Fix build when using ValyriaTear/luabind (on Ubuntu 20.04 LTS)

nel/src/gui/lua_helper.cpp

@@ -42,6 +42,12 @@
 	#define assert(x)
 #endif
 
+// Always use unique_ptr with ValyriaTear/luabind on Ubuntu 20,
+// since the setting is not stored in build_information.hpp
+#ifndef LUABIND_USE_CXX11
+#define LUABIND_USE_CXX11
+#endif
+
 #include <luabind/luabind.hpp>
 #include <nel/misc/algo.h>
 #include <nel/misc/path.h>

nel/src/gui/lua_ihm.cpp

@@ -48,6 +48,12 @@
 #	define assert(x)
 #endif
 
+// Always use unique_ptr with ValyriaTear/luabind on Ubuntu 20,
+// since the setting is not stored in build_information.hpp
+#ifndef LUABIND_USE_CXX11
+#define LUABIND_USE_CXX11
+#endif
+
 #include <luabind/luabind.hpp>
 // in luabind > 0.6, LUABIND_MAX_ARITY is set to 10
 #if LUABIND_MAX_ARITY == 10

ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp

@@ -41,6 +41,12 @@
 #	define assert(x)
 #endif
 
+// Always use unique_ptr with ValyriaTear/luabind on Ubuntu 20,
+// since the setting is not stored in build_information.hpp
+#ifndef LUABIND_USE_CXX11
+#define LUABIND_USE_CXX11
+#endif
+
 #include <luabind/luabind.hpp>
 // in luabind > 0.6, LUABIND_MAX_ARITY is set to 10
 #if LUABIND_MAX_ARITY == 10

ryzom/tools/leveldesign/variable_parser/lua_helper.cpp

@@ -30,6 +30,13 @@ extern "C"
 #include <cassert>
 #undef assert
 #define assert nlassert
+
+// Always use unique_ptr with ValyriaTear/luabind on Ubuntu 20,
+// since the setting is not stored in build_information.hpp
+#ifndef LUABIND_USE_CXX11
+#define LUABIND_USE_CXX11
+#endif
+
 #include <luabind/luabind.hpp>
 
 using namespace std;