, 19904664 free Timestamp of repository gentoo: Sat, 12 Aug 2023 09:16:33 +0000 Head commit of repository gentoo: 103a2c8daae4d66d90a2ecc5dc52d24eb0a4f01f Head commit of repository parona-overlay: 9be9fca4583c51540e3a89772a4c408dd39aae73 Timestamp of repository src_prepare-overlay: Sat, 12 Aug 2023 02:01:33 +0000 Head commit of repository src_prepare-overlay: 4f06db29fb2d0a9231ce92fb637db717acac57b9 sh bash 5.2_p15-r6 ld GNU ld (Gentoo 2.40 p6) 2.40.0 app-misc/pax-utils: 1.3.7::gentoo app-shells/bash: 5.2_p15-r6::gentoo dev-lang/perl: 5.38.0-r1::gentoo dev-lang/python: 3.11.4::gentoo, 3.12.0_rc1_p1::gentoo dev-lang/rust-bin: 1.71.1::gentoo dev-util/cmake: 3.27.2::gentoo dev-util/meson: 1.2.1::gentoo sys-apps/baselayout: 2.14::gentoo sys-apps/openrc: 0.48::gentoo sys-apps/sandbox: 2.38::gentoo sys-devel/autoconf: 2.13-r8::gentoo, 2.71-r7::gentoo sys-devel/automake: 1.16.5-r1::gentoo sys-devel/binutils: 2.40-r7::gentoo, 2.41-r1::gentoo sys-devel/binutils-config: 5.5::gentoo sys-devel/clang: 15.0.7-r3::gentoo, 16.0.6::gentoo, 17.0.0_rc2::gentoo sys-devel/gcc: 13.2.0::gentoo sys-devel/gcc-config: 2.11::gentoo sys-devel/libtool: 2.4.7-r1::gentoo sys-devel/lld: 15.0.7::gentoo, 16.0.6::gentoo, 17.0.0_rc2::gentoo sys-devel/llvm: 15.0.7-r3::gentoo, 16.0.6::gentoo, 17.0.0_rc2::gentoo sys-devel/make: 4.4.1-r1::gentoo sys-kernel/linux-headers: 6.4::gentoo (virtual/os-headers) sys-libs/glibc: 2.37-r4::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: git sync-uri: https://github.com/gentoo-mirror/gentoo.git priority: -1000 volatile: False parona-overlay location: /var/db/repos/parona-overlay sync-type: git sync-uri: https://gitlab.com/Parona/parona-overlay.git masters: gentoo volatile: False src_prepare-overlay location: /var/db/repos/src_prepare-overlay sync-type: git sync-uri: https://github.com/gentoo-mirror/src_prepare-overlay.git masters: gentoo volatile: False Installed sets: @llvm ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="@FREE" ADDR2LINE="llvm-addr2line" AR="llvm-ar" AS="clang -c" CBUILD="x86_64-pc-linux-gnu" CC="clang" CFLAGS="-O3 -pipe -march=znver3 -flto=thin" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /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 /etc/terminfo" CPP="clang-cpp" CXX="clang++" CXXFLAGS="-O3 -pipe -march=znver3 -flto=thin" 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="-O3 -pipe -march=znver3 -flto=thin" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live candy clean-logs compress-build-logs config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch parallel-install pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms split-elog split-log strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O3 -pipe -march=znver3 -flto=thin" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="en_GB.utf8" LD="ld.lld" LDFLAGS="-Wl,-O1 -Wl,--as-needed -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0" LEX="flex" MAKEOPTS="-j16 -l17" NM="llvm-nm" OBJCOPY="llvm-objcopy" OBJDUMP="llvm-objdump" 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" RANLIB="llvm-ranlib" READELF="llvm-readelf" SHELL="/bin/bash" STRINGS="llvm-strings" STRIP="llvm-strip" USE="a52 aac acl acpi activities alsa amd64 bluetooth branding bzip2 cairo cdda cdr clang cli crypt cups dbus declarative dri dts