Should compile now with MISSING_DECLS = 1

Makefile

@@ -1,5 +1,5 @@
 HAVE_FILE_LOGGER=1
-MISSING_DECLS=0
+MISSING_DECLS   =0
 
 include config.mk
 

cores/stb_image.h

@@ -1179,6 +1179,10 @@ STBIDEF void   stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; }
 STBIDEF void   stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; }
 #endif
 
+/* forward declarations */
+STBIDEF void   stbi_hdr_to_ldr_gamma(float gamma);
+STBIDEF void   stbi_hdr_to_ldr_scale(float scale);
+
 STBIDEF void   stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; }
 STBIDEF void   stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; }
 

input/drivers/x11_input.c

@@ -30,6 +30,9 @@
 #include "../../gfx/video_viewport.h"
 #include "../../general.h"
 
+/* forward declarations */
+void x_input_poll_wheel(void *data, XButtonEvent *event, bool latch);
+
 typedef struct x11_input
 {
    bool blocked;

input/drivers_keyboard/keyboard_event_x11.c

@@ -27,6 +27,9 @@
 
 #include "../input_keymaps.h"
 
+/* forward declarations */
+void x11_handle_key_event(XEvent *event, XIC ic, bool filter);
+
 static INLINE unsigned leading_ones(uint8_t c)
 {
    unsigned ones = 0;

input/drivers_keyboard/keyboard_event_xkb.c

@@ -22,6 +22,13 @@
 
 #define MOD_MAP_SIZE 5
 
+/* forward declarations */
+void handle_xkb(
+      struct xkb_state *xkb_state, 
+      xkb_mod_index_t *mod_map_idx,
+      uint16_t *mod_map_bit,
+      int code, int value);
+
 /* FIXME: Don't handle composed and dead-keys properly. 
  * Waiting for support in libxkbcommon ... */
 void handle_xkb(

menu/cbs/menu_cbs_deferred_push.c

@@ -27,6 +27,10 @@
 #include "../../general.h"
 #include "../../file_ext.h"
 
+/* foward declarations */
+int cb_core_updater_list(void *data_, size_t len);
+int cb_core_content_list(void *data_, size_t len);
+
 static int deferred_push_core_information(menu_displaylist_info_t *info)
 {
    return menu_displaylist_push_list(info, DISPLAYLIST_CORE_INFO);

menu/cbs/menu_cbs_start.c

@@ -288,7 +288,7 @@ static int action_start_lookup_setting(unsigned type, const char *label)
    return menu_setting_set(type, label, MENU_ACTION_START, false);
 }
 
-int menu_cbs_init_bind_start_compare_label(menu_file_list_cbs_t *cbs,
+static int menu_cbs_init_bind_start_compare_label(menu_file_list_cbs_t *cbs,
       uint32_t hash)
 {
    switch (hash)

menu/menu_setting.c

@@ -1813,7 +1813,7 @@ static rarch_setting_t setting_bind_setting(const char* name,
  *
  * Returns: String setting of type @type.
  **/
-rarch_setting_t setting_string_setting(enum setting_type type,
+static rarch_setting_t setting_string_setting(enum setting_type type,
       const char* name, const char* short_description, char* target,
       unsigned size, const char* default_value, const char *empty,
       const char *group, const char *subgroup, const char *parent_group,