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Undefined symbols when linking against (development) RcppParallel on windows #240
Description
I'm seeing errors about missing symbols when linking against the current GitHub version of RcppParallel on windows (across release & devel, and both x64 & arm64):
...
g++ -std=gnu++17 -shared -s -static-libgcc -o StanEstimators.dll tmp.def StanEstimators.o init.o -LD:/a/_temp/Library/RcppParallel/libs/x64 -lRcppParallel -LC:/rtools45/x86_64-w64-mingw32.static.posix/lib/x64 -LC:/rtools45/x86_64-w64-mingw32.static.posix/lib -LC:/R/bin/x64 -lR
C:\rtools45\x86_64-w64-mingw32.static.posix\bin/ld.exe: StanEstimators.o:StanEstimators:(.text$_ZZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEEC4ERS9_ENKUlvE_clEv[_ZZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEEC4ERS9_ENKUlvE_clEv]+0x1b9): undefined reference to `tbb::detail::r1::notify_bounded_queue_monitor(tbb::detail::r1::concurrent_monitor*, unsigned long long, unsigned long long)'
C:\rtools45\x86_64-w64-mingw32.static.posix\bin/ld.exe: StanEstimators.o:StanEstimators:(.text$_ZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEED1Ev[_ZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEED1Ev]+0x24d): undefined reference to `tbb::detail::r1::deallocate_bounded_queue_rep(unsigned char*, unsigned long long)'
C:\rtools45\x86_64-w64-mingw32.static.posix\bin/ld.exe: StanEstimators.o:StanEstimators:(.text$_ZN3tbb6detail2d224concurrent_bounded_queueIN5Eigen6MatrixIdLi1ELin1ELi1ELi1ELin1EEENS0_2d123cache_aligned_allocatorIS5_EEED1Ev[_ZN3tbb6detail2d224concurrent_bounded_queueIN5Eigen6MatrixIdLi1ELin1ELi1ELi1ELin1EEENS0_2d123cache_aligned_allocatorIS5_EEED1Ev]+0x20d): undefined reference to `tbb::detail::r1::deallocate_bounded_queue_rep(unsigned char*, unsigned long long)'
C:\rtools45\x86_64-w64-mingw32.static.posix\bin/ld.exe: StanEstimators.o:StanEstimators:(.text$_ZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEEC1ERS9_[_ZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEEC1ERS9_]+0x2e): undefined reference to `tbb::detail::r1::allocate_bounded_queue_rep(unsigned long long)'
C:\rtools45\x86_64-w64-mingw32.static.posix\bin/ld.exe: StanEstimators.o:StanEstimators:(.text$_ZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEEclIRN5Eigen6MatrixIdLi1ELin1ELi1ELi1ELin1EEEEEvOT_[_ZN4stan9callbacks17concurrent_writerINS0_20unique_stream_writerISt14basic_ofstreamIcSt11char_traitsIcEESt14default_deleteIS6_EEEEclIRN5Eigen6MatrixIdLi1ELin1ELi1ELi1ELin1EEEEEvOT_]+0x26f): undefined reference to `tbb::detail::r1::notify_bounded_queue_monitor(tbb::detail::r1::concurrent_monitor*, unsigned long long, unsigned long long)'
collect2.exe: error: ld returned 1 exit status
no DLL was created
ERROR: compilation failed for package 'StanEstimators'
* removing 'C:/Users/RUNNER~1/AppData/Local/Temp/RtmpIvglkx/Rinst183856ec6bda/StanEstimators'
-----------------------------------
ERROR: package installation failed
Full CI run with failures for the various windows versions here if it helps: https://github.com/andrjohns/StanEstimators/actions/runs/18257064205
Thanks!
Activity
kevinushey commentedon Oct 6, 2025
Given that StanEstimators is using TBB APIs directly (rather than just the wrappers exposed by RcppParallel), I think it'll need to explicitly link to TBB via
-ltbbas well. Note that RcppParallel no longer links to TBB by default, as we want to avoid ABI breakage when RcppParallel is updated with newer versions of TBB.andrjohns commentedon Oct 7, 2025
Ahh makes sense, thanks!