Bug 802030 – kde-frameworks/kio-5.84.0: failed to compile with clang[default-libcxx]

• Product: Gentoo Linux
• Status: RESOLVED FIXED

[Description 12101111 2021-07-13 16:10:28 UTC]

The code is compiled in c++17 mode, and std::mem_fun is removed in c++17: https://en.cppreference.com/w/cpp/utility/functional/mem_fun

Reproducible: Always

Steps to Reproduce:
1. install sys-devel/clang with default-libcxx
2. CC=clang CXX=clang++
3. emerge kde-frameworks/kio
Actual Results:  
../kio-5.84.0/src/widgets/kpropertiesdialog.cpp:2275:74: error: no member named 'mem_fun' in namespace 'std'; did you mean 'mem_fn'?
        std::for_each(theNotSpecials.begin(), theNotSpecials.end(), std::mem_fun(&QWidget::hide));
                                                                    ~~~~~^~~~~~~
                                                                         mem_fn
/usr/include/c++/v1/functional:1410:1: note: 'mem_fn' declared here
mem_fn(_Rp _Tp::* __pm) _NOEXCEPT
^
1 error generated.



Portage 3.0.20 (python 3.9.6-final-0, default/linux/amd64/17.0/musl, gcc-12.0.1, musl-1.2.2-r2, 5.12.13-zen+ x86_64)
=================================================================
System uname: Linux-5.12.13-zen+-x86_64-Intel-R-_Core-TM-_i5-6300HQ_CPU_@_2.30GHz-with-libc
KiB Mem:    24365728 total,   8840768 free
KiB Swap:    6291452 total,   5386752 free
Timestamp of repository gentoo: Tue, 13 Jul 2021 14:36:48 +0000
Head commit of repository gentoo: ee9258402b91110646edccfaf635bce7b64b84f6

Timestamp of repository gentoo-zh: Tue, 13 Jul 2021 10:36:35 +0000
Head commit of repository gentoo-zh: 63538c9d234f0a61e9c88ccfbbd3b97bec958086

Timestamp of repository guru: Tue, 13 Jul 2021 11:22:24 +0000
Head commit of repository guru: a5f072ae94f66d72ce65045d1060af08f67bf73d

Timestamp of repository mv: Mon, 12 Jul 2021 15:08:39 +0000
Head commit of repository mv: ff9d70e98e065b3017bf697b3a785cff09ed99cf

Timestamp of repository pg_overlay: Mon, 12 Jul 2021 15:08:43 +0000
Head commit of repository pg_overlay: 65c619845c2de887bc73b44f6e4a73c539e70246

Timestamp of repository musl: Mon, 12 Jul 2021 15:08:39 +0000
Head commit of repository musl: 6f46041318f611d1962911d38a9fbd34e010323a

sh bash 5.1_p8
ld LLD 12.0.1 (compatible with GNU linkers)
ccache version 4.3 [enabled]
app-shells/bash:          5.1_p8::gentoo
dev-java/java-config:     2.3.1::gentoo
dev-lang/perl:            5.34.0::gentoo
dev-lang/python:          2.7.18_p11::pg_overlay, 3.9.6::pg_overlay
dev-lang/rust:            1.53.0::12101111-overlay
dev-util/ccache:          4.3-r2::gentoo
dev-util/cmake:           3.20.5::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.7-r3::gentoo
sys-apps/openrc:          0.43.3::gentoo
sys-apps/sandbox:         2.24::gentoo
sys-devel/autoconf:       2.13-r1::gentoo, 2.69-r5::gentoo
sys-devel/automake:       1.16.3-r1::gentoo
sys-devel/binutils:       2.36.1-r1::12101111-overlay
sys-devel/gcc-config:     2.4::gentoo
sys-devel/libtool:        2.4.6-r6::gentoo
sys-devel/make:           4.3::gentoo
sys-kernel/linux-headers: 5.13::gentoo (virtual/os-headers)
sys-libs/musl:            1.2.2-r2::gentoo
Repositories:

gentoo
    location: /usr/portage/gentoo
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/gentoo
    priority: -1000

gentoo-zh
    location: /usr/portage/gentoo-zh
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/gentoo-zh.git
    masters: gentoo

guru
    location: /usr/portage/guru
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/guru.git
    masters: gentoo

mv
    location: /usr/portage/mv
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/mv.git
    masters: gentoo

pg_overlay
    location: /usr/portage/pg_overlay
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/pg_overlay.git
    masters: gentoo

musl
    location: /usr/portage/musl
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/musl.git
    masters: gentoo
    priority: 900

12101111-overlay
    location: /usr/portage/local
    masters: gentoo
    priority: 1000

ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="@FREE"
CBUILD="x86_64-gentoo-linux-musl"
CFLAGS="-march=skylake -mtune=skylake -O3 -pipe -falign-functions=32 -fomit-frame-pointer -ffunction-sections -fdata-sections -flto=thin"
CHOST="x86_64-gentoo-linux-musl"
CONFIG_PROTECT="/etc /usr/lib/libreoffice/program/sofficerc /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/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="-march=skylake -mtune=skylake -O3 -pipe -falign-functions=32 -fomit-frame-pointer -ffunction-sections -fdata-sections -flto=thin -stdlib=libc++"
DISTDIR="/var/cache/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 binpkg-multi-instance candy ccache config-protect-if-modified distlocks downgrade-backup ebuild-locks fixlafiles ipc-sandbox merge-sync network-sandbox news parallel-fetch pid-sandbox 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=skylake -mtune=skylake -O3 -pipe -falign-functions=32 -fomit-frame-pointer -ffunction-sections -fdata-sections"
GENTOO_MIRRORS="https://mirrors.ustc.edu.cn/gentoo/"
INSTALL_MASK=""
LANG="zh_CN.UTF-8"
LC_ALL="zh_CN.UTF-8"
LDFLAGS="-fuse-ld=lld -rtlib=compiler-rt -unwindlib=libunwind -flto=thin -Wl,-O3 -Wl,--gc-sections -march=skylake -mtune=skylake"
MAKEOPTS="-j4"
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="-Ctarget-cpu=skylake -Clinker=clang -Clink-arg=-fuse-ld=lld -Ctarget-feature=-crt-static"
USE="X acl alsa amd64 bluetooth bzip2 clang cli compiler-rt crypt cups dbus default-compiler-rt default-libcxx dri elogind eselect-ldso fortran gif iconv ipv6 jemalloc jpeg libcxx libcxxabi libglvnd libtirpc libunwind llvm-libunwind ncurses nls nptl opengl openmp pam pcre png policykit pulseaudio readline seccomp split-usr ssl svg tcpd unicode vaapi vulkan wayland xattr zlib zsh-completion" ABI_X86="64" ADA_TARGET="gnat_2018" ALSA_CARDS="hda-intel usb-audio" 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="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3" ELIBC="musl" 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" INPUT_DEVICES="libinput" KERNEL="linux" L10N="zh-CN" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LLVM_TARGETS="X86 ARM AArch64 RISCV WebAssembly AMDGPU AVR BPF Hexagon Lanai MSP430 Mips NVPTX PowerPC Sparc SystemZ XCore" LUA_SINGLE_TARGET="lua5-4" LUA_TARGETS="lua5-4 luajit" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-3 php7-4" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_9" PYTHON_TARGETS="python3_9" QEMU_SOFTMMU_TARGETS="arm aarch64 i386 x86_64 riscv32 riscv64" QEMU_USER_TARGETS="arm aarch64" RUBY_TARGETS="ruby30" USERLAND="GNU" VIDEO_CARDS="intel i965 iris amdgpu radeonsi radeon" 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:  CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, LINGUAS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

[Comment 1 12101111 2021-07-13 16:11:43 UTC]

Created attachment 723715 [details]
build.log

[Comment 2 Larry the Git Cow 2021-07-14 12:41:46 UTC]

The bug has been closed via the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ef5ff74686160669fea3f413f70e13f6493e8ca7

commit ef5ff74686160669fea3f413f70e13f6493e8ca7
Author:     Andreas Sturmlechner <[e-mail]>
AuthorDate: 2021-07-14 12:36:30 +0000
Commit:     Andreas Sturmlechner <[e-mail]>
CommitDate: 2021-07-14 12:36:48 +0000

    kde-frameworks/kio: Fix build with clang[default-libcxx]
    
    Upstream commit 36f1814b184f4d5ac628fca5db5f6cc1440b4db7
    
    See also: https://mail.kde.org/pipermail/distributions/2021-July/001033.html
    
    KDE-bug: https://bugs.kde.org/show_bug.cgi?id=439780
    Reported-by: 12101111 <[e-mail]>
    Closes: https://bugs.gentoo.org/802030
    Package-Manager: Portage-3.0.20, Repoman-3.0.3
    Signed-off-by: Andreas Sturmlechner <[e-mail]>

 .../kio/files/kio-5.84.0-cxx17-std-mem_fn.patch    | 31 ++++++++++++++++++++++
 kde-frameworks/kio/kio-5.84.0.ebuild               |  4 +--
 2 files changed, 33 insertions(+), 2 deletions(-)