CMAKE__LINKER_LAUNCHER

From Get docs
Cmake/docs/3.21/variable/cmake lang linker launcher


CMAKE__LINKER_LAUNCHER

New in version 3.21.


Default value for _LINKER_LAUNCHER target property. This variable is used to initialize the property on each target as it is created. This is done only when <LANG> is C, CXX, OBJC, or OBJCXX.

This variable is initialized to the CMAKE__LINKER_LAUNCHER environment variable if it is set.

© 2000–2021 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.21/variable/CMAKE_LANG_LINKER_LAUNCHER.html