stephenberry/glaze

Disable exceptions if a specific macro is defined

Closed this issue · 1 comments

Chaoses-Ib commented

Currently, Glaze will disable exceptions if __cpp_exceptions is not defined. However, __cpp_exceptions is a built-in macro and cannot be undefined by the user. This makes it impossible to disable exceptions/RTTI for Glaze only. One solution is to add some macro like GLAZE_NO_EXCEPTIONS to control this, and replace

#if __cpp_exceptions

to

#if __cpp_exceptions && !defined(GLAZE_NO_EXCEPTIONS)
Chaoses-Ib commented

Sorry, I misunderstood the problem. Using Glaze will add RTTI to the binary. I thought it's because Glaze uses exceptions somewhere, but it turns out it's because the use of std::function in Glaze. In MSVC, std::function will introduce static RTTI even RTTI is disabled by /GR-. The solution is to define _HAS_STATIC_RTTI=0, acoording to Lambdas always have debug information in release mode - Developer Community. So it's not really a problem of Glaze.