1 files changed, 3 insertions, 2 deletions
diff --git a/Arduino.mk b/Arduino.mk
index a238fe6..8ef79c7 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1108,10 +1108,11 @@ endif
 CFLAGS        += $(CFLAGS_STD)
 CXXFLAGS      += -fpermissive -fno-exceptions $(CXXFLAGS_STD)
 ASFLAGS       += -x assembler-with-cpp
+DIAGNOSTICS_COLOR_WHEN ?= always
 ifeq ($(shell expr $(CC_VERNUM) '>' 490), 1)
     ASFLAGS  += -flto
-    CXXFLAGS += -fno-threadsafe-statics -flto -fno-devirtualize -fdiagnostics-color
-    CFLAGS   += -flto -fno-fat-lto-objects -fdiagnostics-color
+    CXXFLAGS += -fno-threadsafe-statics -flto -fno-devirtualize -fdiagnostics-color=$(DIAGNOSTICS_COLOR_WHEN)
+    CFLAGS   += -flto -fno-fat-lto-objects -fdiagnostics-color=$(DIAGNOSTICS_COLOR_WHEN)
 endif
 LDFLAGS       += -$(MCU_FLAG_NAME)=$(MCU) -Wl,--gc-sections -O$(OPTIMIZATION_LEVEL)
 ifeq ($(shell expr $(CC_VERNUM) '>' 490), 1)