如何让GNU明确测试失败? [英] How to have GNU make explicitly test for failure?

问题描述

在多年不使用make的情况下，我发现自己再次需要它，现在是gnu版本.我很确定我应该能够做我想做的事，但是还没有弄清楚该怎么做，或者还没有找到与Google相关的答案等等.

After years of not using make, I find myself needing it again, the gnu version now. I'm pretty sure I should be able to do what I want, but haven't figured out how, or found an answer with Google, etc.

我正在尝试创建一个测试目标，该目标将多次执行我的程序，并将结果保存在日志文件中.某些测试应导致我的程序中止.不幸的是，我的makefile在第一次测试时中止，从而导致错误.我有类似的东西:

I'm trying to create a test target which will execute my program a number of times, saving the results in a log file. Some tests should cause my program to abort. Unfortunately, my makefile aborts on the first test which leads to an error. I have something like:

# Makefile
# 
test:
        myProg -h > test.log              # Display help
        myProg good_input >> test.log     # should run fine
        myProg bad_input1 >> test.log      # Error 1
        myProg bad_input2 >> test.log      # Error 2

使用上述方法，make在bad_input1运行后退出，再也不会进入bad_input2运行.

With the above, make quits after the bad_input1 run, never getting to the bad_input2 run.

推荐答案

如果您希望目标失败，则正确的解决方案是取消其退出代码.

The proper solution if you want to require the target to fail is to negate its exit code.

# Makefile
# 
test:
    myProg -h > test.log              # Display help
    myProg good_input >> test.log     # should run fine
    ! myProg bad_input1 >> test.log      # Error 1
    ! myProg bad_input2 >> test.log      # Error 2

现在，在这两种情况下成功都是错误的.

Now, it is an error to succeed in those two cases.

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