From ec70372f854532ffacb6566492595d5421bda1ab Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Wed, 27 Mar 2019 13:24:06 -0400
Subject: [PATCH] command_line_interface: check if __APPLE__ is defined

---
 src/google/protobuf/compiler/command_line_interface.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/google/protobuf/compiler/command_line_interface.cc b/src/google/protobuf/compiler/command_line_interface.cc
index 126c433b6..ee27850c1 100644
--- a/src/google/protobuf/compiler/command_line_interface.cc
+++ b/src/google/protobuf/compiler/command_line_interface.cc
@@ -195,7 +195,7 @@ bool GetProtocAbsolutePath(std::string* path) {
 #ifdef _WIN32
   char buffer[MAX_PATH];
   int len = GetModuleFileNameA(NULL, buffer, MAX_PATH);
-#elif __APPLE__
+#elif defined(__APPLE__)
   char buffer[PATH_MAX];
   int len = 0;