No need to prototype RtlCaptureContext with mingw-w64.

llvm-svn: 232269

diff --git a/llvm/lib/Support/Windows/Signals.inc b/llvm/lib/Support/Windows/Signals.inc
index e03a175..c786850 100644 (file)
--- a/llvm/lib/Support/Windows/Signals.inc
+++ b/llvm/lib/Support/Windows/Signals.inc
@@ -387,8 +387,9 @@ void sys::PrintStackTraceOnErrorSignal() {
 }
 }
 
-#ifdef __MINGW32__
-// Provide a prototype for RtlCaptureContext, mingw32 is missing it.
+#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
+// Provide a prototype for RtlCaptureContext, mingw32 from mingw.org is
+// missing it but mingw-w64 has it.
 extern "C" VOID WINAPI RtlCaptureContext(PCONTEXT ContextRecord);
 #endif