This error drives me crazy.
I’m working with Unity 2020.3.11f1 on Windows 10.
I deleted the library folder, reinstalled android NDK, try yo compile for ARMv7 only, ARMv64 only…
Thanks for every suggestion to fix that issue.
Exception: Unity.IL2CPP.Building.BuilderFailedException: B:\App\Unity\2020.3.11f1\Editor\Data\PlaybackEngines\AndroidPlayer\NDK\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++ @“C:\Users\chris\AppData\Local\Temp\tmp1588.tmp” -o “F:\SAUVEGARDE\Boite_a_Projets\FacilORDYS\FacilORDYS\Library\il2cpp_android_armeabi-v7a\il2cpp_cache\linkresult_DD92ABAE248A40A7C8867D421E2BD829\libil2cpp.so” -shared -Wl,-soname,libil2cpp.so -Wl,–no-undefined -Wl,-z,noexecstack -Wl,–gc-sections -Wl,–build-id -stdlib=libc++ -static-libstdc++ -target armv7-linux-androideabi19 -Wl,–wrap,sigaction “B:\App\Unity\2020.3.11f1\Editor\Data\PlaybackEngines\AndroidPlayer\Variations\il2cpp\Release\StaticLibs\armeabi-v7a\baselib.a” -llog -rdynamic -fuse-ld=gold.exe
F:\SAUVEGARDE\Boite_a_Projets\FacilORDYS\FacilORDYS\Library\Il2cppBuildCache\Android\armeabi-v7a\il2cppOutput/Assembly-CSharp1.cpp:17142: error: undefined reference to ‘_setupExternalInput’
F:\SAUVEGARDE\Boite_a_Projets\FacilORDYS\FacilORDYS\Library\Il2cppBuildCache\Android\armeabi-v7a\il2cppOutput/Assembly-CSharp1.cpp:17142: error: undefined reference to ‘_setupExternalInput’
clang++.exe: error: linker command failed with exit code 1 (use -v to see invocation)
at Unity.IL2CPP.Building.CppProgramBuilder.PostprocessObjectFiles(HashSet1 objectFiles, CppToolChainContext toolChainContext) at Unity.IL2CPP.Building.CppProgramBuilder.Build(IBuildStatistics& statistics) at il2cpp.Compilation.CompilationDriver.Run(RuntimePlatform platform, BuildingOptions buildingOptions, ReadOnlyCollection1 matchedAssemblyMethodSourceFiles)
at il2cpp.Program.DoRun(String[ ] args, RuntimePlatform platform, BuildingOptions buildingOptions, Boolean throwExceptions)
UnityEditorInternal.Runner.RunProgram (UnityEditor.Utils.Program p, System.String exe, System.String args, System.String workingDirectory, UnityEditor.Scripting.Compilers.CompilerOutputParserBase parser) (at <0b8db76a688c4d18a15dd7dfe092a035>:0)
UnityEditorInternal.Runner.RunManagedProgram (System.String exe, System.String args, System.String workingDirectory, UnityEditor.Scripting.Compilers.CompilerOutputParserBase parser, System.Action1[T] setupStartInfo) (at <0b8db76a688c4d18a15dd7dfe092a035>:0) UnityEditorInternal.IL2CPPBuilder.RunIl2CppWithArguments (System.Collections.Generic.List1[T] arguments, System.Action1[T] setupStartInfo) (at <0b8db76a688c4d18a15dd7dfe092a035>:0) UnityEditorInternal.IL2CPPBuilder.ConvertPlayerDlltoCpp (UnityEditor.Il2Cpp.Il2CppBuildPipelineData data) (at <0b8db76a688c4d18a15dd7dfe092a035>:0) UnityEditorInternal.IL2CPPBuilder.Run () (at <0b8db76a688c4d18a15dd7dfe092a035>:0) UnityEditorInternal.IL2CPPUtils.RunIl2Cpp (System.String tempFolder, System.String stagingAreaData, UnityEditorInternal.IIl2CppPlatformProvider platformProvider, System.Action1[T] modifyOutputBeforeCompile, UnityEditor.RuntimeClassRegistry runtimeClassRegistry) (at <0b8db76a688c4d18a15dd7dfe092a035>:0)
UnityEditor.Android.PostProcessor.Tasks.RunIl2Cpp.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <2c6e9a95f1dd4e06ad71afcd2684dcb7>:0)
UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <2c6e9a95f1dd4e06ad71afcd2684dcb7>:0)
UnityEditor.Android.PostProcessAndroidPlayer.PostProcess (UnityEditor.BuildTarget target, System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, UnityEditor.BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at <2c6e9a95f1dd4e06ad71afcd2684dcb7>:0)
UnityEditor.Android.AndroidBuildPostprocessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args, UnityEditor.BuildProperties& outProperties) (at <2c6e9a95f1dd4e06ad71afcd2684dcb7>:0)
UnityEditor.PostprocessBuildPlayer.Postprocess (UnityEditor.BuildTargetGroup targetGroup, UnityEditor.BuildTarget target, System.String installPath, System.String companyName, System.String productName, System.Int32 width, System.Int32 height, UnityEditor.BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at <0b8db76a688c4d18a15dd7dfe092a035>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)