https://github.com/valkey-io/valkey/pull/436

diff --git src/config.h src/config.h
index 2468110f8..4646f653e 100644
--- src/config.h
+++ src/config.h
@@ -42,7 +42,7 @@
 #include <fcntl.h>
 #endif
 
-#if defined(__APPLE__) && defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
+#if defined(__APPLE__) && defined(MAC_OS_X_VERSION_MAX_ALLOWED) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 #define MAC_OS_10_6_DETECTED
 #endif
 
@@ -217,12 +217,13 @@ void setproctitle(const char *fmt, ...);
 
 #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
     defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
-    defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
+    defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) || \
     defined(apollo) || defined(__convex__) || defined(_CRAY) || \
     defined(__hppa) || defined(__hp9000) || \
     defined(__hp9000s300) || defined(__hp9000s700) || \
-    defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc)
-#define BYTE_ORDER	BIG_ENDIAN
+    defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) || \
+    (defined(__APPLE__) && defined(__POWERPC__))
+#define BYTE_ORDER    BIG_ENDIAN
 #endif
 #endif /* linux */
 #endif /* BSD */
@@ -304,7 +305,7 @@ void setproctitle(const char *fmt, ...);
 #include <kernel/OS.h>
 #define valkey_set_thread_title(name) rename_thread(find_thread(0), name)
 #else
-#if (defined __APPLE__ && defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1070)
+#if (defined __APPLE__ && defined(MAC_OS_X_VERSION_MAX_ALLOWED) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1070)
 int pthread_setname_np(const char *name);
 #include <pthread.h>
 #define valkey_set_thread_title(name) pthread_setname_np(name)
diff --git src/debug.c src/debug.c
index 33d145b28..5fa9a70d5 100644
--- src/debug.c
+++ src/debug.c
@@ -1192,6 +1192,7 @@ static void* getAndSetMcontextEip(ucontext_t *uc, void *eip) {
     #elif defined(__i386__)
     GET_SET_RETURN(uc->uc_mcontext->__ss.__eip, eip);
     #else
+    /* OSX PowerPC */
     GET_SET_RETURN(uc->uc_mcontext->__ss.__srr0, eip);
     #endif
 #elif defined(__APPLE__) && defined(MAC_OS_10_6_DETECTED)
@@ -1200,6 +1201,8 @@ static void* getAndSetMcontextEip(ucontext_t *uc, void *eip) {
     GET_SET_RETURN(uc->uc_mcontext->__ss.__rip, eip);
     #elif defined(__i386__)
     GET_SET_RETURN(uc->uc_mcontext->__ss.__eip, eip);
+    #elif defined(__ppc__)
+    GET_SET_RETURN(uc->uc_mcontext->__ss.__srr0, eip);
     #else
     /* OSX ARM64 */
     void *old_val = (void*)arm_thread_state64_get_pc(uc->uc_mcontext->__ss);
@@ -1344,7 +1347,7 @@ void logRegisters(ucontext_t *uc) {
         (unsigned long) uc->uc_mcontext->__ss.__gs
     );
     logStackContent((void**)uc->uc_mcontext->__ss.__esp);
-    #else
+    #elif defined(__arm64__)
     /* OSX ARM64 */
     serverLog(LL_WARNING,
     "\n"
@@ -1393,6 +1396,9 @@ void logRegisters(ucontext_t *uc) {
         (unsigned long) uc->uc_mcontext->__ss.__cpsr
     );
     logStackContent((void**) arm_thread_state64_get_sp(uc->uc_mcontext->__ss));
+    #else
+    /* At the moment we do not implement this for PowerPC */
+    NOT_SUPPORTED();
     #endif
 /* Linux */
 #elif defined(__linux__)