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-rw-r--r--libguile/whippet/api/gc-visibility.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/libguile/whippet/api/gc-visibility.h b/libguile/whippet/api/gc-visibility.h
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index 000000000..b7e1995df
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+++ b/libguile/whippet/api/gc-visibility.h
@@ -0,0 +1,12 @@
+#ifndef GC_VISIBILITY_H_
+#define GC_VISIBILITY_H_
+
+#define GC_INTERNAL __attribute__((visibility("hidden")))
+#define GC_PUBLIC __attribute__((visibility("default")))
+
+// FIXME: Conflict with bdw-gc GC_API. Switch prefix?
+#ifndef GC_API_
+#define GC_API_ GC_INTERNAL
+#endif
+
+#endif // GC_VISIBILITY_H