tools/depends/target/zlib/visibility.patch


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--- zconf.h.in	2013-01-23 21:22:22.512584179 -0500
+++ zconf.h.in	2013-01-23 21:21:56.312584196 -0500
@@ -348,7 +348,11 @@
 #endif
 
 #ifndef ZEXTERN
-#  define ZEXTERN extern
+#  ifdef HAVE_HIDDEN
+#    define ZEXTERN extern __attribute__((visibility ("default")))
+#  else
+#    define ZEXTERN extern
+#  endif
 #endif
 #ifndef ZEXPORT
 #  define ZEXPORT