Import libcompiler_rt into HEAD and add Makefiles.

Obtained from:	user/ed/compiler-rt

1 files changed, 33 insertions, 0 deletions

diff --git a/contrib/compiler-rt/lib/eprintf.c b/contrib/compiler-rt/lib/eprintf.c
new file mode 100644
index 0000000..786fe6a
--- /dev/null
+++ b/contrib/compiler-rt/lib/eprintf.c
@@ -0,0 +1,33 @@
+/* ===---------- 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 "int_lib.h"
+#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);
+	compilerrt_abort();
+}