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Bug 831226

Summary: media-gfx/gphoto2-2.5.28-r1 fails to link: x86_64-pc-linux-gnu/bin/ld: cannot find -lcdkw (dev-libs/cdk needs to be re-emerged to avoid the issue)
Product: Gentoo Linux Reporter: Miroslav Šulc <fordfrog>
Component: Current packagesAssignee: Gentoo Linux Gnome Desktop Team <gnome>
Status: RESOLVED FIXED    
Severity: normal CC: ago, eschwartz, josef64, luke, mail, maintainer-needed, mgorny, o.freyermuth, sam, titanofold, volkov, zhixu.liu
Priority: Normal Keywords: PullRequest
Version: unspecified   
Hardware: All   
OS: Linux   
See Also: https://bugs.gentoo.org/show_bug.cgi?id=790773
https://bugs.gentoo.org/show_bug.cgi?id=862642
https://github.com/gentoo/gentoo/pull/39795
Whiteboard:
Package list:
Runtime testing required: ---
Attachments: build.log
cdk-5.0.20240619.log
gphoto2-2.5.28-r2.log

Description Miroslav Šulc gentoo-dev 2022-01-15 08:49:51 UTC
Created attachment 762190 [details]
build.log

/bin/sh ../libtool  --tag=CC   --mode=link x86_64-pc-linux-gnu-gcc -I.. -I../gphoto2 -I/usr/include/gphoto2 -I/usr/include/libexif  -DLOCALEDIR=\"/usr/share/locale\" -D_GPHOTO2_INTERNAL_CODE  -I/usr/include/cdk  -I/usr/include/libexif    -march=native -O2 -pipe -frecord-gcc-switches -Wall -Wmissing-declarations -Wmissing-prototypes  -Wl,-O1 -Wl,--as-needed -o gphoto2  gphoto2-gphoto2-cmd-config.o gphoto2-actions.o gphoto2-foreach.o gphoto2-gp-params.o gphoto2-spawnve.o gphoto2-main.o gphoto2-version.o gphoto2-range.o gphoto2-shell.o -lgphoto2 -lgphoto2_port -lm  -L/usr/lib64 -lcdkw -lncursesw -ltinfow   -lpthread -lexif   -lreadline -lpopt  -lm 
libtool: link: x86_64-pc-linux-gnu-gcc -I.. -I../gphoto2 -I/usr/include/gphoto2 -I/usr/include/libexif -DLOCALEDIR=\"/usr/share/locale\" -D_GPHOTO2_INTERNAL_CODE -I/usr/include/cdk -I/usr/include/libexif -march=native -O2 -pipe -frecord-gcc-switches -Wall -Wmissing-declarations -Wmissing-prototypes -Wl,-O1 -o gphoto2 gphoto2-gphoto2-cmd-config.o gphoto2-actions.o gphoto2-foreach.o gphoto2-gp-params.o gphoto2-spawnve.o gphoto2-main.o gphoto2-version.o gphoto2-range.o gphoto2-shell.o  -Wl,--as-needed -lgphoto2 -lgphoto2_port -L/usr/lib64 -lcdkw -lncursesw -ltinfow -lpthread -lexif -lreadline -lpopt -lm
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lcdkw
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:725: gphoto2] Error 1
make[2]: Leaving directory '/var/tmp/portage/media-gfx/gphoto2-2.5.28/work/gphoto2-2.5.28/gphoto2'
make[1]: *** [Makefile:463: all-recursive] Error 1
make[1]: Leaving directory '/var/tmp/portage/media-gfx/gphoto2-2.5.28/work/gphoto2-2.5.28'
make: *** [Makefile:395: all] Error 2


