<div dir="ltr">Hi,<div><br></div><div>For the last week or so my combined llvm+clang+lldb build fails while linking lldb-gdbserver:</div><div><br></div><div><div> lib/liblldbHost.a(Host.cpp.o): In function `lldb_private::Host::RunShellCommand(char const*, char const*, int*, int*, std::</div><div>__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, unsigned int, bool)':</div><div> /home/abuild/rpmbuild/BUILD/llvm/stage2/../tools/lldb/source/Host/common/Host.cpp:578: warning: the use of `mktemp' is dang</div><div>erous, better use `mkstemp'</div><div> lib/liblldbExpression.a(ClangExpressionParser.cpp.o): In function `ClangExpressionParser':</div><div> /home/abuild/rpmbuild/BUILD/llvm/stage2/../tools/lldb/source/Expression/ClangExpressionParser.cpp:127: undefined reference</div><div>to `llvm::sys::getDefaultTargetTriple()'</div><div> lib/liblldbExpression.a(ClangExpressionParser.cpp.o): In function `lldb_private::ClangExpressionParser::Parse(lldb_private:</div><div>:Stream&)':</div><div> /home/abuild/rpmbuild/BUILD/llvm/stage2/../tools/lldb/source/Expression/ClangExpressionParser.cpp:315: undefined reference</div><div>to `llvm::sys::fs::createTemporaryFile(llvm::Twine const&, llvm::StringRef, int&, llvm::SmallVectorImpl<char>&)'</div><div> /home/abuild/rpmbuild/BUILD/llvm/stage2/../tools/lldb/source/Expression/ClangExpressionParser.cpp:311: undefined reference</div><div>to `llvm::sys::fs::createUniqueFile(llvm::Twine const&, int&, llvm::SmallVectorImpl<char>&, unsigned int)'</div><div> /home/abuild/rpmbuild/BUILD/llvm/stage2/../tools/lldb/source/Expression/ClangExpressionParser.cpp:339: undefined reference</div><div>to `llvm::MemoryBuffer::getMemBufferCopy(llvm::StringRef, llvm::Twine const&)'</div><div> tools/lldb/tools/lldb-gdbserver/CMakeFiles/lldb-gdbserver.dir/__/__/source/lldb.cpp.o: In function `lldb_private::Initializ</div><div>e()':</div><div> /home/abuild/rpmbuild/BUILD/llvm/stage2/../tools/lldb/source/lldb.cpp:130: undefined reference to `llvm::install_fatal_erro</div><div>r_handler(void (*)(void*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool), void*</div><div>)'</div></div><div><br></div><div>[lots of similar errors]</div><div><br></div><div>This seems to be due to failing to link to LLVMSupport library which could be fixed by</div><div><br></div><div><div>--- lldb/cmake/LLDBDependencies.cmake</div><div>+++ lldb/cmake/LLDBDependencies.cmake</div><div>@@ -161,6 +161,7 @@ set( LLVM_LINK_COMPONENTS<br></div><div>   mcdisassembler</div><div>   executionengine</div><div>   option</div><div>+  support</div><div>   )</div><div> </div></div><div><br></div><div>but then I hit more undefined symbols elsewhere. So I am wondering if I am the only one hitting this error.</div><div><br></div><div>Regards,</div><div>ismail</div><div><br></div></div>