How Can I Redirect CMake Build Output to a Custom Directory?

How to Redirect CMake Output to a Specific Directory?

Your project structure includes plugins compiled in separate directories. While CMake compiles these plugins successfully, you're facing the challenge of locating the binaries and dynamic libraries outside the source directory structure. This article aims to guide you through configuring CMake to save these files in a specific directory, such as "./bin".

As suggested by the answers, you can specify the desired output directory using the CMAKE_RUNTIME_OUTPUT_DIRECTORY variable. Here's how you can implement this in your root CMakeLists.txt:

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)

By setting these variables, CMake will place the compiled artifacts in the specified directories relative to the build directory (CMAKE_BINARY_DIR).

Alternatively, you can set output directories on a per-target basis:

set_target_properties(targets...
    PROPERTIES
    ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
)

You can append "_[CONFIG]" to the variable/property to specify the output directory for a particular configuration (e.g., DEBUG, RELEASE). By configuring CMake appropriately, you can effectively manage your project's compiled output, ensuring that binaries and plugins are organized in the desired directory structure.

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