1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/Support/Error.cpp b/llvm/lib/Support/Error.cpp
index 7436a1f..60854f1 100644
--- a/llvm/lib/Support/Error.cpp
+++ b/llvm/lib/Support/Error.cpp
@@ -112,3 +112,18 @@ void report_fatal_error(Error Err, bool GenCrashDiag) {
 }
 
 }
+
+#ifndef _MSC_VER
+namespace llvm {
+
+// One of these two variables will be referenced by a symbol defined in
+// llvm-config.h. We provide a link-time (or load time for DSO) failure when
+// there is a mismatch in the build configuration of the API client and LLVM.
+#if LLVM_ENABLE_ABI_BREAKING_CHECKS
+int EnableABIBreakingChecks;
+#else
+int DisableABIBreakingChecks;
+#endif
+
+} // end namespace llvm
+#endif
+\ No newline at end of file