dvd dvdr elogind encode exif flac fortran gdbm gif gpm grub gtk gui iconv icu ipv6 jpeg kde kwallet lcms libnotify libtirpc llvm-libunwind mad mng mp3 mp4 mpeg multilib ncurses nls nptl ogg opengl openmp pam pango pcre pdf pipewire plasma png policykit ppds pulseaudio qml qt5 readline screencast sdl seccomp semantic-desktop sound spell split-usr ssl startup-notification svg test-rust tiff truetype udev udisks unicode upower usb vorbis vulkan wayland widgets wxwidgets x264 xattr xcb xft xml xv xvid zlib" ABI_X86="64" ADA_TARGET="gnat_2021" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache 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="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" 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 v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: ARFLAGS, ASFLAGS, CCLD, CONFIG_SHELL, CPPFLAGS, CTARGET, CXXFILT, ELFEDIT, EMERGE_DEFAULT_OPTS, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RUSTFLAGS, SIZE, YACC, YFLAGS
Created attachment 867804 [details] dev-libs/nettle-3.9.1 build.log
Difference between clang-17 and clang-16. lane /var/tmp/portage/dev-libs/nettle-3.9.1/work/nettle-3.9.1-abi_x86_32.x86 # /usr/lib/llvm/17/bin/clang -m32 -mfpmath=sse -I. -DHAVE_CONFIG_H -O3 -pipe -march=znver3 -flto=thin -Wall -W -Wno-sign-compare -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes -Wpointer-arith -Wbad-function-cast -Wnested-externs -fpic -c aes-decrypt-internal.s clang: error: unsupported option '-mfpmath=' for target 'x86_64-pc-linux-gnu' clang: warning: argument unused during compilation: '-D HAVE_CONFIG_H' [-Wunused-command-line-argument] lane /var/tmp/portage/dev-libs/nettle-3.9.1/work/nettle-3.9.1-abi_x86_32.x86 # /usr/lib/llvm/16/bin/clang -m32 -mfpmath=sse -I. -DHAVE_CONFIG_H -O3 -pipe -march=znver3 -flto=thin -Wall -W -Wno-sign-compare -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes -Wpointer-arith -Wbad-function-cast -Wnested-externs -fpic -c aes-decrypt-internal.s clang-16: warning: argument unused during compilation: '-mfpmath=sse' [-Wunused-command-line-argument] clang-16: warning: argument unused during compilation: '-D HAVE_CONFIG_H' [-Wunused-command-line-argument]
I think your clang is broken. It works fine for me without any warning. % x86_64-pc-linux-gnu-clang --version clang version 16.0.6 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/16/bin Configuration file: /etc/clang/clang.cfg % x86_64-pc-linux-gnu-clang -m32 -mfpmath=sse -c foo.c; echo $? 0
ask@lane ~ $ x86_64-pc-linux-gnu-clang-16 --version clang version 16.0.6 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/16/bin Configuration file: /etc/clang/clang.cfg ask@lane ~ $ x86_64-pc-linux-gnu-clang-17 --version clang version 17.0.0 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/17/bin Configuration file: /etc/clang/clang.cfg ask@lane ~ $ x86_64-pc-linux-gnu-clang-16 -m32 -mfpmath=sse -c foo.s; echo $? clang-16: warning: argument unused during compilation: '-mfpmath=sse' [-Wunused-command-line-argument] 0 ask@lane ~ $ x86_64-pc-linux-gnu-clang-17 -m32 -mfpmath=sse -c foo.s; echo $? x86_64-pc-linux-gnu-clang-17: error: unsupported option '-mfpmath=' for target 'x86_64-pc-linux-gnu' 1 I don't think so, but I could be wrong. I get this failure elsewhere as well.
