CFLAGS = $(warn) $(opt) $(dbg) $(inc) `pkg-config --cflags sdl2`
CXXFLAGS = -std=c++11 $(warn) $(opt) $(dbg) $(inc) `pkg-config --cflags sdl2`
-LDFLAGS = $(libgl) -lgmath -limago -lgoatvr `pkg-config --libs sdl2`
+LDFLAGS = $(libgl) -lgmath -limago -lgoatvr -loptcfg -ldrawtext `pkg-config --libs sdl2`
ifeq ($(shell uname -s), Darwin)
+ inc += -I/usr/local/include
libgl = -framework OpenGL -lGLEW
else
libgl = -lGL -lGLEW