================ @@ -520,6 +520,9 @@ def warn_drv_math_errno_enabled_after_veclib: Warning< "math errno enabled by '%0' after it was implicitly disabled by '%1'," " this may limit the utilization of the vector library">, InGroup<MathErrnoEnabledWithVecLib>; +def warn_drv_gcc_incompatible_complex_range_override: Warning< + "combination of '%0' and '%1' results in complex number calculations incompatible with GCC">, ---------------- s-watanabe314 wrote:
> IIRC, you can do that by adding an explicit compiler option for it, like: That method seems implementable. Thank you! However, I'm concerned that the warning message about the `-ffast-math` override is being output with an option name that the user didn't specify. For example: ``` $ clang -fcx-fortran-rules -ffast-math clang: warning: overriding '-fcx-fortran-rules' option with '-fcomplex-arithmetic=basic' [-Woverriding-option] $ clang -fno-cx-fortran-rules -ffast-math clang: warning: overriding '-fno-cx-fortran-rules' option with '-fcomplex-arithmetic=basic' [-Woverriding-option] ``` If we were to output `-Wgcc-compat` in conjunction with these, what should the warning message look like? For example, should it output the option name that the user specified, like this? ``` $ clang -fcx-fortran-rules -ffast-math -Wgcc-compat -Wno-overriding-option warning: complex number calculation is incompatible with GCC; specify '-ffast-math' after '-fcx-fortran-rules' for compatibility $ clang -fcx-fortran-rules -ffast-math -Woverriding-option -Wno-gcc-compat warning: overriding '-fcx-fortran-rules' option with '-ffast-math' $ clang -fcx-fortran-rules -ffast-math -Wgcc-compat -Woverriding-option warning: overriding '-fcx-fortran-rules' option with '-ffast-math' and is incompatible with GCC; specify '-ffast-math' after '-fcx-fortran-rules' for compatibility ``` To achieve this, it might be necessary to first fix the behavior where the override warning messages for `-ffast-math` and `-ffp-model=` are output with option names that the user didn't specify. https://github.com/llvm/llvm-project/pull/144468 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