Giving this to the llvm project; I don't think this has anything to do with nettle specifically. Please provide emerge --info sys-devel/llvm sys-devel/clang
Portage 3.0.50 (python 3.11.4-final-0, default/linux/amd64/17.1/desktop/plasma, gcc-13, glibc-2.37-r4, 6.4.8-gentoo-dist x86_64) ================================================================= System Settings ================================================================= System uname: Linux-6.4.8-gentoo-dist-x86_64-AMD_Ryzen_7_5800U_with_Radeon_Graphics-with-glibc2.37 KiB Mem: 14168652 total, 3815752 free KiB Swap: 20971516 total, 19993240 free Timestamp of repository gentoo: Sat, 12 Aug 2023 09:16:33 +0000 Head commit of repository gentoo: 103a2c8daae4d66d90a2ecc5dc52d24eb0a4f01f Head commit of repository parona-overlay: 9be9fca4583c51540e3a89772a4c408dd39aae73 Timestamp of repository src_prepare-overlay: Sat, 12 Aug 2023 02:01:33 +0000 Head commit of repository src_prepare-overlay: 4f06db29fb2d0a9231ce92fb637db717acac57b9 sh bash 5.2_p15-r6 ld GNU ld (Gentoo 2.40 p6) 2.40.0 app-misc/pax-utils: 1.3.7::gentoo app-shells/bash: 5.2_p15-r6::gentoo dev-lang/perl: 5.38.0-r1::gentoo dev-lang/python: 3.11.4::gentoo, 3.12.0_rc1_p1::gentoo dev-lang/rust-bin: 1.71.1::gentoo dev-util/cmake: 3.27.2::gentoo dev-util/meson: 1.2.1::gentoo sys-apps/baselayout: 2.14::gentoo sys-apps/openrc: 0.48::gentoo sys-apps/sandbox: 2.38::gentoo sys-devel/autoconf: 2.13-r8::gentoo, 2.71-r7::gentoo sys-devel/automake: 1.16.5-r1::gentoo sys-devel/binutils: 2.40-r7::gentoo, 2.41-r1::gentoo sys-devel/binutils-config: 5.5::gentoo sys-devel/clang: 15.0.7-r3::gentoo, 16.0.6::gentoo, 17.0.0_rc2::gentoo sys-devel/gcc: 13.2.0::gentoo sys-devel/gcc-config: 2.11::gentoo sys-devel/libtool: 2.4.7-r1::gentoo sys-devel/lld: 15.0.7::gentoo, 16.0.6::gentoo, 17.0.0_rc2::gentoo sys-devel/llvm: 15.0.7-r3::gentoo, 16.0.6::gentoo, 17.0.0_rc2::gentoo sys-devel/make: 4.4.1-r1::gentoo sys-kernel/linux-headers: 6.4::gentoo (virtual/os-headers) sys-libs/glibc: 2.37-r4::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: git sync-uri: https://github.com/gentoo-mirror/gentoo.git priority: -1000 volatile: False parona-overlay location: /var/db/repos/parona-overlay sync-type: git sync-uri: https://gitlab.com/Parona/parona-overlay.git masters: gentoo volatile: False src_prepare-overlay location: /var/db/repos/src_prepare-overlay sync-type: git sync-uri: https://github.com/gentoo-mirror/src_prepare-overlay.git masters: gentoo volatile: False Installed sets: @llvm ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="@FREE" ADDR2LINE="llvm-addr2line" AR="llvm-ar" AS="clang -c" CBUILD="x86_64-pc-linux-gnu" CC="clang" CFLAGS="-O3 -pipe -march=znver3 -flto=thin" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /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 /etc/terminfo" CPP="clang-cpp" CXX="clang++" CXXFLAGS="-O3 -pipe -march=znver3 -flto=thin" 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="-O3 -pipe -march=znver3 -flto=thin" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live candy clean-logs compress-build-logs config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch parallel-install pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms split-elog split-log strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O3 -pipe -march=znver3 -flto=thin" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="en_GB.utf8" LD="ld.lld" LDFLAGS="-Wl,-O1 -Wl,--as-needed -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0" LEX="flex" MAKEOPTS="-j16 -l17" NM="llvm-nm" OBJCOPY="llvm-objcopy" OBJDUMP="llvm-objdump" 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" RANLIB="llvm-ranlib" READELF="llvm-readelf" SHELL="/bin/bash" STRINGS="llvm-strings" STRIP="llvm-strip" USE="a52 aac acl acpi activities alsa amd64 bluetooth branding bzip2 cairo cdda cdr clang cli crypt cups dbus declarative dri dts dvd dvdr elogind encode exif