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/tmp/cirrus-ci-build/driver/targetmachine.cpp:280:20: warning: unused function 'getLoongArch32TargetCPU' [-Wunused-function]
static std::string getLoongArch32TargetCPU(const llvm::Triple &triple) {
                   ^
/tmp/cirrus-ci-build/driver/targetmachine.cpp:284:20: warning: unused function 'getLoongArch64TargetCPU' [-Wunused-function]
static std::string getLoongArch64TargetCPU(const llvm::Triple &triple) {
                   ^
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FAILED: bin/gen_gccbuiltins 
: && /usr/local/bin/clang++ -DDMDV2 -O3 -DNDEBUG  utils/CMakeFiles/gen_gccbuiltins.dir/gen_gccbuiltins.cpp.o -o bin/gen_gccbuiltins  -lLLVMTableGen  -lLLVMWindowsManifest  -lLLVMWindowsDriver  -lLLVMLTO  -lLLVMExtensions  -lLLVMLibDriver  -lLLVMOption  -lLLVMXCoreDisassembler  -lLLVMXCoreCodeGen  -lLLVMXCoreDesc  -lLLVMXCoreInfo  -lLLVMX86TargetMCA  -lLLVMX86Disassembler  -lLLVMX86AsmParser  -lLLVMX86CodeGen  -lLLVMX86Desc  -lLLVMX86Info  -lLLVMWebAssemblyDisassembler  -lLLVMWebAssemblyAsmParser  -lLLVMWebAssemblyCodeGen  -lLLVMWebAssemblyDesc  -lLLVMWebAssemblyUtils  -lLLVMWebAssemblyInfo  -lLLVMVEDisassembler  -lLLVMVEAsmParser  -lLLVMVECodeGen  -lLLVMVEDesc  -lLLVMVEInfo  -lLLVMSystemZDisassembler  -lLLVMSystemZAsmParser  -lLLVMSystemZCodeGen  -lLLVMSystemZDesc  -lLLVMSystemZInfo  -lLLVMSparcDisassembler  -lLLVMSparcAsmParser  -lLLVMSparcCodeGen  -lLLVMSparcDesc  -lLLVMSparcInfo  -lLLVMRISCVDisassembler  -lLLVMRISCVAsmParser  -lLLVMRISCVCodeGen  -lLLVMRISCVDesc  -lLLVMRISCVInfo  -lLLVMPowerPCDisassembler  -lLLVMPowerPCAsmParser  -lLLVMPowerPCCodeGen  -lLLVMPowerPCDesc  -lLLVMPowerPCInfo  -lLLVMNVPTXCodeGen  -lLLVMNVPTXDesc  -lLLVMNVPTXInfo  -lLLVMMSP430Disassembler  -lLLVMMSP430AsmParser  -lLLVMMSP430CodeGen  -lLLVMMSP430Desc  -lLLVMMSP430Info  -lLLVMMipsDisassembler  -lLLVMMipsAsmParser  -lLLVMMipsCodeGen  -lLLVMMipsDesc  -lLLVMMipsInfo  -lLLVMLanaiDisassembler  -lLLVMLanaiCodeGen  -lLLVMLanaiAsmParser  -lLLVMLanaiDesc  -lLLVMLanaiInfo  -lLLVMHexagonDisassembler  -lLLVMHexagonCodeGen  -lLLVMHexagonAsmParser  -lLLVMHexagonDesc  -lLLVMHexagonInfo  -lLLVMBPFDisassembler  -lLLVMBPFAsmParser  -lLLVMBPFCodeGen  -lLLVMBPFDesc  -lLLVMBPFInfo  -lLLVMAVRDisassembler  -lLLVMAVRAsmParser  -lLLVMAVRCodeGen  -lLLVMAVRDesc  -lLLVMAVRInfo  -lLLVMARMDisassembler  -lLLVMARMAsmParser  -lLLVMARMCodeGen  -lLLVMARMDesc  -lLLVMARMUtils  -lLLVMARMInfo  -lLLVMAMDGPUTargetMCA  -lLLVMMCA  -lLLVMAMDGPUDisassembler  -lLLVMAMDGPUAsmParser  -lLLVMAMDGPUCodeGen  -lLLVMMIRParser  -lLLVMAMDGPUDesc  -lLLVMAMDGPUUtils  -lLLVMAMDGPUInfo  -lLLVMPasses  -lLLVMObjCARCOpts  -lLLVMCoroutines  -lLLVMipo  -lLLVMInstrumentation  -lLLVMVectorize  -lLLVMLinker  -lLLVMIRReader  -lLLVMAsmParser  -lLLVMFrontendOpenMP  -lLLVMAArch64Disassembler  -lLLVMMCDisassembler  -lLLVMAArch64AsmParser  -lLLVMAArch64CodeGen  -lLLVMCFGuard  -lLLVMGlobalISel  -lLLVMSelectionDAG  -lLLVMAsmPrinter  -lLLVMCodeGen  -lLLVMTarget  -lLLVMScalarOpts  -lLLVMInstCombine  -lLLVMAggressiveInstCombine  -lLLVMTransformUtils  -lLLVMBitWriter  -lLLVMAnalysis  -lLLVMProfileData  -lLLVMSymbolize  -lLLVMDebugInfoPDB  -lLLVMDebugInfoMSF  -lLLVMDebugInfoDWARF  -lLLVMObject  -lLLVMTextAPI  -lLLVMMCParser  -lLLVMBitReader  -lLLVMCore  -lLLVMRemarks  -lLLVMBitstreamReader  -lLLVMAArch64Desc  -lLLVMAArch64Utils  -lLLVMAArch64Info  -lLLVMMC  -lLLVMDebugInfoCodeView  -lLLVMBinaryFormat  -lLLVMSupport  -lLLVMDemangle  -L/usr/local/llvm15/lib  -lrt  -lexecinfo  -lpthread  -lm  -lz  -lzstd && :
ld: error: unable to find library -lzstd
clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
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ninja: build stopped: subcommand failed.