Use #pragma once in header files #201
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All compilers have supported this for at least the 5 years, some like gcc and clang much longer. Signed-off-by: Richard Hughes <[email protected]>
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I'm a bit concerned with replacing a well known and understood pattern with a pragma that has been "supported" for years but is completely undocumented. What do we gain? |
Not much -- but it modernizes the codebase and means we can add extra .h files for things like the test suite without verifying the define is duplicate. Having a non-local define like |
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All compilers have supported this for at least the 5 years, some like gcc and clang much longer.