Reduce warnings, extern "C" cleanup (MarlinFirmware#20279)

zillarob · Feb 25, 2021 · 3aa17d6 · 3aa17d6
1 parent 54f1f34
commit 3aa17d6
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Showing 2 changed files with 14 additions and 6 deletions.
diff --git a/Marlin/src/HAL/STM32/HAL.h b/Marlin/src/HAL/STM32/HAL.h
@@ -150,15 +150,19 @@ void _delay_ms(const int delay);
 
 extern "C" char* _sbrk(int incr);
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-function"
+#if GCC_VERSION <= 50000
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wunused-function"
+#endif
 
 static inline int freeMemory() {
   volatile char top;
   return &top - reinterpret_cast<char*>(_sbrk(0));
 }
 
-#pragma GCC diagnostic pop
+#if GCC_VERSION <= 50000
+  #pragma GCC diagnostic pop
+#endif
 
 //
 // ADC

diff --git a/Marlin/src/HAL/STM32F1/HAL.h b/Marlin/src/HAL/STM32F1/HAL.h
@@ -199,8 +199,10 @@ inline void HAL_reboot() {}  // reboot the board or restart the bootloader
 
 void _delay_ms(const int delay);
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-function"
+#if GCC_VERSION <= 50000
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wunused-function"
+#endif
 
 /*
 extern "C" {
@@ -215,7 +217,9 @@ static inline int freeMemory() {
   return &top - _sbrk(0);
 }
 
-#pragma GCC diagnostic pop
+#if GCC_VERSION <= 50000
+  #pragma GCC diagnostic pop
+#endif
 
 //
 // ADC