deps: hide zlib internal symbols

Use HAVE_HIDDEN when compiling zlib so it's internal symbols have __attribute__((visibility ("hidden"))).
nodejs · Jan 31, 2017 · 1ae7920 · 1ae7920
1 parent 8c68def
commit 1ae7920
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/deps/zlib/zlib.gyp b/deps/zlib/zlib.gyp
@@ -48,6 +48,9 @@
               '.',
             ],
           },
+          'defines': [
+            'HAVE_HIDDEN',
+          ],
           'conditions': [
             ['OS!="win"', {
               'cflags!': [ '-ansi' ],