Why do I get too many compilation errors like <identifier "XXX" is undefined> though I added the related header files in Polyspace?

I included all used header files' folders for compilation but I see too many errors like <identifier "XXX" is undefined>. 

Here are the error formats.

1. identifier "XXX" is undefined

Detail:

File C:\aaa\...\bbb.h line xx

Error: identifier "XXX" is undefined

XXX __YY;

^

2. #error directive: Endianess not declared!!

Detail:

File C:\aaa\...\ccc.h line xx

Error: #error directive: Endianess not declared!!

#error directive: Endianess not declared!!

^

3. expected an expression // Failed compilation

Detail:

File C:\aaa\...\ddd.h line xx

Error: expected an expression

# if __BYTE_ORDER == __BIG_ENDIAN

                                                                  ^

Answer 1

[MathWorks Support Team]

The most frequent compilation issue is caused with undefined identifiers. Here is a troubleshooting section in the documentation:

https://www.mathworks.com/help/codeprover/ug/undeclared-identifier.html

The common root cause is that there would be a macro setting for "XXX", __BYTE_ORDER, __BIG_ENDIAN etc. in the related header files, and this information is defined in your compiler.  Therefore, Polyspace does not recognize it. You can replace or remove the compiler-specific the analysis option, see Preprocessor definitions (-D). Usually, there are few cases where these tasks are done manually, and it is recommended to create the project with polyspace-configure by recognizing the compiler automatically. 

Note: If you can speak Korean, here is the webinar video below for using polyspace-configure to generate project automatically.

https://www.mathworks.com/videos/configure-polyspace-project-faster-1546867511103.html