Add macro for forcing hidden visibility.

lsst · Sep 19, 2018 · 3b7656b · 3b7656b
1 parent 2cc461c
commit 3b7656b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/include/lsst/base.h b/include/lsst/base.h
@@ -53,4 +53,11 @@
  */
 # define LSST_EXPORT __attribute__ ((visibility("default")))
 
+/**
+ * Make a symbol hidden even if default visiblity is public.
+ *
+ * This implementation works for gcc and clang; it has not been tested for other compilers
+ */
+# define LSST_PRIVATE __attribute__ ((visibility("hidden")))
+
 #endif