Using 4.25 preview 7. I have tried to compile for Android, armv7 builds fine. But arm64 I continually get the following errors and the build fails for both APK and AAB. I tried on a different PC with same issue.
UATHelper: Packaging (Android (ETC2)): [5/7] MyProject-arm64.so
UATHelper: Packaging (Android (ETC2)): ld.lld: error: undefined symbol: FMemory::Malloc(unsigned long long, unsigned int)
UATHelper: Packaging (Android (ETC2)): >>> referenced by MyProject.cpp:4 (C:/unreal/MyProject/Intermediate/Source\MyProject.cpp:4)
UATHelper: Packaging (Android (ETC2)): >>> C:/unreal/MyProject/Intermediate/Build/Android/UE4/Development/MyProject/MyProject.cppa8.o:(operator new(unsigned long))
UATHelper: Packaging (Android (ETC2)): ld.lld: error: undefined symbol: FMemory::Free(void*)
UATHelper: Packaging (Android (ETC2)): >>> referenced by MyProject.cpp:4 (C:/unreal/MyProject/Intermediate/Source\MyProject.cpp:4)
UATHelper: Packaging (Android (ETC2)): >>> C:/unreal/MyProject/Intermediate/Build/Android/UE4/Development/MyProject/MyProject.cppa8.o:(operator delete(void*))