New in version 3.23.
Semicolon-separated list of search prefixes
to be ignored by the
The prefixes are also ignored by the Config mode of the
find_package() command (Module mode is unaffected).
To ignore specific directories instead, see
Ignoring search locations can be useful in cross-compiling environments where some system directories contain incompatible but possibly linkable libraries. For example, on cross-compiled cluster environments, this allows a user to ignore directories containing libraries meant for the front-end machine.
CMAKE_SYSTEM_IGNORE_PREFIX_PATH is populated by CMake as part of its platform
and toolchain setup. Its purpose is to ignore locations containing
incompatible binaries meant for the host rather than the target platform.
The project or end user should not modify this variable, they should use
See also the following variables: