/Zc:zc-checkGwOdr (Enforce Standard C++ ODR violations under /Gw) (original) (raw)

This switch enforces C++ standards conformance when using /Gw (Optimize global data). When using /Gw, certain One Definition Rule (ODR) violations are ignored. This flag ensures that the appropriate errors are raised.

Syntax

**/Zc:checkGwOdr[-**]

Remarks

This switch is off by default.

To see an example of ODR violations that are ignored when using /Gw, see Standards conformance improvements to /Gw.

To set this compiler option in the Visual Studio development environment

1. Open the project's Property Pages dialog box. For details, see Set C++ compiler and build properties in Visual Studio.
2. Select the Configuration Properties > C/C++ > Command Line property page.
3. Modify the Additional Options property to include /Zc:checkGwOdr or /Zc:checkGwOdr- and then choose OK.

See also

/Zc (Conformance)
One Definition Rule (ODR)
Standards conformance improvements to /Gw