diff --git a/audio/drivers/wiiu_audio.c b/audio/drivers/wiiu_audio.c
index e4dadd7362..437ee310bf 100644
--- a/audio/drivers/wiiu_audio.c
+++ b/audio/drivers/wiiu_audio.c
@@ -193,11 +193,11 @@ static bool ax_audio_start(void* data, bool is_shutdown)
 
 static ssize_t ax_audio_write(void* data, const void* buf, size_t size)
 {
-   int i;
+   uint32_t i;
    size_t countAvail   = 0;
    ax_audio_t* ax      = (ax_audio_t*)data;
    const uint16_t* src = buf;
-   int count           = size >> 2;
+   size_t count        = size >> 2;
 
    if(!size || (size & 0x3))
       return 0;
@@ -330,8 +330,8 @@ audio_driver_t audio_ax =
    ax_audio_free,
    ax_audio_use_float,
    "AX",
-   NULL,
-   NULL,
-/*   ax_audio_write_avail, */
-/*   ax_audio_buffer_size */
+   NULL, /* device_list_new */
+   NULL, /* device_list_free */
+   NULL, /* write_avail */
+   NULL, /* buffer_size */
 };
diff --git a/frontend/drivers/platform_wiiu.c b/frontend/drivers/platform_wiiu.c
index eb489d750c..c97ec97139 100644
--- a/frontend/drivers/platform_wiiu.c
+++ b/frontend/drivers/platform_wiiu.c
@@ -308,6 +308,7 @@ frontend_ctx_driver_t frontend_ctx_wiiu =
    NULL,                         /* attach_console */
    NULL,                         /* detach_console */
    "wiiu",
+   NULL,                         /* get_video_driver */
 };
 
 static int wiiu_log_socket = -1;
@@ -379,6 +380,7 @@ void net_print_exp(const char *str)
    send(wiiu_log_socket, str, strlen(str), 0);
 }
 
+#if defined(PC_DEVELOPMENT_IP_ADDRESS) && defined(PC_DEVELOPMENT_TCP_PORT)
 static devoptab_t dotab_stdout =
 {
    "stdout_net", // device name
@@ -389,6 +391,7 @@ static devoptab_t dotab_stdout =
    NULL,
    /* ... */
 };
+#endif
 
 void SaveCallback()
 {
@@ -642,7 +645,7 @@ void _start(int argc, char **argv)
    __init();
    fsdev_init();
 
-   int ret = main(argc, argv);
+   main(argc, argv);
 
    fsdev_exit();
 //   __fini();
diff --git a/gfx/drivers/wiiu_gfx.c b/gfx/drivers/wiiu_gfx.c
index 069acfe3d4..68fda316af 100644
--- a/gfx/drivers/wiiu_gfx.c
+++ b/gfx/drivers/wiiu_gfx.c
@@ -51,7 +51,7 @@ static const wiiu_render_mode_t wiiu_render_mode_map[] =
    {1920, 1080, GX2_TV_RENDER_MODE_WIDE_1080P}  /* GX2_TV_SCAN_MODE_1080P */
 };
 
-static int wiiu_set_position(position_t* position, GX2ColorBuffer* draw_buffer, float x0, float y0, float x1, float y1)
+static void wiiu_set_position(position_t* position, GX2ColorBuffer* draw_buffer, float x0, float y0, float x1, float y1)
 {
    position[0].x = (2.0f * x0 / draw_buffer->surface.width) - 1.0f;
    position[0].y = (2.0f * y0 / draw_buffer->surface.height) - 1.0f;
@@ -194,7 +194,6 @@ static void wiiu_gfx_set_aspect_ratio(void* data, unsigned aspect_ratio_idx)
 static void* wiiu_gfx_init(const video_info_t* video,
       const input_driver_t** input, void** input_data)
 {
-   int i;
    float refresh_rate = 60.0f / 1.001f;
    u32 size           = 0;
    u32 tmp            = 0;
@@ -387,9 +386,9 @@ static void* wiiu_gfx_init(const video_info_t* video,
 
