I pushed a speculative fix for this in r259870. I’m unable to reproduce locally. There are a few bots that hit the same issue, so I’m watching them.
-Chris > On Feb 4, 2016, at 6:44 PM, Chris Bieneman via cfe-commits > <cfe-commits@lists.llvm.org> wrote: > > What linker are you using and on what OS? I’m looking at this now, and will > revert if I can’t find a solution. > > -Chris > >> On Feb 4, 2016, at 6:38 PM, Richard Smith <rich...@metafoo.co.uk >> <mailto:rich...@metafoo.co.uk>> wrote: >> >> This is causing my links to fail with: >> >> FAILED: : && /usr/local/google/home/richardsmith/bin/clang++ >> -fcolor-diagnostics -std=c++11 -stdlib=libc++ -fPIC >> -fvisibility-inlines-hidden -Wall -W -Wno-unused-parameter -Wwrite-strings >> -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long >> -Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor >> -std=c++11 -fcolor-diagnostics -fno-common -Woverloaded-virtual >> -Wno-nested-anon-types -g -Wl,-allow-shlib-undefined -Wl,--export-dynamic >> tools/clang/tools/driver/CMakeFiles/clang.dir/driver.cpp.o >> tools/clang/tools/driver/CMakeFiles/clang.dir/cc1_main.cpp.o >> tools/clang/tools/driver/CMakeFiles/clang.dir/cc1as_main.cpp.o -o >> bin/clang-3.8 lib/libLLVMAArch64CodeGen.a lib/libLLVMAArch64AsmPrinter.a >> lib/libLLVMAArch64AsmParser.a lib/libLLVMAArch64Desc.a >> lib/libLLVMAArch64Info.a lib/libLLVMAArch64Disassembler.a >> lib/libLLVMAMDGPUCodeGen.a lib/libLLVMAMDGPUAsmPrinter.a >> lib/libLLVMAMDGPUAsmParser.a lib/libLLVMAMDGPUDesc.a lib/libLLVMAMDGPUInfo.a >> lib/libLLVMARMCodeGen.a lib/libLLVMARMAsmPrinter.a lib/libLLVMARMAsmParser.a >> lib/libLLVMARMDesc.a lib/libLLVMARMInfo.a lib/libLLVMARMDisassembler.a >> lib/libLLVMBPFCodeGen.a lib/libLLVMBPFAsmPrinter.a lib/libLLVMBPFDesc.a >> lib/libLLVMBPFInfo.a lib/libLLVMCppBackendCodeGen.a >> lib/libLLVMCppBackendInfo.a lib/libLLVMHexagonCodeGen.a >> lib/libLLVMHexagonAsmParser.a lib/libLLVMHexagonDesc.a >> lib/libLLVMHexagonInfo.a lib/libLLVMHexagonDisassembler.a >> lib/libLLVMMipsCodeGen.a lib/libLLVMMipsAsmPrinter.a >> lib/libLLVMMipsAsmParser.a lib/libLLVMMipsDesc.a lib/libLLVMMipsInfo.a >> lib/libLLVMMipsDisassembler.a lib/libLLVMMSP430CodeGen.a >> lib/libLLVMMSP430AsmPrinter.a lib/libLLVMMSP430Desc.a >> lib/libLLVMMSP430Info.a lib/libLLVMNVPTXCodeGen.a >> lib/libLLVMNVPTXAsmPrinter.a lib/libLLVMNVPTXDesc.a lib/libLLVMNVPTXInfo.a >> lib/libLLVMPowerPCCodeGen.a lib/libLLVMPowerPCAsmPrinter.a >> lib/libLLVMPowerPCAsmParser.a lib/libLLVMPowerPCDesc.a >> lib/libLLVMPowerPCInfo.a lib/libLLVMPowerPCDisassembler.a >> lib/libLLVMSparcCodeGen.a lib/libLLVMSparcAsmPrinter.a >> lib/libLLVMSparcAsmParser.a lib/libLLVMSparcDesc.a lib/libLLVMSparcInfo.a >> lib/libLLVMSparcDisassembler.a lib/libLLVMSystemZCodeGen.a >> lib/libLLVMSystemZAsmPrinter.a lib/libLLVMSystemZAsmParser.a >> lib/libLLVMSystemZDesc.a lib/libLLVMSystemZInfo.a >> lib/libLLVMSystemZDisassembler.a lib/libLLVMX86CodeGen.a >> lib/libLLVMX86AsmPrinter.a lib/libLLVMX86AsmParser.a lib/libLLVMX86Desc.a >> lib/libLLVMX86Info.a lib/libLLVMX86Disassembler.a lib/libLLVMXCoreCodeGen.a >> lib/libLLVMXCoreAsmPrinter.a lib/libLLVMXCoreDesc.a lib/libLLVMXCoreInfo.a >> lib/libLLVMXCoreDisassembler.a lib/libLLVMAnalysis.a lib/libLLVMCodeGen.a >> lib/libLLVMCore.a lib/libLLVMipo.a lib/libLLVMInstCombine.a >> lib/libLLVMInstrumentation.a lib/libLLVMMC.a lib/libLLVMMCParser.a >> lib/libLLVMObjCARCOpts.a lib/libLLVMOption.a lib/libLLVMScalarOpts.a >> lib/libLLVMSupport.a lib/libLLVMTransformUtils.a lib/libLLVMVectorize.a >> lib/libclangBasic.a lib/libclangCodeGen.a lib/libclangDriver.a >> lib/libclangFrontend.a lib/libclangFrontendTool.a >> -Wl,-order_file,/usr/local/google/home/richardsmith/clang-8/build/tools/clang/clang.order >> lib/libLLVMAArch64Desc.a lib/libLLVMAArch64AsmPrinter.a >> lib/libLLVMAArch64Info.a lib/libLLVMAArch64Utils.a >> lib/libLLVMAMDGPUAsmPrinter.a lib/libLLVMAMDGPUUtils.a lib/libLLVMARMDesc.a >> lib/libLLVMARMAsmPrinter.a lib/libLLVMARMInfo.a lib/libLLVMBPFAsmPrinter.a >> lib/libLLVMHexagonDesc.a lib/libLLVMHexagonInfo.a >> lib/libLLVMMipsAsmPrinter.a lib/libLLVMMipsInfo.a >> lib/libLLVMMSP430AsmPrinter.a lib/libLLVMNVPTXAsmPrinter.a >> lib/libLLVMPowerPCAsmPrinter.a lib/libLLVMPowerPCInfo.a >> lib/libLLVMSparcAsmPrinter.a lib/libLLVMSparcInfo.a lib/libLLVMSystemZDesc.a >> lib/libLLVMSystemZAsmPrinter.a lib/libLLVMSystemZInfo.a >> lib/libLLVMX86AsmPrinter.a lib/libLLVMX86Utils.a lib/libLLVMX86Info.a >> lib/libLLVMXCoreAsmPrinter.a lib/libLLVMAsmPrinter.a >> lib/libLLVMDebugInfoCodeView.a lib/libLLVMSelectionDAG.a >> lib/libLLVMCodeGen.a lib/libLLVMXCoreInfo.a lib/libLLVMMCDisassembler.a >> lib/libclangCodeGen.a lib/libLLVMipo.a lib/libLLVMVectorize.a >> lib/libLLVMInstrumentation.a lib/libLLVMObjCARCOpts.a >> lib/libLLVMScalarOpts.a lib/libLLVMInstCombine.a lib/libLLVMTarget.a >> lib/libLLVMBitWriter.a lib/libLLVMIRReader.a lib/libLLVMAsmParser.a >> lib/libLLVMLinker.a lib/libLLVMTransformUtils.a lib/libLLVMAnalysis.a >> lib/libLLVMProfileData.a lib/libLLVMObject.a lib/libclangRewriteFrontend.a >> lib/libclangARCMigrate.a lib/libclangStaticAnalyzerFrontend.a >> lib/libclangFrontend.a lib/libclangDriver.a lib/libLLVMOption.a >> lib/libclangParse.a lib/libLLVMMCParser.a lib/libclangSerialization.a >> lib/libLLVMBitReader.a lib/libclangSema.a lib/libclangEdit.a >> lib/libclangStaticAnalyzerCheckers.a lib/libclangStaticAnalyzerCore.a >> lib/libclangAnalysis.a lib/libclangAST.a lib/libclangRewrite.a >> lib/libclangLex.a lib/libclangBasic.a lib/libLLVMCore.a lib/libLLVMMC.a >> lib/libLLVMSupport.a -lrt -ldl -ltinfo -lpthread -lz -lm >> -Wl,-rpath,"\$ORIGIN/../lib" && : >> /usr/local/google/home/richardsmith/clang-8/build/tools/clang/clang.order: >> file not recognized: File truncated >> clang-3.8: error: linker command failed with exit code 1 (use -v to see >> invocation) >> >> The generated clang.order file is empty. Please fix or revert! >> >> On Thu, Feb 4, 2016 at 5:22 PM, Chris Bieneman via cfe-commits >> <cfe-commits@lists.llvm.org <mailto:cfe-commits@lists.llvm.org>> wrote: >> Author: cbieneman >> Date: Thu Feb 4 19:22:03 2016 >> New Revision: 259862 >> >> URL: http://llvm.org/viewvc/llvm-project?rev=259862&view=rev >> <http://llvm.org/viewvc/llvm-project?rev=259862&view=rev> >> Log: >> [CMake] Improve the clang order-file generation workflow >> >> Summary: >> With this change generating clang order files using dtrace uses the >> following workflow: >> >> cmake <whatever options you want> >> >> ninja generate-order-file >> >> ninja clang >> >> This patch works by setting a default path to the order file (which can be >> overridden by the user). If the order file doesn't exist during >> configuration CMake will create an empty one. >> >> CMake then ties up the dependencies between the clang link job and the order >> file, and generate-order-file overwrites CLANG_ORDER_FILE with the new order >> file. >> >> Reviewers: bogner >> >> Subscribers: cfe-commits >> >> Differential Revision: http://reviews.llvm.org/D16896 >> <http://reviews.llvm.org/D16896> >> >> Modified: >> cfe/trunk/CMakeLists.txt >> cfe/trunk/tools/driver/CMakeLists.txt >> cfe/trunk/utils/perf-training/CMakeLists.txt >> >> Modified: cfe/trunk/CMakeLists.txt >> URL: >> http://llvm.org/viewvc/llvm-project/cfe/trunk/CMakeLists.txt?rev=259862&r1=259861&r2=259862&view=diff >> >> <http://llvm.org/viewvc/llvm-project/cfe/trunk/CMakeLists.txt?rev=259862&r1=259861&r2=259862&view=diff> >> ============================================================================== >> --- cfe/trunk/CMakeLists.txt (original) >> +++ cfe/trunk/CMakeLists.txt Thu Feb 4 19:22:03 2016 >> @@ -586,9 +586,19 @@ if( CLANG_INCLUDE_DOCS ) >> add_subdirectory(docs) >> endif() >> >> -set(CLANG_ORDER_FILE "" CACHE FILEPATH >> +# this line is needed as a cleanup to ensure that any CMakeCaches with the >> old >> +# default value get updated to the new default. >> +if(CLANG_ORDER_FILE STREQUAL "") >> + unset(CLANG_ORDER_FILE CACHE) >> +endif() >> + >> +set(CLANG_ORDER_FILE ${CMAKE_CURRENT_BINARY_DIR}/clang.order CACHE FILEPATH >> "Order file to use when compiling clang in order to improve startup >> time.") >> >> +if(NOT EXISTS ${CLANG_ORDER_FILE}) >> + execute_process(COMMAND ${CMAKE_COMMAND} -E touch ${CLANG_ORDER_FILE}) >> +endif() >> + >> if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR >> CMAKE_VERSION VERSION_GREATER 3) >> # Generate a list of CMake library targets so that other CMake projects >> can >> >> Modified: cfe/trunk/tools/driver/CMakeLists.txt >> URL: >> http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/driver/CMakeLists.txt?rev=259862&r1=259861&r2=259862&view=diff >> >> <http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/driver/CMakeLists.txt?rev=259862&r1=259861&r2=259862&view=diff> >> ============================================================================== >> --- cfe/trunk/tools/driver/CMakeLists.txt (original) >> +++ cfe/trunk/tools/driver/CMakeLists.txt Thu Feb 4 19:22:03 2016 >> @@ -87,8 +87,12 @@ if (APPLE) >> set(TOOL_INFO_BUILD_VERSION) >> endif() >> >> -if(CLANG_ORDER_FILE) >> +check_cxx_compiler_flag("-Wl,-order_file,${CLANG_ORDER_FILE}" >> + LINKER_HAS_ORDER_FILE_FLAG) >> + >> +if(LINKER_HAS_ORDER_FILE_FLAG) >> target_link_libraries(clang "-Wl,-order_file,${CLANG_ORDER_FILE}") >> + set_target_properties(clang PROPERTIES LINK_DEPENDS ${CLANG_ORDER_FILE}) >> endif() >> >> if(WITH_POLLY AND LINK_POLLY_INTO_TOOLS) >> >> Modified: cfe/trunk/utils/perf-training/CMakeLists.txt >> URL: >> http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/perf-training/CMakeLists.txt?rev=259862&r1=259861&r2=259862&view=diff >> >> <http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/perf-training/CMakeLists.txt?rev=259862&r1=259861&r2=259862&view=diff> >> ============================================================================== >> --- cfe/trunk/utils/perf-training/CMakeLists.txt (original) >> +++ cfe/trunk/utils/perf-training/CMakeLists.txt Thu Feb 4 19:22:03 2016 >> @@ -55,9 +55,8 @@ if(DTRACE) >> COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/perf-helper.py >> clean ${CMAKE_CURRENT_BINARY_DIR} dtrace >> COMMENT "Clearing old dtrace data") >> >> - >> add_custom_target(generate-order-file >> - COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/perf-helper.py >> gen-order-file --binary $<TARGET_FILE:clang> --output >> ${CMAKE_CURRENT_BINARY_DIR}/clang.order ${CMAKE_CURRENT_BINARY_DIR} >> + COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/perf-helper.py >> gen-order-file --binary $<TARGET_FILE:clang> --output ${CLANG_ORDER_FILE} >> ${CMAKE_CURRENT_BINARY_DIR} >> COMMENT "Generating order file" >> DEPENDS generate-dtrace-logs) >> endif() >> >> >> _______________________________________________ >> cfe-commits mailing list >> cfe-commits@lists.llvm.org <mailto:cfe-commits@lists.llvm.org> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits >> <http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits> >> > > _______________________________________________ > cfe-commits mailing list > cfe-commits@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
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