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

2020-11-25 21:40:56 -06:00
parent 649965ae32
commit 18853defdd
26 changed files with 170 additions and 122 deletions
--- a/Marlin/src/HAL/DUE/HAL.h
+++ b/Marlin/src/HAL/DUE/HAL.h
@ -153,10 +153,16 @@ void HAL_init();
 //
 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
+
 int freeMemory();
-#pragma GCC diagnostic pop
+
+#if GCC_VERSION <= 50000
+  #pragma GCC diagnostic pop
+#endif

 #ifdef __cplusplus
  extern "C" {