diff --git a/src/base/basictypes.h b/src/base/basictypes.h
index 5a25260..ac2d9d6 100644
--- a/src/base/basictypes.h
+++ b/src/base/basictypes.h
@@ -370,7 +370,7 @@ class AssignAttributeStartEnd {
 #if defined(HAVE___ATTRIBUTE__)
 # if (defined(__i386__) || defined(__x86_64__))
 #   define CACHELINE_ALIGNED __attribute__((aligned(64)))
-# elif (defined(__PPC__) || defined(__PPC64__))
+# elif (defined(__PPC__) || defined(__PPC64__) || defined(__ppc__) || defined(__ppc64__))
 #   define CACHELINE_ALIGNED __attribute__((aligned(16)))
 # elif (defined(__arm__))
 #   define CACHELINE_ALIGNED __attribute__((aligned(64)))
diff --git a/src/stacktrace_powerpc-inl.h b/src/stacktrace_powerpc-inl.h
index 124bc4e..6353210 100644
--- a/src/stacktrace_powerpc-inl.h
+++ b/src/stacktrace_powerpc-inl.h
@@ -96,7 +96,7 @@ void StacktracePowerPCDummyFunction() { __asm__ volatile(""); }
 // Do not put globals below.
 
 // Load instruction used on top-of-stack get.
-#if defined(__PPC64__) || defined(__LP64__)
+#if defined(__PPC64__) || defined(__ppc64__) || defined(__LP64__)
 # define LOAD "ld"
 #else
 # define LOAD "lwz"