mmuetzel added a comment. The error message I get without `-lc++`:
ld.lld: error: undefined symbol: std::__1::mutex::lock() >>> referenced by libFortranRuntime.a(io-api.cpp.obj):(Fortran::runtime::io::IoStatementState* Fortran::runtime::io::BeginExternalListIO<(Fortran::runtime::io::Direction)0, Fortran::runtime::io::ExternalListIoStatementState>(int, char const*, int)) >>> referenced by libFortranRuntime.a(io-api.cpp.obj):(Fortran::runtime::io::IoStatementState* Fortran::runtime::io::BeginExternalListIO<(Fortran::runtime::io::Direction)0, Fortran::runtime::io::ExternalListIoStatementState>(int, char const*, int)) >>> referenced by libFortranRuntime.a(io-api.cpp.obj):(Fortran::runtime::io::IoStatementState* Fortran::runtime::io::BeginExternalListIO<(Fortran::runtime::io::Direction)1, Fortran::runtime::io::ExternalListIoStatementState>(int, char const*, int)) >>> referenced 36 more times ld.lld: error: undefined symbol: std::__1::mutex::unlock() >>> referenced by libFortranRuntime.a(unit.cpp.obj):(Fortran::runtime::io::FlushOutputOnCrash(Fortran::runtime::Terminator const&)) >>> referenced by libFortranRuntime.a(unit.cpp.obj):(Fortran::runtime::io::ExternalFileUnit::LookUp(int)) >>> referenced by libFortranRuntime.a(unit.cpp.obj):(Fortran::runtime::io::ExternalFileUnit::GetUnitMap()) >>> referenced 23 more times flang-new: error: linker command failed with exit code 1 (use -v to see invocation) ================ Comment at: clang/lib/Driver/ToolChains/MSVC.cpp:140 + // defined in flang's runtime libraries. + if (TC.getTriple().isKnownWindowsMSVCEnvironment()) + CmdArgs.push_back("/subsystem:console"); ---------------- awarzynski wrote: > mmuetzel wrote: > > Is the MSVC toolchain used anywhere else but on Windows? > No: > https://github.com/llvm/llvm-project/blob/5fee1799f4d8da59c251e2d04172fc2f387cbe54/llvm/include/llvm/ADT/Triple.h#L576-L578 > ;-) In that case, this argument could probably be added unconditionally. CHANGES SINCE LAST ACTION https://reviews.llvm.org/D126291/new/ https://reviews.llvm.org/D126291 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits