FS-8047: [build] fix build errors in mod_rtmp, mod_oreka, and mod_sangoma_codec…

FS-8047: [build] fix build errors in mod_rtmp, mod_oreka, and mod_sangoma_codec due to using __FUNCTION__ on newer compilers

src/mod/applications/mod_oreka/mod_oreka.c

@@ -454,7 +454,7 @@ static switch_bool_t oreka_audio_callback(switch_media_bug_t *bug, void *user_da
 		for (i = 0; i < linear_len / sizeof(int16_t); i++) {
 			pcmu_data[i] = linear_to_ulaw(linear_samples[i]);
 		}
-		pcmu_frame.source = __FUNCTION__;
+		pcmu_frame.source = __SWITCH_FUNC__;
 		pcmu_frame.data = pcmu_data;
 		pcmu_frame.datalen = i;
 		pcmu_frame.payload = 0;
@@ -515,7 +515,7 @@ static switch_bool_t oreka_audio_callback(switch_media_bug_t *bug, void *user_da
                     for (i = 0; i < linear_len / sizeof(int16_t); i++) {
                         pcmu_data[i] = linear_to_ulaw(linear_samples[i]);
                     }
-                    pcmu_frame.source = __FUNCTION__;
+                    pcmu_frame.source = __SWITCH_FUNC__;
                     pcmu_frame.data = pcmu_data;
                     pcmu_frame.datalen = i;
                     pcmu_frame.payload = 0;

src/mod/applications/mod_redis/credis.c

@@ -69,6 +69,9 @@
 #define CR_VERSION_STRING_SIZE_STR STRINGIFY(CREDIS_VERSION_STRING_SIZE)
 
 #ifdef PRINTDEBUG
+#if !defined(_MSC_VER) && !defined(__FUNCTION__)
+#define __FUNCTION__ (const char *)__func__
+#endif
 /* add -DPRINTDEBUG to CPPFLAGS in Makefile for debug outputs */
 #define DEBUG(...)                                 \
   do {                                             \

src/mod/codecs/mod_sangoma_codec/mod_sangoma_codec.c

@@ -510,7 +510,7 @@ static switch_status_t switch_sangoma_encode(switch_codec_t *codec, switch_codec
 
 	/* do the writing */
 	memset(&linear_frame, 0, sizeof(linear_frame));	
-	linear_frame.source = __FUNCTION__;
+	linear_frame.source = __SWITCH_FUNC__;
 	linear_frame.data = decoded_byteswapped_data;
 	linear_frame.datalen = decoded_data_len;
 	linear_frame.payload = linear_payload;
@@ -720,7 +720,7 @@ static switch_status_t switch_sangoma_decode(switch_codec_t *codec,	/* codec ses
 
 	/* do the writing */
 	memset(&encoded_frame, 0, sizeof(encoded_frame));
-	encoded_frame.source = __FUNCTION__;
+	encoded_frame.source = __SWITCH_FUNC__;
 	encoded_frame.data = encoded_data;
 	encoded_frame.datalen = encoded_data_len;
 	encoded_frame.payload = codec->implementation->ianacode;

src/mod/endpoints/mod_rtmp/handshake.h

@@ -30,6 +30,10 @@
 #include <openssl/hmac.h>
 #include <openssl/sha.h>
 
+#if !defined(_MSC_VER) && !defined(__FUNCTION__)
+#define __FUNCTION__ (const char *)__func__
+#endif
+
 #if OPENSSL_VERSION_NUMBER < 0x0090800 || !defined(SHA256_DIGEST_LENGTH)
 #error Your OpenSSL is too old, need 0.9.8 or newer with SHA256
 #endif