# emerge --info '=media-gfx/gphoto2-2.5.28::gentoo'
Portage 3.0.30 (python 3.10.1-final-0, default/linux/amd64/17.1/hardened, gcc-11.2.1, glibc-2.34-r6, 5.16.0-gentoo x86_64)
=================================================================
                         System Settings
=================================================================
System uname: Linux-5.16.0-gentoo-x86_64-11th_Gen_Intel-R-_Core-TM-_i9-11900K_@_3.50GHz-with-glibc2.34
KiB Mem:   131764076 total,  98216068 free
KiB Swap:          0 total,         0 free
Timestamp of repository gentoo: Sat, 15 Jan 2022 08:00:01 +0000
Head commit of repository gentoo: 8ea76e544bfa6ca296c317c1631b0813288fc65c
sh bash 5.1_p16
ld GNU ld (Gentoo 2.37_p1 p1) 2.37
app-misc/pax-utils:        1.3.3::gentoo
app-shells/bash:           5.1_p16::gentoo
dev-java/java-config:      2.3.1::gentoo
dev-lang/perl:             5.34.0-r6::gentoo
dev-lang/python:           2.7.18_p13::gentoo, 3.8.12_p1-r1::gentoo, 3.9.9-r1::gentoo, 3.10.1-r3::gentoo
dev-lang/rust:             1.58.0::gentoo
dev-util/cmake:            3.22.1::gentoo
dev-util/meson:            0.60.3::gentoo
sys-apps/baselayout:       2.8::gentoo
sys-apps/openrc:           0.44.10::gentoo
sys-apps/sandbox:          2.29::gentoo
sys-devel/autoconf:        2.13-r1::gentoo, 2.71-r1::gentoo
sys-devel/automake:        1.16.5::gentoo
sys-devel/binutils:        2.37_p1-r1::gentoo
sys-devel/binutils-config: 5.4::gentoo
sys-devel/clang:           13.0.0::gentoo
sys-devel/gcc:             11.2.1_p20211127::gentoo
sys-devel/gcc-config:      2.5-r1::gentoo
sys-devel/libtool:         2.4.6-r6::gentoo
sys-devel/lld:             13.0.0::gentoo
sys-devel/llvm:            13.0.0::gentoo
sys-devel/make:            4.3::gentoo
sys-kernel/linux-headers:  5.16::gentoo (virtual/os-headers)
sys-libs/glibc:            2.34-r6::gentoo
Repositories:

gentoo
    location: /var/db/repos/gentoo
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-max-age: 24
    sync-rsync-verify-jobs: 1
    sync-rsync-extra-opts: 

fordfrog
    location: /usr/src/fordfrog.git
    masters: gentoo
    priority: 0

local
    location: /usr/local/portage
    masters: gentoo

brother-overlay
    location: /var/lib/layman/brother-overlay
    masters: gentoo
    priority: 50

ceamac
    location: /var/lib/layman/ceamac
    masters: gentoo
    priority: 50

flavour
    location: /var/lib/layman/flavour
    masters: gentoo
    priority: 50

waebbl
    location: /var/lib/layman/waebbl
    masters: gentoo
    priority: 50

ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe -frecord-gcc-switches"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /opt/brother/scanner/brscan4/brsanenetdevice4.cfg /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/maven-bin-3.8/conf"
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=native -O2 -pipe -frecord-gcc-switches"
DISTDIR="/var/db/repos/gentoo/distfiles"
EMERGE_DEFAULT_OPTS="--misspell-suggestions n"
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="-march=native -O2 -pipe -frecord-gcc-switches"
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 multilib-strict 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=native -O2 -pipe -frecord-gcc-switches"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="cs_CZ.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="cs cs_CZ en en_US en_UK"
MAKEOPTS="-j17"
PKGDIR="/var/db/repos/gentoo/packages"
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="X a52 aac aacplus acl alsa amd64 aubio bluetooth bzip2 cdda cddb cdr color-management colord crypt cuda cups dbus dia dssi dvb dvd elogind exif ffmpeg flac gegl gif gphoto2 gsm gtk gtk3 hardened hddtemp http2 ibus iconv icu id3tag ipv6 jack jack-dbus jacksession javafx jpeg ladspa lastfm latex lcms libass libglvnd libnotify libproxy libsamplerate libtirpc lilypond lm-sensors lv2 mad modplug mp3 mpeg mpi mtp multilib musepack ncurses nls nptl ocr ogg openexr opengl openmp opus osc pam pcre pdf pie png policykit pulseaudio qt5 raw readline rubberband samba scanner screencast seccomp sf2 sndfile soundio speex spell split-usr ssl ssp startup-notification svg svg2 taglib theora tiff timidity tk tray truetype udev unicode usb vamp visio vorbis vpx vst vulkan wavpack webp widevine wmf x264 x265 xattr xinerama xmp xtpax xv xvid zlib" ABI_X86="32 64" ADA_TARGET="gnat_2020" APACHE2_MODULES="alias auth_basic authn_core authn_file authz_core authz_host authz_user cgi cgid deflate dir expires filter headers http2 include info log_config mime mime_magic negotiation proxy proxy_ajp rewrite setenvif socache_shmcb status unixd vhost_alias" APACHE2_MPMS="event" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 avx512f avx512dq avx512cd avx512bw avx512vl avx512vbmi f16c fma3 mmx mmxext pclmul popcnt rdrand sha 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" INPUT_DEVICES="evdev libinput synaptics wacom" KERNEL="linux" L10N="cs cs-CZ en en-US en-UK" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LLVM_TARGETS="NVPTX" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-3 php7-4" POSTGRES_TARGETS="postgres12 postgres13" PYTHON_SINGLE_TARGET="python3_9" PYTHON_TARGETS="python3_7 python3_8 python3_9 python3_10" RUBY_TARGETS="ruby26 ruby27 ruby30" SANE_BACKENDS="genesys" USERLAND="GNU" VIDEO_CARDS="intel i915 i965 nvidia" 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:  ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LEX, LFLAGS, LIBTOOL, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS


