X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ffbc1990d1f599a3400c4d5f463acb39315e4a2f..2126732187091fcdb61329b9ba2821627469f44a:/include/wx/beforestd.h?ds=sidebyside

diff --git a/include/wx/beforestd.h b/include/wx/beforestd.h
index 945296dde1..5bf6377113 100644
--- a/include/wx/beforestd.h
+++ b/include/wx/beforestd.h
@@ -37,6 +37,9 @@
         // 'expression' : signed/unsigned mismatch
         #pragma warning(disable:4018)
 
+        // 'identifier' : unreferenced formal parameter
+        #pragma warning(disable:4100)
+
         // 'conversion' : conversion from 'type1' to 'type2',
         // possible loss of data
         #pragma warning(disable:4244)
@@ -60,3 +63,13 @@
     #pragma warning(disable:4786)
 #endif // VC++ < 7
 
+/**
+    GCC's visibility support is broken for libstdc++ in some older versions
+    (namely Debian/Ubuntu's GCC 4.1, see
+    https://bugs.launchpad.net/ubuntu/+source/gcc-4.1/+bug/109262). We fix it
+    here by mimicking newer versions' behaviour of using default visibility
+    for libstdc++ code.
+ */
+#if defined(HAVE_VISIBILITY) && defined(HAVE_BROKEN_LIBSTDCXX_VISIBILITY)
+    #pragma GCC visibility push(default)
+#endif