'/Applications/Xcode.app/Contents/Developer/usr/bin/gcc' 'widget.c' -o 'widget.o' -c  -fno-strict-aliasing -fwrapv -fno-common -DHAVE_CHICKEN_CONFIG_H -m64 -DC_ENABLE_PTABLES -Os -fomit-frame-pointer -F/Library/Frameworks -I/usr/local/include/chicken
rm widget.c
Linking...
'/Applications/Xcode.app/Contents/Developer/usr/bin/gcc' 'marklib.o' 'marklib-geometry.o' 'graphics.o' 'widget.o' -o '../bin/widget' -m64 -framework SDL2 -L/usr/local/lib -lchicken -lm
ld: framework not found SDL2
clang: error: linker command failed with exit code 1 (use -v to see invocation)