Bug: https://bugs.gentoo.org/show_bug.cgi?id=610654
Upstream Ticket: https://sourceforge.net/p/dangerdeep/patches/26/

--- a/src/system.cpp
+++ b/src/system.cpp
@@ -178,7 +178,7 @@
 	instance = this;
 }
 
-system::~system()
+system::~system() DTOR_NOEXCEPT
 {
 	if (!instance) {
 		SDL_Quit();
--- a/src/system.h
+++ b/src/system.h
@@ -52,6 +52,12 @@
 #define ASSERT(a,...)
 #endif
 
+#if __cplusplus >= 201103L
+#define DTOR_NOEXCEPT noexcept(false)
+#else
+#define DTOR_NOEXCEPT
+#endif
+
 class font;
 class texture;
 
@@ -61,7 +67,7 @@
 public:
 	enum button_type { left_button=0x1, right_button=0x2, middle_button=0x4, wheel_up=0x8, wheel_down=0x10 };
 	system(double nearz_, double farz_, unsigned res_x=1024, unsigned res_y=768, bool fullscreen=true);
-	~system();
+	~system() DTOR_NOEXCEPT;
 	void set_video_mode(unsigned res_x_, unsigned res_y_, bool fullscreen);
 	void swap_buffers();