Explicitly require sigc++-2.0

diff --git a/Build b/Build
index e320c39cd5de424d462468d17809b1f42a71668d..c696f60f8d10078d87f29682da6b009365755f72 100644 (file)
--- a/Build
+++ b/Build
@@ -7,6 +7,7 @@ package "mspgltk"
        require "mspgui";
        require "mspcore";
        require "mspdatafile";
+       require "sigc++-2.0";
 
        library "mspgltk"
        {