# emerge -pqv '=media-gfx/gphoto2-2.5.28::gentoo'
[ebuild     U ] media-gfx/gphoto2-2.5.28 [2.5.27] USE="ncurses nls readline -aalib (-exif%*)"
Comment 1 foufou33 2022-01-15 18:55:03 UTC
for some odd reason the /usr/lib64/libcdkw.so simlink points to a non existing file (libcdkw.so.6.3.4 in this case )


ls -l /usr/lib64/libcdkw*
lrwxrwxrwx 1 root root 16 Jan 12 21:13 /usr/lib64/libcdkw.so -> libcdkw.so.6.3.4
lrwxrwxrwx 1 root root 14 Jan 12 21:13 /usr/lib64/libcdkw.so.6.3.4 -> libcdkw.so.5.0


equery b /usr/lib64/libcdkw.so
 * Searching for /usr/lib64/libcdkw.so ... 
dev-libs/cdk-5.0.20211216 (/usr/lib64/libcdkw.so -> libcdkw.so.6.3.4)


think the probleme is with 
dev-libs/cdk


$ equery files cdk  | grep -v man  | grep -v include | grep -v doc 
/usr
/usr/bin
/usr/bin/cdk5-config
/usr/lib64
/usr/lib64/libcdkw.so
/usr/lib64/libcdkw.so.6.3.4
/usr/share
Comment 2 foufou33 2022-01-15 19:03:21 UTC
oh well, reemerged cdk (ebuild  /usr/portage/dev-libs/cdk/cdk-5.0.20211216.ebuild  merge)
lo and behold, problem is gone ....
Comment 3 Drake Donahue 2022-01-15 19:51:33 UTC
Had this problem.
Traced it back to emerge -1 dev-libs/cdk-5.0.20211216 having created files in /var/tmp/portage/dev-libs/cdk-5.0.20211216/image/usr/lib64 but not installing them in /usr/lib64. Ran ebuild /usr/portage/dev-libs/cdk/cdk-5.0.20211216.ebuild fetch
Ran ebuild /usr/portage/dev-libs/cdk/cdk-5.0.20211216.ebuild configure
Ran ebuild /usr/portage/dev-libs/cdk/cdk-5.0.20211216.ebuild compile
Copied /var/tmp/portage/dev-libs/cdk-5.0.20211216/image/usr/lib64/libcdkw.so.5.0 into /usr/lib64 entered /usr/lib64 and created symlinks: 
libcdkw.so -> libcdkw.so.6.3.4
libcdkw.so.6.3.4 -> libcdkw.so.5.0
emerge -1 gphoto2 libgphoto2 then ran successfully.

