Harmonising certain command line switches between GDC and LDC

[songthe]

On Saturday, 27 May 2023 at 01:11:59 UTC, Cecil Ward wrote:
> Would it be possible for the maintainers of GDC and LDC to both 
> support certain switches in use by the other compiler in order 
> to reduce the frustration of this one grumpy user?
>
> I keep switching back and forth between -frelease and -release,
> and -march and -mcpu (is that even correct)?
>
> I’m not sure what I should be doing to get LDC correctly 
> matched with -mtune and -march.
>
> I have of course ended up having to write batch files to 
> abstract these annoyances away. When I’m examining generated 
> code for my own correctness in godbolt.org Matt Godbolt’s 
> Compiler Explorer, that’s when it drives me bonkers having to 
> correct the switches when I switch between compilers.
>
> It’s just a small thing, I know, but it would be nice to 
> harmonise, and not too much work.

It’s definitely frustrating having to keep track of different 
switches for compilers. One thing I’ve found useful is to create 
a script that detects which compiler is being used and 
automatically applies the correct flags.

https://escaperoad.org