Index: Makefile
===================================================================
--- Makefile	(revision 0529a190d977cfa707dc41585048845e7dde8470)
+++ Makefile	(revision 2fd21fa8adb62a50c4c387c502b22e008193e274)
@@ -9,5 +9,7 @@
 else
 GCC :=			x86_64-w64-mingw32-gcc
+GPP :=			x86_64-w64-mingw32-g++
 SDL2 :=			/opt/sdl2-win
+RTMIDI :=		/opt/rtmidi-win
 EXT :=			.exe
 endif
@@ -75,4 +77,5 @@
 				$(SDL2_LIB)/libSDL2_ttf.a \
 				$(SDL2_LIB)/libfreetype.a \
+				$(RTMIDI_LIB)/librtmidi.a \
 				-l gdi32 \
 				-l imm32 \