如何在Makefi中将./to绝对路径展开

Question

我从Makefile中摘录了以下内容：

topDirectory := ./

# This print nothing
$(info $(topDirectory))
# and as a result, myScript.py complains that I'm missing a parameter
$(shell python myScript.py $(topDirectory))

如何让./展开到它在命令行上引用的绝对路径？在

Answer 1

Make automatically takes in all shell environment variables and makes them make variables。在

这意味着$PWD是一个make变量，是指向当前工作目录的完整展开路径。你可能想用它来代替。在