Can you give me some examples of CMake variables?
Sure! CMake variables are used to store values that can be referenced throughout your CMakeLists.txt files. For example, you can use the variable CMAKE_SOURCE_DIR
to get the top-level source directory of your project.
What about custom variables? How do I define one?
You can define a custom variable using the set
command. For instance, set(MY_VARIABLE "Hello, World!")
creates a variable named MY_VARIABLE
with the value "Hello, World!".
Can I use variables in conditions?
Yes, you can use variables in conditions. For example, you can check if a variable is set using if(DEFINED MY_VARIABLE)
.
What are some common built-in CMake variables?
Some common built-in CMake variables include CMAKE_CURRENT_SOURCE_DIR
, CMAKE_BINARY_DIR
, and CMAKE_PROJECT_NAME
. These provide useful information about your project.
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