$ make -j4 -f GNUmakefile target=libretro platform=windows
Compiling target-libretro/libretro.cpp ...
Compiling ../libco/libco.c ...
Compiling emulator/emulator.cpp ...
Compiling filter/filter.cpp ...
Compiling lzma/lzma.cpp ...
Compiling sfc/interface/interface.cpp ...
Compiling sfc/system/system.cpp ...
Compiling sfc/controller/controller.cpp ...
Compiling sfc/cartridge/cartridge.cpp ...
Compiling sfc/memory/memory.cpp ...
Compiling sfc/cpu/cpu.cpp ...
Compiling sfc/smp/smp.cpp ...
Compiling sfc/dsp/dsp.cpp ...
Compiling sfc/ppu/ppu.cpp ...
Compiling sfc/ppu-fast/ppu.cpp ...
Compiling sfc/expansion/expansion.cpp ...
Compiling sfc/coprocessor/coprocessor.cpp ...
Compiling sfc/slot/slot.cpp ...
Compiling gb/Core/apu.c ...
Compiling gb/Core/camera.c ...
Compiling gb/Core/display.c ...
Compiling gb/Core/gb.c ...
Compiling gb/Core/joypad.c ...
Compiling gb/Core/mbc.c ...
Compiling gb/Core/memory.c ...
Compiling gb/Core/printer.c ...
Compiling gb/Core/random.c ...
Compiling gb/Core/rewind.c ...
Compiling gb/Core/save_state.c ...
Compiling gb/Core/sgb.c ...
Compiling gb/Core/sm83_cpu.c ...
Compiling gb/Core/symbol_hash.c ...
Compiling gb/Core/timing.c ...
Compiling processor/arm7tdmi/arm7tdmi.cpp ...
Compiling processor/spc700/spc700.cpp ...
Compiling processor/wdc65816/wdc65816.cpp ...
g++ -o out/bsnes_libretro.dll -shared obj/libretro.o obj/libco.o obj/emulator.o obj/filter.o obj/lzma.o obj/sfc-interface.o obj/sfc-system.o obj/sfc-controller.o obj/sfc-cartridge.o obj/sfc-memory.o obj/sfc-cpu.o obj/sfc-smp.o obj/sfc-dsp.o obj/sfc-ppu.o obj/sfc-ppu-fast.o obj/sfc-expansion.o obj/sfc-coprocessor.o obj/sfc-slot.o obj/gb-apu.o obj/gb-camera.o obj/gb-display.o obj/gb-gb.o obj/gb-joypad.o obj/gb-mbc.o obj/gb-memory.o obj/gb-printer.o obj/gb-random.o obj/gb-rewind.o obj/gb-save_state.o obj/gb-sgb.o obj/gb-sm83_cpu.o obj/gb-symbol_hash.o obj/gb-timing.o obj/processor-arm7tdmi.o obj/processor-spc700.o obj/processor-wdc65816.o -Wl,--no-undefined -Wl,--version-script=target-libretro/link.T -static-libgcc -static-libstdc++ -Wl,-Bstatic -lws2_32 -fopenmp -mthreads -lpthread -lws2_32 -lole32 -static -static-libgcc -static-libstdc++ -mwindows -luuid -lkernel32 -luser32 -lgdi32 -lcomctl32 -lcomdlg32 -lshell32 -Wl,-enable-auto-import -Wl,-enable-runtime-pseudo-reloc -I../sameboy -Wl,-Bdynamic