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/LPC1768/HAL.h
+++ b/Marlin/src/HAL/LPC1768/HAL.h
@@ -107,10 +107,16 @@ extern "C" volatile uint32_t _millis;
 //
 // Utility functions
 //
-#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

 //
 // ADC API