Package: libstdc++-11-dev Version: 11.2.0-9 Severity: normal If libtbb-dev is installed (<tbb/tbb.h> is present on the system), any program using the <execution> header from C++17 or otherwise causing <pstl/parallel_backend.h> to be included fails to link with this error:
/usr/bin/ld: /tmp/cc8b8juf.o: in function `tbb::interface7::task_arena::current_thread_index()': foo.cpp:(.text._ZN3tbb10interface710task_arena20current_thread_indexEv[_ZN3tbb10interface710task_arena20current_thread_indexEv]+0x5): undefined reference to `tbb::interface7::internal::task_arena_base::internal_current_slot()' collect2: error: ld returned 1 exit status Adding -ltbb makes it succeed, but I would not expect the C++ stdlib to require explicitly linking additional libraries. -- System Information: Debian Release: bookworm/sid APT prefers unstable APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.11.10-k8 (SMP w/24 CPU threads) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US:en Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages libstdc++-11-dev depends on: ii gcc-11-base 11.2.0-9 ii libc6-dev 2.32-4 ii libgcc-11-dev 11.2.0-9 ii libstdc++6 11.2.0-9 libstdc++-11-dev recommends no packages. Versions of packages libstdc++-11-dev suggests: pn libstdc++-11-doc <none> -- no debconf information
