CXX_BUILD - Fix some undefined reference linker errors

audio/dsp_filter.h

@@ -16,6 +16,10 @@
 #ifndef RARCH_DSP_FILTER_H__
 #define RARCH_DSP_FILTER_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct rarch_dsp_filter rarch_dsp_filter_t;
 
 rarch_dsp_filter_t *rarch_dsp_filter_new(const char *filter_config,
@@ -36,5 +40,9 @@ struct rarch_dsp_data
 void rarch_dsp_filter_process(rarch_dsp_filter_t *dsp,
       struct rarch_dsp_data *data);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 

autosave.h

@@ -16,6 +16,10 @@
 #ifndef __RARCH_AUTOSAVE_H
 #define __RARCH_AUTOSAVE_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stddef.h>
 
 typedef struct autosave autosave_t;
@@ -33,4 +37,8 @@ void lock_autosave(void);
 
 void unlock_autosave(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

cheats.h

@@ -16,6 +16,10 @@
 #ifndef __RARCH_CHEATS_H
 #define __RARCH_CHEATS_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct cheat_manager cheat_manager_t;
 
 cheat_manager_t* cheat_manager_new(const char *path);
@@ -28,4 +32,8 @@ void cheat_manager_index_prev(cheat_manager_t *handle);
 
 void cheat_manager_toggle(cheat_manager_t *handle);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

input/input_common.h

@@ -16,14 +16,15 @@
 #ifndef INPUT_COMMON_H__
 #define INPUT_COMMON_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "input_context.h"
 #include <file/config_file.h>
 #include <stdint.h>
 #include "../driver.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
 
 typedef uint64_t retro_input_t ;
 

libretro-sdk/include/gfx/scaler/filter.h

@@ -23,10 +23,18 @@
 #ifndef __LIBRETRO_SDK_SCALER_FILTER_H__
 #define __LIBRETRO_SDK_SCALER_FILTER_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <boolean.h>
 #include <gfx/scaler/scaler.h>
 
 bool scaler_gen_filter(struct scaler_ctx *ctx);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 

libretro-sdk/include/gfx/scaler/scaler.h

@@ -23,6 +23,10 @@
 #ifndef __LIBRETRO_SDK_SCALER_H__
 #define __LIBRETRO_SDK_SCALER_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stdint.h>
 #include <stddef.h>
 #include <boolean.h>
@@ -115,5 +119,9 @@ void scaler_ctx_scale(struct scaler_ctx *ctx,
 void *scaler_alloc(size_t elem_size, size_t size);
 void scaler_free(void *ptr);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 

movie.h

@@ -16,6 +16,10 @@
 #ifndef __RARCH_MOVIE_H
 #define __RARCH_MOVIE_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stdint.h>
 #include <stddef.h>
 #include <boolean.h>
@@ -52,5 +56,9 @@ void bsv_movie_frame_rewind(bsv_movie_t *handle);
 
 void bsv_movie_free(bsv_movie_t *handle);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 

retro.h

@@ -18,6 +18,10 @@
 #ifndef _RETRO_IMPLEMENTATION_V1_H
 #define _RETRO_IMPLEMENTATION_V1_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "libretro.h"
 
 typedef struct retro_callbacks
@@ -34,4 +38,8 @@ void retro_set_default_callbacks(void *data);
 void retro_set_rewind_callbacks(void);
 void retro_flush_audio(const int16_t *data, size_t samples);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif

rewind.h

@@ -16,6 +16,10 @@
 #ifndef __RARCH_REWIND_H
 #define __RARCH_REWIND_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stddef.h>
 #include <boolean.h>
 
@@ -34,4 +38,8 @@ void state_manager_push_do(state_manager_t *state);
 void state_manager_capacity(state_manager_t *state,
       unsigned int *entries, size_t *bytes, bool *full);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif