Build fails on some systems: src/multiply_32.c:53:5: error: use of undeclared identifier '__m128i' · Issue #125 · Legrandin/pycryptodome · GitHub
ia32intrin.h: error: use of undeclared identifier '__builtin_ia32_readeflags_u32' · Discussion #2737 · pyodide/pyodide · GitHub
![ScaNN] Errors when building from source: unknown type name, use of undeclared identifier · Issue #403 · google-research/google-research · GitHub ScaNN] Errors when building from source: unknown type name, use of undeclared identifier · Issue #403 · google-research/google-research · GitHub](https://user-images.githubusercontent.com/32108904/93955944-c6313980-fd05-11ea-843f-a6b2c6f18923.png)