How to build ios target

[qokelate]

Describe the bug

Crash on startup:

NPClient`github.com/klauspost/cpuid.getProcFeatures:
-> 0x1002bdee0 <+0>: mrs x0, ID_AA64PFR0_EL1 //Thread 6: EXC_BAD_INSTRUCTION (code=1, subcode=0xd5380400)
0x1002bdee4 <+4>: str x0, [sp, #0x8]
0x1002bdee8 <+8>: ret
0x1002bdeec <+12>: .long 0x00000000 ; unknown opcode

To Reproduce
Steps to reproduce the behavior:

1. git clone 'https://github.com/ehang-io/nps.git' --recursive
2. rename main to other package name
3. gomobile bind -target=ios ./cmd/npc
4. link sdk to ios project
5. start demo

Client (please complete the following information):

• OS: ios 9.0.1
• ARCH: arm64
• Tunnel TCP
• Version commit:54743588bb90e4ae4d1ebddf685e73287d8d43e0

[ffdfgdfg]

https://github.com/ffdfgdfg/npc_sdk/blob/b095c2e011f813b28e56aeb4767de2d49a3cd50a/build.sh
Demo here, you should not build npc directly
But android sdk crash too, there are some issue with go mobile