How to Resolve the 'Mismatch Detected for 'RuntimeLibrary'' Error When Linking Static Libraries?-C++-php.cn

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How to Resolve the 'Mismatch Detected for 'RuntimeLibrary'' Error When Linking Static Libraries?

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Nov 17, 2024 pm 02:44 PM

How to Resolve the

Mismatch Detected for 'RuntimeLibrary' Error

When linking a program with static libraries, it's crucial to ensure that the runtime library (CRT) used by all components matches. The "Mismatch Detected for 'RuntimeLibrary'" error occurs when different CRT versions are used, resulting in unresolved symbols.

Resolving the Error

To resolve this issue, verify the CRT version used by all the libraries and ensure they align with the project's CRT settings. Navigate to the project's Properties, select the C/C tab, and check the Runtime Library setting. Change it to the same value used by the libraries.

Common CRT Options

Several CRT options are available:

Multithreaded Debug
Multithreaded Debug DLL
Multithreaded Release
Multithreaded Release DLL

Considerations for Debug and Release Builds

Note that project configurations for debug and release builds use different sets of settings. Ensure that the CRT settings match for both configurations.

Consequences of Mixing CRT Versions

Mixing CRT versions can lead to subtle issues, particularly when passing objects between components. Different CRT versions can interpret object sizes and layouts differently, potentially causing data corruption or runtime crashes.

Linking Against DLLs

While the rules are more relaxed for linking with DLLs, it's still best to use the same CRT version across all components to avoid potential problems.

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