cd /var/tmp/portage/sci-mathematics/cipi-1.0/work/cipi-1.0/src && /usr/bin/cmake -E cmake_link_script CMakeFiles/cipi.dir/link.txt --verbose=1 /usr/bin/x86_64-pc-linux-gnu-g++ -O2 -pipe -march=native -fno-diagnostics-color -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 -rdynamic CMakeFiles/cipi.dir/main.o CMakeFiles/cipi.dir/functions.o CMakeFiles/cipi.dir/ConfigFile.o CMakeFiles/cipi.dir/Marginal.o CMakeFiles/cipi.dir/Marginals.o -o cipi -lboost_thread-mt /usr/lib/gcc/x86_64-pc-linux-gnu/10.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: CMakeFiles/cipi.dir/main.o: undefined reference to symbol 'pthread_condattr_setclock@@GLIBC_2.3.3' /usr/lib/gcc/x86_64-pc-linux-gnu/10.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: /lib64/libpthread.so.0: error adding symbols: DSO missing from command line collect2: error: ld returned 1 exit status make[2]: *** [src/CMakeFiles/cipi.dir/build.make:163: src/cipi] Error 1 ------------------------------------------------------------------- This is an unstable amd64 chroot image at a tinderbox (==build bot) name: 17.1_no-multilib-libressl_science-20201116-220441 ------------------------------------------------------------------- gcc-config -l: [1] x86_64-pc-linux-gnu-10.2.0 * /usr/lib/llvm/11 11.0.0 Available Python interpreters, in order of preference: [1] python3.7 [2] python3.9 (fallback) [3] python3.8 (fallback) [4] python2.7 (fallback) The following VMs are available for generation-2: *) AdoptOpenJDK 8.272_p10 [openjdk-bin-8] Available Java Virtual Machines: [1] openjdk-bin-8 system-vm The Glorious Glasgow Haskell Compilation System, version 8.8.4 timestamp(s) of HEAD at this tinderbox image: /var/db/repos/gentoo Thu Nov 19 07:05:42 AM UTC 2020 /var/db/repos/libressl Sat Nov 7 03:06:11 PM UTC 2020 emerge -qpvO sci-mathematics/cipi [ebuild N ] sci-mathematics/cipi-1.0 USE="-doc"
Created attachment 672802 [details] emerge-info.txt
Created attachment 672805 [details] emerge-history.txt
Created attachment 672808 [details] environment
Created attachment 672811 [details] etc.portage.tbz2
Created attachment 672814 [details] logs.tbz2
Created attachment 672817 [details] sci-mathematics:cipi-1.0:20201119-080125.log
Created attachment 672820 [details] temp.tbz2
Created attachment 730476 [details] emerge.log
Created attachment 730479 [details] emerge-history.txt
Created attachment 730482 [details] emerge-info.txt
Created attachment 730485 [details] etc/portage
Created attachment 730488 [details] ebuildtester emerge log
I was able to reproduce this bug by using the previous ebuild. Attached are my logs. The commit 754ffafbd840e580a30c67163f5ac4b725bbf88c [1] fixed it. [1] https://github.com/gentoo/sci/commit/754ffafbd840e580a30c67163f5ac4b725bbf88c
Therefore this bug can be closed as resolved.