This is a CMake Environment Variable. Its initial value is taken from the calling process environment.
CMAKE_PREFIX_PATH environment variable may be set to a list of
directories specifying installation prefixes to be searched by the
find_path() commands. Each command will
add appropriate subdirectories (like
as specified in its own documentation.
This variable may hold a single prefix or a list of prefixes separated
: on UNIX or
; on Windows (the same as the
variable convention on those platforms).
See also the
CMAKE_PREFIX_PATH CMake variable.