Header file is not compiling

2015 6 16
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更新时间：2015 6 17
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Hello,
in my data dictionary I defined an enumeration with Data Scope "Imported" and a header file. In the header file there are a bunch of enumerations/structs defined, not only the one used in Simulink (because it's importet from other source code). The header file is stated in the configuration in "Simulation Target" -> "Custom Code". When I want to compile I get an error, because in the header file there are enumerations/structs which Simulink does not know. But I want Simulink to search only for the enumerations I have specified in my data dictionary and not care about other stuff in the header file. Is there a way how to handle that?
Thank you

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Andrew Schenk
Andrew Schenk 2015-6-17
编辑：Andrew Schenk 2015-6-17

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This is more of a limitation of normal C coding - if a header file is included, all of the contents of the header file must be defined.
There are a few workarounds:
  1. Create a separate header file (data_dictionary_enums.h for example) with only the enumerations needed by the Data Dictionary, and then add #include "data_dictionary_enums.h" to the main header file.
  2. Add a preprocessor macro to the header file such that the rest of the header file is only included when a specific define is set.
  3. Add the other necessary #includes to the header file such that all the structs are fully defined.

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