[Support] Fix Wundef warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@368984 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/Signposts.cpp b/lib/Support/Signposts.cpp
index d456f41d2fa6f5537d2f1ee9f622f4d948ed77df..aa159e1da2ae8eb711c90e80a85d5dbe0b0bf536 100644 (file)
--- a/lib/Support/Signposts.cpp
+++ b/lib/Support/Signposts.cpp
@@ -78,6 +78,8 @@ public:
 
 #if LLVM_SUPPORT_XCODE_SIGNPOSTS
 #define HAVE_ANY_SIGNPOST_IMPL 1
+#else
+#define HAVE_ANY_SIGNPOST_IMPL 0
 #endif
 
 SignpostEmitter::SignpostEmitter() {