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-rw-r--r--Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst5
1 files changed, 3 insertions, 2 deletions
diff --git a/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst b/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst
index 2700b66..790565a 100644
--- a/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst
+++ b/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst
@@ -3,5 +3,6 @@ CMAKE_HOST_SYSTEM_PROCESSOR
The name of the CPU CMake is running on.
-The same as CMAKE_SYSTEM_PROCESSOR but for the host system instead of
-the target system when cross compiling.
+On systems that support uname, this variable is set to the output of
+uname -p, on windows it is set to the value of the environment variable
+``PROCESSOR_ARCHITECTURE``.