Subject: [PATCH] stacktrace: Define ARCH_BITS for ppc64

src/mongo/util/stacktrace_somap.cpp:89:2: error: #error Unknown target architecture.
stacktrace_somap.cpp:92:33: error: 'ELFCLASSARCH_BITS' was not declared in this scope

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
--- a/src/mongo/util/stacktrace_somap.cpp
+++ b/src/mongo/util/stacktrace_somap.cpp
@@ -81,7 +81,7 @@ void addUnameToSoMap(BSONObjBuilder* soM
 
 #if defined(__ELF_NATIVE_CLASS)  // determine ARCH_BITS
 #define ARCH_BITS __ELF_NATIVE_CLASS
-#elif defined(__x86_64__) || defined(__aarch64__)
+#elif defined(__x86_64__) || defined(__aarch64__)  || defined(__powerpc64__)
 #define ARCH_BITS 64
 #elif defined(__i386__) || defined(__arm__)
 #define ARCH_BITS 32