How to Configure CMake to Separate Binaries and Libraries from Source Code?

How to Configure CMake Output Directory for Binaries

To resolve the issue where CMake generates binaries and libraries within the source directory hierarchy, you can modify CMake's output settings to specify a dedicated destination directory.

Solution:

To direct CMake to place the compiled artifacts in a separate directory like "./bin", employ the following techniques:

1. Global Output Directories:

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

2. Target-Specific Output Directories:

   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"
   )

In both scenarios, you can append "_[CONFIG]" (e.g., "_DEBUG") to the variable or property name to customize the output directory for a particular configuration (e.g., "Debug").

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