--- OOps/pffft.c 2024-01-04 19:36:34.000000000 +0800 +++ OOps/pffft.c 2024-01-04 19:32:28.000000000 +0800 @@ -103,6 +103,8 @@ Altivec support macros */ #if !defined(PFFFT_SIMD_DISABLE) && (defined(__ppc__) || defined(__ppc64__)) +#include + typedef vector float v4sf; # define SIMD_SZ 4 # define VZERO() ((vector float) vec_splat_u8(0))