    wiiu->vertex_cache.size       = 0x1000;
    wiiu->vertex_cache.current    = 0;
-   wiiu->vertex_cache.positions  = MEM2_alloc(wiiu->vertex_cache.size 
+   wiiu->vertex_cache.positions  = MEM2_alloc(wiiu->vertex_cache.size
          * sizeof(position_t), GX2_VERTEX_BUFFER_ALIGNMENT);
-   wiiu->vertex_cache.tex_coords = MEM2_alloc(wiiu->vertex_cache.size 
+   wiiu->vertex_cache.tex_coords = MEM2_alloc(wiiu->vertex_cache.size
          * sizeof(tex_coord_t), GX2_VERTEX_BUFFER_ALIGNMENT);
 
    /* Initialize samplers */
@@ -498,7 +497,7 @@ static bool wiiu_gfx_frame(void* data, const void* frame,
    static u32 lastTick , currentTick;
    u32 diff;
 #endif
-   int i;
+   uint32_t i;
    wiiu_video_t* wiiu = (wiiu_video_t*) data;
 
    (void)msg;
@@ -572,7 +571,7 @@ static bool wiiu_gfx_frame(void* data, const void* frame,
 
          for (i = 0; i < height; i++)
          {
-            int j;
+            uint32_t j;
             for(j = 0; j < width; j++)
                dst[j] = src[j];
             dst += wiiu->texture.surface.pitch;
@@ -725,7 +724,7 @@ static bool wiiu_gfx_read_viewport(void* data, uint8_t* buffer, bool is_idle)
 static uintptr_t wiiu_gfx_load_texture(void* video_data, void* data,
       bool threaded, enum texture_filter_type filter_type)
 {
-   int i;
+   uint32_t i;
    wiiu_video_t* wiiu = (wiiu_video_t*) video_data;
    struct texture_image *image = (struct texture_image*)data;
 
@@ -785,7 +784,7 @@ static void wiiu_gfx_apply_state_changes(void* data)
 static void wiiu_gfx_set_texture_frame(void* data, const void* frame, bool rgb32,
                                    unsigned width, unsigned height, float alpha)
 {
-   int i;
+   uint32_t i;
    const uint16_t *src = NULL;
    uint16_t *dst       = NULL;
    wiiu_video_t* wiiu  = (wiiu_video_t*) data;
@@ -851,13 +850,13 @@ static const video_poke_interface_t wiiu_poke_interface =
 {
    wiiu_gfx_load_texture,
    wiiu_gfx_unload_texture,
-   NULL,
+   NULL, /* set_video_mode */
    wiiu_gfx_set_filtering,
    NULL, /* get_video_output_size */
    NULL, /* get_video_output_prev */
    NULL, /* get_video_output_next */
    NULL, /* get_current_framebuffer */
-   NULL,
+   NULL, /* get_proc_address */
    wiiu_gfx_set_aspect_ratio,
    wiiu_gfx_apply_state_changes,
 #ifdef HAVE_MENU
@@ -865,9 +864,11 @@ static const video_poke_interface_t wiiu_poke_interface =
 #endif
    wiiu_gfx_set_texture_enable,
    wiiu_gfx_set_osd_msg,
-   NULL,
-   NULL,
-   NULL
+   NULL, /* show_mouse */
+   NULL, /* grab_mouse_toggle */
+   NULL, /* get_current_shader */
+   NULL, /* get_current_software_framebuffer */
+   NULL, /* get_hw_render_interface */
 };
 
