--- meson.build.orig	2026-08-05 21:14:26 UTC
+++ meson.build
@@ -836,7 +836,7 @@ if host_machine.cpu_family() == 'ppc64' and host_machi
       int main() {
         vector unsigned char r;
         vector unsigned int v = vec_splat_u32 (1);
-        r = __builtin_vec_vgbbd ((vector unsigned char) v);
+        r = __builtin_altivec_vgbbd ((vector unsigned char) v);
         return 0;
       }''',
       name : 'POWER8 intrinsics')