Was going to try to find the problem in dev-lib/cdk; removed the libcdkw file and symlinks from /usr/lib64, ran: emerge -C dev-libs/cdk gphoto2 libgphoto2 , then ran:
emerge -C dev-libs/cdk gphoto2 libgphoto2 ; to my surprise the problem did not manifest itself.
Comment 4 Miroslav Šulc gentoo-dev 2022-01-16 08:08:55 UTC
re-emerging cdk really helped, thanks! keeping the bug open as there might be something wrong with cdk and it might need a revbump.
Comment 5 josef.95 2022-02-02 19:36:09 UTC
Yes, rebuild
[ebuild   R    ] dev-libs/cdk-5.0.20211216:0/6::gentoo  USE="unicode -examples" 0 KiB
helped here too.

Thanks!
Comment 6 acmondor 2023-03-07 20:13:28 UTC
I too encountered this issue on both amd64 and x86 systems. Looking at the emerge log for dev-libs/cdk I noticed that libcdkw.so.5.0 gets deleted right near the end as shown below:

[ebuild     U  ] dev-libs/cdk-5.0.20221025:0/6::gentoo [5.0.20210324-r2:0/6::gentoo] USE="unicode -examples -verify-sig%" 529 KiB
.
.
.
>>> Emerging (12 of 158) dev-libs/cdk-5.0.20221025::gentoo
.
.
.
linking libcdkw.so.5.0
.
.
.
ln -s -f libcdkw.so.5.0 libcdkw.so.6.3.4
ln -s -f libcdkw.so.6.3.4 libcdkw.so
>>> Source compiled.
>>> Test phase [not enabled]: dev-libs/cdk-5.0.20221025

>>> Installing (12 of 158) dev-libs/cdk-5.0.20221025::gentoo
>>> /usr/lib/libcdkw.so.5.0
>>> /usr/lib/libcdkw.so.6.3.4 -> libcdkw.so.5.0
.
.
.
>>> /usr/lib/libcdkw.so -> libcdkw.so.6.3.4
>>> needed    obj /usr/lib/libcdkw.so.5.0
>>> needed    sym /usr/lib/libcdkw.so.6.2.4
>>> Safely unmerging already-installed instance...
.
.
.
--- replaced sym /usr/lib/libcdkw.so.6.2.4
--- replaced obj /usr/lib/libcdkw.so.5.0
--- replaced sym /usr/lib/libcdkw.so
.
.
.
>>> Regenerating /etc/ld.so.cache...
>>> Original instance of package unmerged safely.
>>> dev-libs/cdk-5.0.20221025 merged.
>>> Regenerating /etc/ld.so.cache...
<<< !needed  obj /usr/lib/libcdkw.so.5.0
<<< !needed  sym /usr/lib/libcdkw.so.6.2.4

 * GNU info directory index is up-to-date.


Note the two !needed lines. When emerge is run again to re-install the package everything looks the same as above, except those !needed lines aren't then. That is, the log ended like this:

>>> Regenerating /etc/ld.so.cache...
>>> Original instance of package unmerged safely.
>>> dev-libs/cdk-5.0.20221025 merged.
>>> Regenerating /etc/ld.so.cache...

 * GNU info directory index is up-to-date.


The problem is something to do with the upgrade and the .so links. If I down grade the package (ie run: emerge -1v =dev-libs/cdk-5.0.20210324-r2), there is no problem (ie libcdkw.so.5.0 is not removed). However, if follow that with an upgrade (ie run: emerge -1v dev-libs/cdk), the .so file is removed as described above.

I tried looking through the portage code to find the problem and did notice a comment in /usr/lib/python3.10/site-packages/portage/util/env_update.py regarding ldconfig (ie the code related to "Regenerating /etc/ld.so.cache...") that downgrades are treated differently than upgrades. Although, I'm not sure that is completely relevant as I have not yet found what bit of code is actually generating the !needed lines and deleting those files.

