Hello World functional

lib/Makefile

@@ -43,13 +43,13 @@ CXXFLAGS += -fno-exceptions -fno-rtti
 
 USE_FUNCTION_SECTIONS ?= true
 ifeq ($(USE_FUNCTION_SECTIONS),true)
-CCFLAGS_all += -ffunction-sections
+CCFLAGS += -ffunction-sections
 endif
-CCFLAGS_all += -mno-gpopt -fomit-frame-pointer
-CCFLAGS_all += -fno-builtin -fno-strict-aliasing -Wno-attributes
-CCFLAGS_all += $(ARCHFLAGS)
+CCFLAGS += -mno-gpopt -fomit-frame-pointer
+CCFLAGS += -fno-builtin -fno-strict-aliasing -Wno-attributes
+CCFLAGS += $(ARCHFLAGS)
 
-CCFLAGS_all += $(CCFLAGS_$(BUILD_PROFILE))
+CCFLAGS += $(CCFLAGS_$(BUILD_PROFILE))
 
 #Linker flags
 LDFLAGS_release += -Os
@@ -66,13 +66,17 @@ DEPS = -Wp,-MMD,$(@:%.o=%.d),-MT,$@
 OBJS = $(addprefix $(OUTPUT_DIR)/,$(addsuffix .o, $(subst ..,!super,$(basename $(SRCS)))))
 
 #Compiling rule
+$(OUTPUT_DIR)/%.o: %.s
+	@mkdir -p $(dir $@)
+	$(CC) -c $(DEPS) -o $@ $(CCFLAGS) $(CCFLAGS) $<
+
 $(OUTPUT_DIR)/%.o: %.c
 	@mkdir -p $(dir $@)
-	$(CC) -c $(DEPS) -o $@ $(CCFLAGS_all) $(CCFLAGS) $<
+	$(CC) -c $(DEPS) -o $@ $(CCFLAGS) $(CCFLAGS) $<
 
 $(OUTPUT_DIR)/%.o: %.cpp
 	@mkdir -p $(dir $@)
-	$(CXX) -c $(DEPS) -o $@ $(CCFLAGS_all) $(CXXFLAGS) $<
+	$(CXX) -c $(DEPS) -o $@ $(CCFLAGS) $(CXXFLAGS) $<
 
 .SECONDEXPANSION:
 $(OUTPUT_DIR)/%.o: $$(subst !super,..,%.s)