在makefile中未设置环境变量

问题描述：

我想在Makefile中触发单元测试和集成测试，我当前的实现是这样的：

I want to trigger unit test and integration test in a Makefile, my current implementation is like this:

all: unittest integration
unittest:
    $(ECHO) @echo 'Running unittest'
    @unset TYPE
    @nosetests
integration:
    $(ECHO) @echo 'Running integration test'
    @export TYPE=integration
    @nosetests

我在设置环境变量时遇到问题，当我运行 make Integration 时，不会设置 TYPE 环境变量，如果我使用 export TYPE = integration 手动设置环境变量，那么我运行 make unittest 时，环境变量将不被设置。

but I'm having problems with setting environment variables, when I run make integration , the TYPE environment variable would not be set, if I set the environment variable manually with export TYPE=integration, then I run make unittest, the environment variable would not be unset. How to solve this?

答

配方中的每个命令都在单独的shell中运行。运行导出类型的外壳程序立即退出；然后在新的实例中运行下一个命令，该实例当然没有此设置。

Each command in a recipe is run in a separate shell. The shell which runs export TYPE immediately exits; then the next command is run in a new, fresh instance, which of course does not have this setting.

shell具有在以下时间段内设置变量的特定语法：一个命令；

The shell has specific syntax for setting a variable for the duration of one command; use that.

all: unittest integration
unittest:
    echo 'Running unittest'
    TYPE= nosetests
integration:
    echo 'Running integration test'
    TYPE=integration nosetests

顺便说一句，您不应该对自己的变量使用大写；这些名称保留供系统使用。

Incidentally, you should not use upper case for your own variables; these names are reserved for system use.

在makefile中未设置环境变量

相关推荐