Lastly, the log output shown above is for a x86 system. The ouput from an amd64 system is basically identical except /usr/lib/ is /usr/lib64/.
Comment 7 cono 2023-03-14 15:06:03 UTC
Same issue here. Just ran today revdep-rebuild, it started to built gphoto2 and build failed. Rebuilt libcdk fixed symlinks.
Comment 8 Aaron W. Swenson gentoo-dev 2024-01-29 13:50:09 UTC
(In reply to cono from comment #7)
> Same issue here. Just ran today revdep-rebuild, it started to built gphoto2
> and build failed. Rebuilt libcdk fixed symlinks.

I've run into this today with dev-libs/cdk-5.0.20230201 and media-gfx/gphoto2-2.5.28-r1.

Remerging dev-libs/cdk-5.0.20230201 was the only step I performed to fix.
Comment 9 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2024-01-29 13:53:08 UTC
Given the above, this sounds a lot like the libmilter bug (bug 862642) where symlink order was broken.
Comment 10 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2024-11-25 13:43:45 UTC
*** Bug 944904 has been marked as a duplicate of this bug. ***
Comment 11 Agostino Sarubbo gentoo-dev 2024-12-02 08:31:50 UTC
gcc15_tinderbox has reproduced this issue with version 2.5.28-r1 - Updating summary.
Comment 12 Zhixu Liu 2024-12-12 15:17:10 UTC
(In reply to Agostino Sarubbo from comment #11)
> gcc15_tinderbox has reproduced this issue with version 2.5.28-r1 - Updating
> summary.

can you post the build.log of cdw if exist?
I tried different kinds of combination mentioned, but was unable to reproduce the problem yet.
Comment 13 Agostino Sarubbo gentoo-dev 2024-12-20 07:55:32 UTC
ci has reproduced this issue with version 2.5.28-r2 - Updating summary.
Comment 14 Zhixu Liu 2024-12-20 08:12:18 UTC
(In reply to Agostino Sarubbo from comment #13)
> ci has reproduced this issue with version 2.5.28-r2 - Updating summary.

can we have the complete log of cdw & gphoto2 for further analysis?
Comment 15 Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2024-12-20 09:33:42 UTC
I'm pretty sure ago is wrong and CI hit another problem that I've also hit.  I'll file a bug in a minute.
Comment 16 Agostino Sarubbo gentoo-dev 2024-12-20 09:44:35 UTC
(In reply to Michał Górny from comment #15)
> I'm pretty sure ago is wrong and CI hit another problem that I've also hit. 

That's the truth :) https://bugs.gentoo.org/946688#c2
Comment 17 Agostino Sarubbo gentoo-dev 2024-12-20 10:09:47 UTC
(In reply to Agostino Sarubbo from comment #13)
> ci has reproduced this issue with version 2.5.28-r2 - Updating summary.

that's wrong. I hit:

/usr/lib/gcc/x86_64-pc-linux-gnu/14/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lcdk: No such file or directory

I'm restoring back the summary
Comment 18 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2024-12-20 10:14:25 UTC
*** Bug 946688 has been marked as a duplicate of this bug. ***
Comment 19 Agostino Sarubbo gentoo-dev 2024-12-20 10:19:39 UTC
Created attachment 914466 [details]
cdk-5.0.20240619.log

cdk-5.0.20240619.log
Comment 20 Agostino Sarubbo gentoo-dev 2024-12-20 10:19:44 UTC
Created attachment 914467 [details]
gphoto2-2.5.28-r2.log

gphoto2-2.5.28-r2.log
Comment 21 Zhixu Liu 2024-12-20 10:36:47 UTC
(In reply to Agostino Sarubbo from comment #19)
> Created attachment 914466 [details]
> cdk-5.0.20240619.log
> 
> cdk-5.0.20240619.log

linking /var/tmp/portage/dev-libs/cdk-5.0.20240619/image/usr/lib64/libcdkw.so.5.0
...
cd /var/tmp/portage/dev-libs/cdk-5.0.20240619/image/usr/lib64 && (ln -s -f libcdkw.so.5.0 libcdkw.so.6.3.4; ln -s -f libcdkw.so.6.3.4 libcdkw.so; )

from the build.log above, the .so should be created correctly as following:

lrwxrwxrwx 1 root root     16 Dec 20 18:24 libcdkw.so -> libcdkw.so.6.3.4
-rwxr-xr-x 1 root root 301096 Dec 20 18:25 libcdkw.so.5.0
lrwxrwxrwx 1 root root     14 Dec 20 18:24 libcdkw.so.6.3.4 -> libcdkw.so.5.0