flac fortran gdbm gif gpm grub gtk gui iconv icu ipv6 jpeg kde kwallet lcms libnotify libtirpc llvm-libunwind mad mng mp3 mp4 mpeg multilib ncurses nls nptl ogg opengl openmp pam pango pcre pdf pipewire plasma png policykit ppds pulseaudio qml qt5 readline screencast sdl seccomp semantic-desktop sound spell split-usr ssl startup-notification svg test-rust tiff truetype udev udisks unicode upower usb vorbis vulkan wayland widgets wxwidgets x264 xattr xcb xft xml xv xvid zlib" ABI_X86="64" ADA_TARGET="gnat_2021" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache 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="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" 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 v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: ARFLAGS, ASFLAGS, CCLD, CONFIG_SHELL, CPPFLAGS, CTARGET, CXXFILT, ELFEDIT, EMERGE_DEFAULT_OPTS, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RUSTFLAGS, SIZE, YACC, YFLAGS ================================================================= Package Settings ================================================================= sys-devel/llvm-15.0.7-r3::gentoo was built with the following: USE="libffi ncurses xml -binutils-plugin -debug -doc -exegesis -libedit -test -verify-sig -xar -z3 -zstd" ABI_X86="(64) -32 (-x32)" LLVM_TARGETS="(AArch64) (AMDGPU) (ARM) (AVR) (BPF) (Hexagon) (Lanai) (MSP430) (Mips) (NVPTX) (PowerPC) (RISCV) (Sparc) (SystemZ) (VE) (WebAssembly) (X86) (XCore) (-ARC) (-CSKY) (-DirectX) (-LoongArch) (-M68k) (-SPIRV)" FEATURES="network-sandbox binpkg-dostrip userfetch pid-sandbox unmerge-logs distlocks ipc-sandbox binpkg-docompress parallel-install split-elog assume-digests clean-logs ebuild-locks sandbox userpriv binpkg-multi-instance protect-owned news binpkg-logs config-protect-if-modified preserve-libs qa-unresolved-soname-deps unmerge-orphans merge-sync compress-build-logs parallel-fetch multilib-strict sfperms candy xattr split-log fixlafiles unknown-features-warn buildpkg-live strict usersync usersandbox" sys-devel/llvm-16.0.6::gentoo was built with the following: USE="libffi ncurses xml -binutils-plugin -debug -doc -exegesis -libedit -test -verify-sig -xar -z3 -zstd" ABI_X86="32 (64) (-x32)" LLVM_TARGETS="(AArch64) (AMDGPU) (ARM) (AVR) (BPF) (Hexagon) (Lanai) (LoongArch) (MSP430) (Mips) (NVPTX) (PowerPC) (RISCV) (Sparc) (SystemZ) (VE) (WebAssembly) (X86) (XCore) (-ARC) (-CSKY) (-DirectX) (-M68k) (-SPIRV) (-Xtensa)" FEATURES="split-log preserve-libs unknown-features-warn userfetch fixlafiles multilib-strict buildpkg-live split-elog clean-logs usersync parallel-fetch binpkg-docompress news protect-owned config-protect-if-modified pid-sandbox sfperms userpriv sandbox xattr binpkg-dostrip strict compress-build-logs network-sandbox ebuild-locks unmerge-orphans ipc-sandbox usersandbox merge-sync parallel-install candy assume-digests distlocks unmerge-logs binpkg-logs binpkg-multi-instance qa-unresolved-soname-deps" sys-devel/llvm-17.0.0_rc2::gentoo was built with the following: USE="debug doc libffi ncurses xml -binutils-plugin -debuginfod -exegesis -libedit -test -verify-sig -xar -z3 -zstd" ABI_X86="32 (64) (-x32)" LLVM_TARGETS="(AArch64) (AMDGPU) (ARM) (AVR) (BPF) (Hexagon) (Lanai) (LoongArch) (MSP430) (Mips) (NVPTX) (PowerPC) (RISCV) (Sparc) (SystemZ) (VE) (WebAssembly) (X86) (XCore) -ARC -CSKY -DirectX -M68k -SPIRV -Xtensa" FEATURES="strict parallel-fetch userpriv usersync parallel-install split-elog news sandbox usersandbox multilib-strict userfetch assume-digests compress-build-logs ipc-sandbox unmerge-orphans split-log ebuild-locks merge-sync unknown-features-warn network-sandbox binpkg-logs preserve-libs qa-unresolved-soname-deps unmerge-logs binpkg-multi-instance clean-logs binpkg-docompress distlocks fixlafiles sfperms candy binpkg-dostrip pid-sandbox protect-owned buildpkg-live config-protect-if-modified xattr" sys-devel/clang-15.0.7-r3::gentoo