1 files changed, 31 insertions, 0 deletions
diff --git a/lib/eprintf.c b/lib/eprintf.c
new file mode 100644
index 000000000..56d6c18fb
--- /dev/null
+++ b/lib/eprintf.c
@@ -0,0 +1,31 @@
+//===---------- eprintf.c - Implements __eprintf --------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+//
+// __eprintf() was used in an old version of <assert.h>.
+// It can eventually go away, but it is needed when linking
+// .o files built with the old <assert.h>.
+//
+// It should never be exported from a dylib, so it is marked
+// visibility hidden.
+//
+__attribute__((visibility("hidden")))
+void __eprintf(const char* format, const char* assertion_expression,
+				const char* line, const char* file)
+{
+	fprintf(stderr, format, assertion_expression, line, file);
+	fflush(stderr);
+	abort();
+}