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-rw-r--r--extension/dl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/extension/dl.c b/extension/dl.c
index 49938fc8..3e784519 100644
--- a/extension/dl.c
+++ b/extension/dl.c
@@ -29,6 +29,8 @@
#include "awk.h"
#include <dlfcn.h>
+int plugin_is_GPL_compatible;
+
static void *sdl = NULL;
static NODE *