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-rw-r--r--Help/variable/CMAKE_CROSSCOMPILING_EMULATOR.rst4
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diff --git a/Help/variable/CMAKE_CROSSCOMPILING_EMULATOR.rst b/Help/variable/CMAKE_CROSSCOMPILING_EMULATOR.rst
index e21b35d..1c3a26c 100644
--- a/Help/variable/CMAKE_CROSSCOMPILING_EMULATOR.rst
+++ b/Help/variable/CMAKE_CROSSCOMPILING_EMULATOR.rst
@@ -12,6 +12,10 @@ for the target system.
Lists>`, then the first value is the command and remaining values are its
arguments.
+.. versionadded:: 3.28
+ This variable can be initialized via an
+ :envvar:`CMAKE_CROSSCOMPILING_EMULATOR` environment variable.
+
The command will be used to run :command:`try_run` generated executables,
which avoids manual population of the ``TryRunResults.cmake`` file.