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+CMAKE_STAGING_PREFIX
+--------------------
+
+This variable may be set to a path to install to when cross-compiling. This can
+be useful if the path in :variable:`CMAKE_SYSROOT` is read-only, or otherwise
+should remain pristine.
+
+The ``CMAKE_STAGING_PREFIX`` location is also used as a search prefix by the
+``find_*`` commands. This can be controlled by setting the
+:variable:`CMAKE_FIND_NO_INSTALL_PREFIX` variable.
+
+If any RPATH/RUNPATH entries passed to the linker contain the
+``CMAKE_STAGING_PREFIX``, the matching path fragments are replaced with the
+:variable:`CMAKE_INSTALL_PREFIX`.