Please help check:
1. do we have binary package saved on ci? If so, please post the output of command `tar tvf /var/cache/binpkgs/dev-libs/cdk-5.0.20240619.tbz2 |grep lib64/libcdk`
2. post the output of `ls -l /usr/lib64/libcdk*.so*`
Comment 22 Zhixu Liu 2024-12-20 10:49:49 UTC
from cdk build.log, libcdkw.so.* are built
but from gphoto2 build.log, it try to link cdk:
    -L/usr/lib64 -lcdk -lncursesw -ltinfow
it's determined by `cdk5-config --libs`, should output "-lcdkw", ...

so please post the output of command `cdk5-config --libs`.
Comment 23 Agostino Sarubbo gentoo-dev 2024-12-20 11:02:50 UTC
(In reply to Zhixu Liu from comment #21)
> Please help check:
> 1. do we have binary package saved on ci? If so, please post the output of
> command `tar tvf /var/cache/binpkgs/dev-libs/cdk-5.0.20240619.tbz2 |grep
> lib64/libcdk`
> 2. post the output of `ls -l /usr/lib64/libcdk*.so*`

 ~ $ qlist -e cdk | grep lib64/libcdk
/usr/lib64/libcdkw.so.5.0
/usr/lib64/libcdkw.so.6.3.4
/usr/lib64/libcdkw.so


 ~ $ ls -l /usr/lib64/libcdk*.so*
lrwxrwxrwx 1 root root     16 Dec 20 11:02 /usr/lib64/libcdkw.so -> libcdkw.so.6.3.4
-rwxr-xr-x 1 root root 300984 Dec 20 11:02 /usr/lib64/libcdkw.so.5.0
lrwxrwxrwx 1 root root     14 Dec 20 11:02 /usr/lib64/libcdkw.so.6.3.4 -> libcdkw.so.5.0
Comment 24 Agostino Sarubbo gentoo-dev 2024-12-20 11:03:23 UTC
(In reply to Zhixu Liu from comment #22)
> so please post the output of command `cdk5-config --libs`.

 ~ $ cdk5-config --libs
-L/usr/lib64 -Wl,--defsym=__gentoo_check_ldflags__=0 -lcdk -lncursesw -ltinfow
Comment 25 Zhixu Liu 2024-12-20 14:52:15 UTC
The PR fix the bug found in cdk-5.0.20240619 at least. For older bug reported, I check the older release and dodn't find the same problem (reemerge won't fix the bug if they are same), since the ebuild isn't in the tree now and lack of log(s), I'll stop for now and will continue if problem still exist.
Comment 26 Larry the Git Cow gentoo-dev 2024-12-21 02:54:52 UTC
The bug has been closed via the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=723ef79cdb271b6b0e0d90610f3c1ac824d85558

commit 723ef79cdb271b6b0e0d90610f3c1ac824d85558
Author:     Z. Liu <zhixu.liu@gmail.com>
AuthorDate: 2024-12-20 14:36:48 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2024-12-21 02:54:01 +0000

    dev-libs/cdk: fix handling of -lcdk or -lcdkw
    
    lib name is depend on USE flag 'unicode', but for unknown reason,
    upstream remove XLIB in release 5.0.20240619 (always -lcdk instead
    of -lcdkw if unicode is enabled), which cause link failed if
    USE="unicode".
    
    Closes: https://bugs.gentoo.org/831226
    Signed-off-by: Z. Liu <zhixu.liu@gmail.com>
    Closes: https://github.com/gentoo/gentoo/pull/39795
    Signed-off-by: Sam James <sam@gentoo.org>

 ....20240619.ebuild => cdk-5.0.20240619-r1.ebuild} |  4 ++++
 dev-libs/cdk/files/cdk-5.0.20240619-xlib.patch     | 28 ++++++++++++++++++++++
 dev-libs/cdk/metadata.xml                          |  9 ++++++-
 3 files changed, 40 insertions(+), 1 deletion(-)