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-rw-r--r--lib/erl_interface/src/misc/ei_internal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/erl_interface/src/misc/ei_internal.h b/lib/erl_interface/src/misc/ei_internal.h
index 9f51d1f61b..f7805efebf 100644
--- a/lib/erl_interface/src/misc/ei_internal.h
+++ b/lib/erl_interface/src/misc/ei_internal.h
@@ -149,7 +149,7 @@
{if (ei_tracelevel >= 5) ei_trace_printf(NAME,1,FORMAT,ARG1,ARG2,ARG3,ARG4, \
ARG5,ARG6,ARG7);}
-int ei_tracelevel;
+extern int ei_tracelevel;
void ei_trace_printf(const char *name, int level, const char *format, ...);