Created attachment 675769 [details, diff] patch for letting clang compile project successfully A patch is attached. clang fails to compile the project since makeboot.c does not have a correct definition of check_msdos function. The patch repairs the compilation root:~/ # emerge --info [0:40:47] Portage 3.0.9 (python 3.6.12-final-0, default/linux/amd64/17.1/desktop/gnome/systemd, gcc-9.3.0, glibc-2.32-r2, 5.4.80-gentoo-dannftk x86_64) ================================================================= System uname: Linux-5.4.80-gentoo-dannftk-x86_64-Intel-R-_Core-TM-_i3-4005U_CPU_@_1.70GHz-with-gentoo-2.7 KiB Mem: 12184096 total, 4394316 free KiB Swap: 3590140 total, 2940668 free Head commit of repository gentoo: dc2a28c091b2d3907cbc64c43a80d63c1237c3a9 Timestamp of repository eclipse: Wed, 25 Nov 2020 18:29:09 +0000 Head commit of repository eclipse: a1f4fabedda98e882005d29ba09c2a78533c777c Timestamp of repository gig: Wed, 25 Nov 2020 18:29:25 +0000 Head commit of repository gig: 39a0982a153ba1f77801740becf52ec02151e908 Timestamp of repository jm-overlay: Wed, 25 Nov 2020 18:28:53 +0000 Head commit of repository jm-overlay: 38b23a0da8bc897f773867126e74a6ba804e8077 Timestamp of repository zugaina: Wed, 25 Nov 2020 18:28:49 +0000 Head commit of repository zugaina: 77b13d3574e180a42cae8248511da7587a313332 sh bash 5.0_p18 ld GNU gold (Gentoo 2.34 p6 2.34.0) 1.16 app-shells/bash: 5.0_p18::gentoo dev-java/java-config: 2.3.1::gentoo dev-lang/perl: 5.30.3::gentoo dev-lang/python: 2.7.18-r4::gentoo, 3.6.12::gentoo, 3.7.9::gentoo, 3.8.6::gentoo, 3.9.0::gentoo dev-util/cmake: 3.17.4-r1::gentoo dev-util/pkgconfig: 0.29.2::gentoo sys-apps/baselayout: 2.7::gentoo sys-apps/sandbox: 2.20::gentoo sys-devel/autoconf: 2.13-r1::gentoo, 2.69-r5::gentoo sys-devel/automake: 1.11.6-r3::gentoo, 1.12.6-r2::gentoo, 1.15.1-r2::gentoo, 1.16.2-r1::gentoo sys-devel/binutils: 2.34-r2::gentoo sys-devel/gcc: 9.3.0-r1::gentoo sys-devel/gcc-config: 2.3.2-r1::gentoo sys-devel/libtool: 2.4.6-r6::gentoo sys-devel/make: 4.2.1-r4::gentoo sys-kernel/linux-headers: 5.4-r1::gentoo (virtual/os-headers) sys-libs/glibc: 2.32-r2::gentoo Repositories: gentoo location: /usr/portage sync-type: git sync-uri: https://github.com/dannftk/gentoo.git priority: -1000 eclipse location: /var/db/repos/eclipse sync-type: git sync-uri: https://github.com/gentoo-mirror/eclipse.git masters: gentoo gig location: /var/db/repos/gig sync-type: git sync-uri: https://github.com/gentoo-mirror/gig.git masters: gentoo jm-overlay location: /var/db/repos/jm-overlay sync-type: git sync-uri: https://github.com/gentoo-mirror/jm-overlay.git masters: gentoo zugaina location: /var/db/repos/zugaina sync-type: git sync-uri: https://github.com/gentoo-mirror/zugaina.git masters: gentoo ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="@FREE" CBUILD="x86_64-pc-linux-gnu" CC="clang" CFLAGS="-O2 -pipe -march=native -mtune=generic" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /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/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXX="clang++" CXXFLAGS="-O2 -pipe -march=native -mtune=generic -std=gnu++17" DISTDIR="/usr/portage/distfiles" ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY 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" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms sign strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="en_US.UTF-8" LDFLAGS=" -fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind" LINGUAS="en ru" MAKEOPTS="-j5" 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" USE="X a52 aac acl acpi alsa amd64 berkdb bluetooth branding bzip2 cairo cdda cdr clang cli colord compiler-rt crypt cups dbus default-compiler-rt default-libcxx default-lld dri dts dvd dvdr eds emboss encode evo exif extensions flac fortran gdbm gdm gif gnome gnome-keyring gnome-online-accounts gpm gstreamer gtk gui hal i915 i965 iconv icu infinality intel introspection ipv4 ipv6 ithreads java jce jpeg lcms libcxx libcxxabi libglvnd libnotify libsecret libtirpc libunwind llvm mad mng mp3 mp4 mpeg multilib nautilus ncurses networkmanager nls nptl nsplugini ogg opengl openmp pam pango pcre pcre16 pdf png policykit ppds pulseaudio qt5 readline sdl seccomp spell split-usr ssh ssl startup-notification svg system-bootstrap system-llvm systemd tcpd tiff tracker truetype udev udisks unicode upnp-av upower usb user-session vorbis wxwidgets x264 xattr xcb xinerema xml xmp xorg xv xvid zlib zsh-completion" ABI_X86="64" ADA_TARGET="gnat_2018" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" 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" APACHE2_MPMS="prefork" 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 sse sse2 sse3 sse4_1 sse4_2 ssse3" 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 pc" INPUT_DEVICES="keyboard mouse synaptics evdev libinput" KERNEL="linux" L10N="en ru zh-CN" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LLVM_TARGETS="X86" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-2 php7-3 php7-4" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_7" PYTHON_TARGETS="python3_6 python3_7" RUBY_TARGETS="ruby26" USERLAND="GNU" VIDEO_CARDS="intel" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
