CMake将字符串解释为变量 [英] CMake interpret string as variable

问题描述

我正在寻找一种在cmake中将字符串解释为变量名的方法。

I'm looking for a way to interpret a string as variable name in cmake.

给出：

set(MY_SECRET_VAR "foo")

# later only the name of the variable is known.
set(THE_NAME "MY_SECRET_VAR")

# Now i'm looking for a way to get the value "foo" from the name
# something like:
set(THE_VALUE "${THE_NAME}")

# THE_VALUE should be "foo"

推荐答案

第二级展开：

set(THE_VALUE "${${THE_NAME}}")

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