diff --git a/core/Makefile b/core/Makefile
index 10c1c5215..e555e9898 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -51,6 +51,7 @@ SYSTEM_FILES_DIR ?= \
 ######################################
 
 CPP_SOURCES ?= 
+CC_SOURCES ?= 
 
 C_SOURCES += \
 $(SYSTEM_FILES_DIR)/startup_stm32h750xx.c
@@ -224,6 +225,8 @@ OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
 vpath %.c $(sort $(dir $(C_SOURCES)))
 OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(CPP_SOURCES:.cpp=.o)))
 vpath %.cpp $(sort $(dir $(CPP_SOURCES)))
+OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(CC_SOURCES:.cc=.o)))
+vpath %.cc $(sort $(dir $(CC_SOURCES)))
 # list of ASM program objects
 OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
 vpath %.s $(sort $(dir $(ASM_SOURCES)))
@@ -234,6 +237,9 @@ $(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
 $(BUILD_DIR)/%.o: %.cpp Makefile | $(BUILD_DIR)
 	$(CXX) -c $(CPPFLAGS) $(CPP_STANDARD) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.cpp=.lst)) $< -o $@
 
+$(BUILD_DIR)/%.o: %.cc Makefile | $(BUILD_DIR)
+	$(CXX) -c $(CPPFLAGS) $(CPP_STANDARD) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.cc=.lst)) $< -o $@
+
 $(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
 	$(AS) -c $(ASFLAGS) $< -o $@