examples/elf: update elf_main.c dependency to fix parallel build break
Update elf_main.c depends on tests/symtab.c to make sure romfs.h exist
before compiling elf_main.c.
@@ -57,6 +57,8 @@ else
FSIMG_HDR = $(TESTS_DIR)/cromfs.h
endif
+elf_main.c: tests/symtab.c
+
tests/symtab.c tests/dirlist.h $(FSIMG_HDR):
@$(MAKE) -C tests TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" CROSSDEV=$(CROSSDEV)
