ucore OS 实验 Lab1 —— Makefile

Rule

target: prerequisite
  recipes
  ...

Variable

string can be variable name, variable's value is string

Assignment

• =: recursively expanded assignment, expand and calculate
• :=: simply expanded assignment, calculate when defined and expand

Automatic Variable

• target: @ %
• prerequisite: < ? ^ *

Function

user-defined function:
f = ...
\(\$(call\ f,\$(1),\$(2),\$(3),...)\)

• call
• foreach, if
• patsubst, addprefix, addsuffix

说明： 这是我在学习清华大学ucore-OS-lab1 中的Makefile的时候的学习记录，出发点基于自己的所见所闻和使用爱好，以供自查。``