 static void wiiu_gfx_get_poke_interface(void* data,
@@ -898,4 +899,5 @@ video_driver_t video_wiiu =
    NULL, /* overlay_interface */
 #endif
    wiiu_gfx_get_poke_interface,
+   NULL, /* wrap_type_to_enum */
 };
diff --git a/gfx/drivers_font/wiiu_font.c b/gfx/drivers_font/wiiu_font.c
index cc0c1dc3e2..c7a34383dc 100644
--- a/gfx/drivers_font/wiiu_font.c
+++ b/gfx/drivers_font/wiiu_font.c
@@ -40,7 +40,7 @@ typedef struct
 static void* wiiu_font_init_font(void* data, const char* font_path,
       float font_size, bool is_threaded)
 {
-   int i;
+   uint32_t i;
    wiiu_font_t* font = (wiiu_font_t*)calloc(1, sizeof(*font));
 
    if (!font)
diff --git a/wiiu/hbl.c b/wiiu/hbl.c
index 685cd42318..6d4c438e95 100644
--- a/wiiu/hbl.c
+++ b/wiiu/hbl.c
@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <malloc.h>
 #include <string.h>
+#include <inttypes.h>
 #include <wiiu/os.h>
 
 #include "hbl.h"
@@ -236,7 +237,7 @@ int HBL_loadToMemory(const char *filepath, u32 args_size)
    if (bytesRead != fileSize)
    {
       free(buffer);
-      printf("File loading not finished for file %s, finished %i of %i bytes\n", filepath, bytesRead,
+      printf("File loading not finished for file %s, finished %" PRIi32 " of %" PRIi32 " bytes\n", filepath, bytesRead,
              fileSize);
       printf("File read failure");
       return -1;
diff --git a/wiiu/wiiu_dbg.h b/wiiu/wiiu_dbg.h
index 01350857db..dca469321a 100644
--- a/wiiu/wiiu_dbg.h
+++ b/wiiu/wiiu_dbg.h
@@ -3,6 +3,7 @@
 
 #include <stdio.h>
 #include <stdint.h>
+#include <inttypes.h>
 
 #ifdef WIIU
 #include <wiiu/types.h>
@@ -26,11 +27,11 @@ void DisassemblePPCRange(void *start, void *end, void* printf_func, void* GetSym
 //#define DEBUG_HOLD() do{printf("%s@%s:%d.\n",__FUNCTION__, __FILE__, __LINE__);fflush(stdout);wait_for_input();}while(0)
 #define DEBUG_LINE() do{printf("%s:%4d %s().\n", __FILE__, __LINE__, __FUNCTION__);fflush(stdout);}while(0)
 #define DEBUG_STR(X) printf( "%s: %s\n", #X, (char*)(X))
-#define DEBUG_VAR(X) printf( "%-20s: 0x%08X\n", #X, (uint32_t)(X))
-#define DEBUG_VAR2(X) printf( "%-20s: 0x%08X (%i)\n", #X, (uint32_t)(X), (int)(X))
-#define DEBUG_INT(X) printf( "%-20s: %10i\n", #X, (int32_t)(X))
+#define DEBUG_VAR(X) printf( "%-20s: 0x%08" PRIX32 "\n", #X, (uint32_t)(X))
+#define DEBUG_VAR2(X) printf( "%-20s: 0x%08" PRIX32 " (%i)\n", #X, (uint32_t)(X), (int)(X))
+#define DEBUG_INT(X) printf( "%-20s: %10" PRIi32 "\n", #X, (int32_t)(X))
 #define DEBUG_FLOAT(X) printf( "%-20s: %10.3f\n", #X, (float)(X))
-#define DEBUG_VAR64(X) printf( #X"\r\t\t\t\t : 0x%016llX\n", (uint64_t)(X))
+#define DEBUG_VAR64(X) printf( #X"\r\t\t\t\t : 0x%016" PRIX64 "\n", (uint64_t)(X))
 //#define DEBUG_ERROR(X) do{if(X)dump_result_value(X);}while(0)
 #define PRINTFPOS(X,Y) "\x1b["#X";"#Y"H"
 #define PRINTFPOS_STR(X,Y) "\x1b[" X ";" Y "H"