config BR2_PACKAGE_LIBSIGC bool "libsigc++" depends on BR2_INSTALL_LIBSTDCPP help libsigc++ implements a typesafe callback system for standard C++. It allows you to define signals and to connect those signals to any callback function, either global or a member function, regardless of whether it is static or virtual. http://libsigc.sourceforge.net/ comment "libsigc++ requires a toolchain with C++ support enabled" depends on !BR2_INSTALL_LIBSTDCPP