How to Resolve 'RuntimeLibrary' Mismatch Errors: A Guide to CRT Consistency

Mismatch Detected for 'RuntimeLibrary'

This issue arises when linking libraries or source files with different versions of the C RunTime (CRT) library. To resolve it:

1. Check the "Runtime Library" setting in Project Properties -> C/C -> Code Generation for all linked files and libraries.
2. Ensure that the setting is identical (e.g., Multithreaded Debug for all) between the program and all dependencies.
3. Repeat this step for all project configurations (debug/release, 32/64-bit).

Importance of CRT Consistency

Using different CRT versions can lead to problems due to inconsistencies in the size and layout of objects returned by standard library functions. Mismatched versions can result in B touching A's object incorrectly (e.g., writing past its end), potentially leading to errors or crashes.

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