Add support for POWER Linux

LICENSE

@@ -5,7 +5,7 @@ This license applies to all parts of Protocol Buffers except the following:
     This file is copyrighted by Red Hat Inc.
 
   - Atomicops support for AIX/POWER, located in
-    src/google/protobuf/stubs/atomicops_internals_aix.h.
+    src/google/protobuf/stubs/atomicops_internals_power.h.
     This file is copyrighted by Bloomberg Finance LP.
 
 Copyright 2014, Google Inc.  All rights reserved.

cmake/extract_includes.bat.in

@@ -72,7 +72,7 @@ copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\source_context.pb.h in
 copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\struct.pb.h include\google\protobuf\struct.pb.h
 copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomic_sequence_num.h include\google\protobuf\stubs\atomic_sequence_num.h
 copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops.h include\google\protobuf\stubs\atomicops.h
-copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_aix.h include\google\protobuf\stubs\atomicops_internals_aix.h
+copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_power.h include\google\protobuf\stubs\atomicops_internals_power.h
 copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_arm64_gcc.h include\google\protobuf\stubs\atomicops_internals_arm64_gcc.h
 copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_arm_gcc.h include\google\protobuf\stubs\atomicops_internals_arm_gcc.h
 copy ${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_arm_qnx.h include\google\protobuf\stubs\atomicops_internals_arm_qnx.h

src/Makefile.am

@@ -58,7 +58,7 @@ MAINTAINERCLEANFILES =   \
 nobase_include_HEADERS =                                        \
   google/protobuf/stubs/atomic_sequence_num.h                   \
   google/protobuf/stubs/atomicops.h                             \
-  google/protobuf/stubs/atomicops_internals_aix.h               \
+  google/protobuf/stubs/atomicops_internals_power.h             \
   google/protobuf/stubs/atomicops_internals_arm64_gcc.h         \
   google/protobuf/stubs/atomicops_internals_arm_gcc.h           \
   google/protobuf/stubs/atomicops_internals_arm_qnx.h           \

src/google/protobuf/stubs/atomicops.h

@@ -192,7 +192,7 @@ Atomic64 Release_Load(volatile const Atomic64* ptr);
 
 // AIX
 #elif defined(GOOGLE_PROTOBUF_OS_AIX)
-#include <google/protobuf/stubs/atomicops_internals_aix.h>
+#include <google/protobuf/stubs/atomicops_internals_power.h>
 
 // Apple.
 #elif defined(GOOGLE_PROTOBUF_OS_APPLE)
@@ -210,6 +210,8 @@ Atomic64 Release_Load(volatile const Atomic64* ptr);
 #include <google/protobuf/stubs/atomicops_internals_arm_qnx.h>
 #elif defined(GOOGLE_PROTOBUF_ARCH_MIPS) || defined(GOOGLE_PROTOBUF_ARCH_MIPS64)
 #include <google/protobuf/stubs/atomicops_internals_mips_gcc.h>
+#elif defined(GOOGLE_PROTOBUF_ARCH_POWER)
+#include <google/protobuf/stubs/atomicops_internals_power.h>
 #elif defined(__native_client__)
 #include <google/protobuf/stubs/atomicops_internals_pnacl.h>
 #elif (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4))

src/google/protobuf/stubs/platform_macros.h

@@ -70,7 +70,7 @@
 #else
 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1
 #endif
-#elif defined(_POWER)
+#elif defined(_POWER) || defined(__powerpc64__) || defined(__PPC64__)
 #define GOOGLE_PROTOBUF_ARCH_POWER 1
 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1
 #elif defined(__GNUC__)