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+UNITY_BUILD_CODE_BEFORE_INCLUDE
+-------------------------------
+
+Code snippet which is included verbatim by the :prop_tgt:`UNITY_BUILD`
+feature just before every ``#include`` statement in the generated unity
+source files. For example:
+
+.. code-block:: cmake
+
+ set(before [[
+ #if !defined(NOMINMAX)
+ #define NOMINMAX
+ #endif
+ ]])
+ set_target_properties(myTarget PROPERTIES
+ UNITY_BUILD_CODE_BEFORE_INCLUDE "${before}"
+ )
+
+See also :prop_tgt:`UNITY_BUILD_CODE_AFTER_INCLUDE`.