UNITY_BUILD_CODE_BEFORE_INCLUDE

Code snippet which is included verbatim by the UNITY_BUILD feature just before every #include statement in the generated unity source files. For example:

set(before [[
#if !defined(NOMINMAX)
#define NOMINMAX
#endif
]])
set_target_properties(myTarget PROPERTIES
  UNITY_BUILD_CODE_BEFORE_INCLUDE "${before}"
)

See also UNITY_BUILD_CODE_AFTER_INCLUDE.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.17/prop_tgt/UNITY_BUILD_CODE_BEFORE_INCLUDE.html