Fix 3ds compilation

Makefile

@@ -16,7 +16,11 @@ all: $(TARGET)
 	$(MAKE) $(TARGET)
 
 $(TARGET): $(OBJECTS) | vendor/libretro-common/include/libretro.h
+ifeq ($(STATIC_LINKING), 1)
+	$(AR) rcs $@ $(OBJECTS)
+else
 	$(CXX) -o $@ $^ $(LDFLAGS)
+endif
 
 %.o: %.cpp | vendor/libretro-common/include/libretro.h
 	$(CXX) -c -o $@ $< $(CXXFLAGS)

Makefile.common

@@ -49,6 +49,11 @@ ifneq ($(STATIC_LINKING), 1)
     SOURCES_C += $(CORE_DIR)/vendor/libretro-common/utils/md5.c
 endif
 
+ifeq ($(platform), ctr)
+     SOURCES_C += $(CORE_DIR)/vendor/libretro-common/audio/audio_mix.c \
+       $(CORE_DIR)/vendor/libretro-common/audio/audio_mixer.c
+endif
+
 # stb_vorbis
 #SOURCES_C += $(CORE_DIR)/vendor/stb/stb_vorbis.c
 FLAGS += -DHAVE_STB_VORBIS

Makefile.libretro

@@ -190,11 +190,18 @@ else ifeq ($(platform), dos)
 else ifeq ($(platform), ctr)
 	TARGET := $(TARGET_NAME)_libretro_$(platform).a
 	CC = $(DEVKITARM)/bin/arm-none-eabi-gcc$(EXE_EXT)
+	CXX = $(DEVKITARM)/bin/arm-none-eabi-g++$(EXE_EXT)
+	AR = $(DEVKITARM)/bin/arm-none-eabi-ar$(EXE_EXT)
 	AR = $(DEVKITARM)/bin/arm-none-eabi-ar$(EXE_EXT)
 	PLATFORM_DEFINES := -DARM11 -D_3DS
 	CFLAGS += -march=armv6k -mtune=mpcore -mfloat-abi=hard
 	CFLAGS += -Wall -mword-relocations
 	CFLAGS += -fomit-frame-pointer -fstrict-aliasing -ffast-math
+	CFLAGS += -I$(DEVKITPRO)/libctru/include
+	CXXFLAGS += -march=armv6k -mtune=mpcore -mfloat-abi=hard
+	CXXFLAGS += -Wall -mword-relocations
+	CXXFLAGS += -fomit-frame-pointer -fstrict-aliasing -ffast-math
+	CXXFLAGS += -I$(DEVKITPRO)/libctru/include
 	STATIC_LINKING=1
 	EXTERNAL_ZLIB=1
 

src/libretro.cpp

@@ -459,3 +459,9 @@ void retro_run(void) {
 		ChaiLove::environ_cb(RETRO_ENVIRONMENT_SHUTDOWN, 0);
 	}
 }
+
+#ifdef _3DS
+extern "C" int nanosleep(const struct timespec *req, struct timespec *rem) {
+  return 0;
+}
+#endif

src/love/window.cpp

@@ -52,7 +52,7 @@ bool window::load(const config& conf) {
 	}
 
 	// Enable video buffering.
-	app->videoBuffer = (unsigned int *)app->screen->pixels;
+	app->videoBuffer = (uint32_t *)app->screen->pixels;
 
 	// Set the title.
 	setTitle(conf.window.title);