From 238622c3d1adf4585a07e8ed2093e094b9affffc Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Thu, 16 Feb 2012 06:14:19 +0000
Subject: [PATCH] build with visibility=hidden by default on gcc and llvm

---
 Jamfile | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Jamfile b/Jamfile
index 518a31854..88526e8aa 100755
--- a/Jamfile
+++ b/Jamfile
@@ -341,9 +341,6 @@ feature fpic : off on : composite propagated link-incompatible ;
 feature.compose <fpic>on : <cflags>-fPIC ;
 feature.compose <fpic>off : <toolset>darwin:<cflags>-mdynamic-no-pic ;
 
-feature visibility : default hidden : composite propagated link-incompatible ;
-feature.compose <visibility>hidden : <cflags>-fvisibility=hidden ;
-
 # required for openssl on windows
 lib ssleay32 : : <name>ssleay32 ;
 lib libeay32 : : <name>libeay32 ;
@@ -543,6 +540,12 @@ lib torrent
 	<dht-support>logging:<source>src/kademlia/$(KADEMLIA_SOURCES).cpp
 	<conditional>@building
 	<boost>system:<cxxflags>$(CXXFLAGS)
+
+# hide non-external symbols
+	<toolset>darwin:<cflags>-fvisibility=hidden
+	<toolset>gcc:<cflags>-fvisibility=hidden
+	<toolset>llvm:<cflags>-fvisibility=hidden
+
 	$(usage-requirements)
 
 	: # default build