--- src/lib/rng/processor_rng/processor_rng.cpp	2024-07-08 18:54:05.000000000 +0800
+++ src/lib/rng/processor_rng/processor_rng.cpp	2025-08-11 23:36:12.000000000 +0800
@@ -54,7 +54,7 @@
 #endif
    success = (1 == cf);
 
-#elif defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY)
+#elif defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY) && !defined(__APPLE__)
 
    /*
    DARN indicates error by returning 0xFF..FF, ie is biased. Which is crazy.
@@ -101,7 +101,7 @@
    {
 #if defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)
    return CPUID::has_rdrand();
-#elif defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY)
+#elif defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY) && !defined(__APPLE__)
    return CPUID::has_darn_rng();
 #else
    return false;
@@ -112,7 +112,7 @@
    {
 #if defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)
    return "rdrand";
-#elif defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY)
+#elif defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY) && !defined(__APPLE__)
    return "darn";
 #else
    return "hwrng";