boost: Turn off warning that signals are deprecated

diff --git a/configure.ac b/configure.ac
index e3302e45f04e779ef75a786c509fba8353cc5858..a3d699db4e3e9006e964deb017af7e9fdd76e533 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -279,6 +279,7 @@ char * strerror(int n);
 #define BOOST_DISABLE_THREADS 1
 #define BOOST_NO_WREGEX 1
 #define BOOST_NO_WSTRING 1
+#define BOOST_SIGNALS_NO_DEPRECATION_WARNING 1
 
 // TR1 regex not supported in GCC <= 4.5
 #ifndef LYX_USE_TR1