Makefile: refine image dependency

Makefile

@@ -123,14 +123,19 @@ $(LIBS): %:
 	@$(MAKE) -s -C $(AM_HOME)/$* archive
 
 ### Rule (link): objects (`*.o`) and libraries (`*.a`) -> `IMAGE.elf`, the final ELF binary to be packed into image (ld)
-$(IMAGE).elf: $(OBJS) $(LIBS)
+$(IMAGE).elf: $(LINKAGE)
+	@echo \# Creating image [$(ARCH)]
 	@echo + LD "->" $(IMAGE_REL).elf
-	@$(LD) $(LDFLAGS) -o $(IMAGE).elf --start-group $(LINKAGE) --end-group
+ifneq ($(filter $(ARCH),native),)
+	$(CXX) -o $@ -Wl,--whole-archive $^ -Wl,-no-whole-archive $(LDFLAGS_CXX)
+else
+	@$(LD) $(LDFLAGS) -o $@ --start-group $^ --end-group
+endif
 
 ### Rule (archive): objects (`*.o`) -> `ARCHIVE.a` (ar)
 $(ARCHIVE): $(OBJS)
 	@echo + AR "->" $(shell realpath $@ --relative-to .)
-	@$(AR) rcs $(ARCHIVE) $(OBJS)
+	@$(AR) rcs $@ $^
 
 ### Rule (`#include` dependencies): paste in `.d` files generated by gcc on `-MMD`
 -include $(addprefix $(DST_DIR)/, $(addsuffix .d, $(basename $(SRCS))))
@@ -140,8 +145,8 @@ $(ARCHIVE): $(OBJS)
 ### Build order control
 image: image-dep
 archive: $(ARCHIVE)
-image-dep: $(OBJS) $(LIBS)
-	@echo \# Creating image [$(ARCH)]
+image-dep: $(LIBS) $(IMAGE).elf
+.NOTPARALLEL: image-dep
 .PHONY: image image-dep archive run $(LIBS)
 
 ### Clean a single project (remove `build/`)