digitalmars.D.bugs - [Issue 22303] New: importC: import c errors on pragmas
- d-bugmail puremagic.com (31/31) Sep 13 2021 https://issues.dlang.org/show_bug.cgi?id=22303
https://issues.dlang.org/show_bug.cgi?id=22303 Issue ID: 22303 Summary: importC: import c errors on pragmas Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: dave287091 gmail.com Some pragmas are left in the source file after running a pre-processor. For example, using clang with -E can leave pragmas in the headers looking something like this: int func_with_pragma(void){ #pragma #pragma clang diagnostic ignored "-Wunguarded-availability-new" return 1; #pragma } This happens when using system headers on macOS. Just ignoring pragmas would be fine. Also, if I am understanding 6.10.6 of the c11 standard correctly, #pragmas are a pre-processing directive, but have effects on compilation? I believe to be conformant importC needs to be able to process the following: #pragma STDC FP_CONTRACT on-off-switch #pragma STDC FENV_ACCESS on-off-switch #pragma STDC CX_LIMITED_RANGE on-off-switch --
Sep 13 2021