was built with the following: USE="extra (pie) static-analyzer xml -debug -doc (-ieee-long-double) -test -verify-sig" ABI_X86="(64) -32 (-x32)" LLVM_TARGETS="(AArch64) (AMDGPU) (ARM) (AVR) (BPF) (Hexagon) (Lanai) (MSP430) (Mips) (NVPTX) (PowerPC) (RISCV) (Sparc) (SystemZ) (VE) (WebAssembly) (X86) (XCore) (-ARC) (-CSKY) (-DirectX) (-LoongArch) (-M68k) (-SPIRV)" PYTHON_SINGLE_TARGET="python3_11 -python3_10" FEATURES="network-sandbox binpkg-dostrip userfetch pid-sandbox unmerge-logs distlocks ipc-sandbox binpkg-docompress parallel-install split-elog assume-digests clean-logs ebuild-locks sandbox userpriv binpkg-multi-instance protect-owned news binpkg-logs config-protect-if-modified preserve-libs qa-unresolved-soname-deps unmerge-orphans merge-sync compress-build-logs parallel-fetch multilib-strict sfperms candy xattr split-log fixlafiles unknown-features-warn buildpkg-live strict usersync usersandbox" sys-devel/clang-16.0.6::gentoo was built with the following: USE="extra (pie) static-analyzer xml -debug -doc (-ieee-long-double) -test -verify-sig" ABI_X86="(64) -32 (-x32)" LLVM_TARGETS="(AArch64) (AMDGPU) (ARM) (AVR) (BPF) (Hexagon) (Lanai) (LoongArch) (MSP430) (Mips) (NVPTX) (PowerPC) (RISCV) (Sparc) (SystemZ) (VE) (WebAssembly) (X86) (XCore) (-ARC) (-CSKY) (-DirectX) (-M68k) (-SPIRV) (-Xtensa)" PYTHON_SINGLE_TARGET="python3_11 -python3_10 -python3_12" FEATURES="split-log preserve-libs unknown-features-warn userfetch fixlafiles multilib-strict buildpkg-live split-elog clean-logs usersync parallel-fetch binpkg-docompress news protect-owned config-protect-if-modified pid-sandbox sfperms userpriv sandbox xattr binpkg-dostrip strict compress-build-logs network-sandbox ebuild-locks unmerge-orphans ipc-sandbox usersandbox merge-sync parallel-install candy assume-digests distlocks unmerge-logs binpkg-logs binpkg-multi-instance qa-unresolved-soname-deps" sys-devel/clang-17.0.0_rc2::gentoo was built with the following: USE="debug doc extra (pie) static-analyzer xml (-ieee-long-double) -test -verify-sig" ABI_X86="(64) -32 (-x32)" LLVM_TARGETS="(AArch64) (AMDGPU) (ARM) (AVR) (BPF) (Hexagon) (Lanai) (LoongArch) (MSP430) (Mips) (NVPTX) (PowerPC) (RISCV) (Sparc) (SystemZ) (VE) (WebAssembly) (X86) (XCore) -ARC -CSKY -DirectX -M68k -SPIRV -Xtensa" PYTHON_SINGLE_TARGET="python3_11 -python3_10 -python3_12" FEATURES="strict parallel-fetch userpriv usersync parallel-install split-elog news sandbox usersandbox multilib-strict userfetch assume-digests compress-build-logs ipc-sandbox unmerge-orphans split-log ebuild-locks merge-sync unknown-features-warn network-sandbox binpkg-logs preserve-libs qa-unresolved-soname-deps unmerge-logs binpkg-multi-instance clean-logs binpkg-docompress distlocks fixlafiles sfperms candy binpkg-dostrip pid-sandbox protect-owned buildpkg-live config-protect-if-modified xattr"
I wonder if this is caused by some strange setting in /etc/clang.
Oh, I overlooked the fact that it is failing on an assembly (.s) file, not a C file. I can reproduce the warning with clang-16 when I attempt the same test with a .s file. % clang -m32 -mfpmath=sse -c foo.s clang-16: warning: argument unused during compilation: '-mfpmath=sse' [-Wunused-command-line-argument]
(In reply to Mike Gilbert from comment #7) > I wonder if this is caused by some strange setting in /etc/clang. We set mfpmath in profiles for multilib.
(In reply to Sam James from comment #9) > We set mfpmath in profiles for multilib. That should be a valid option for both gcc and clang. clang accepts it when building .c files, but not .s files for some unknown reason.
My question regarding /etc/clang was not about the source of the -mfpmath option, but rather about some other setting that would cause clang to reject the -mfpmath option.
Could you file this upstream? Maskray said in -toolchain that this is at least semi unintentional.
Resolved upstream and merged in 17.0.0_rc4 and 17.0.1.
