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-rw-r--r--debug/Versions9
1 files changed, 9 insertions, 0 deletions
diff --git a/debug/Versions b/debug/Versions
new file mode 100644
index 0000000000..28518d5084
--- /dev/null
+++ b/debug/Versions
@@ -0,0 +1,9 @@
+libc {
+  GLIBC_2.1 {
+    # functions used in other libraries
+    __backtrace; __backtrace_symbols;
+
+    # b*
+    backtrace; backtrace_symbols;
+  }
+}