Cross compilation idea.

user1234 user1234 at
Sat Aug 1 10:33:37 UTC 2020

On Saturday, 1 August 2020 at 10:26:12 UTC, Rel wrote:
> Lately I've been looking at Zig programming language. Besides 
> other interesting features like error handling and 
> automatically importing C headers, one feature made me really 
> excited. Zig includes a minified version of musl's, glibc's and 
> mingw's CRT, so it can cross compile stuff very easy. And for 
> whatever reason it includes a C cross compiler as well (I guess 
> they already had libclang bundled for importing C headers, so 
> it was kinda easy to use it to compile C).
> As far as I understand there are few things that forbids LDC 
> from cross compiling as easy as Zig:
> 1) Cross linker. Zig uses LLVM's linker which is called LLD. 
> Can LDC use LLD to target all suppored operating systems?
> 2) Cross libc. Zig bundles minified version of musl, glibc and 
> mingw (I didn't quite understood if it can cross compile to 
> macosx). Do you think LDC could do the same or reuse the work 
> done by the Zig team?
> 3) Cross druntime and phobos. I guess LDC could distribute 
> prebuilt versions of druntime and phobos for most used 
> operating system. Or just build and cache it the first time the 
> user tries to cross compile to new target the first time. What 
> do you think?

IIRC the windows versions of the devel tools such as D-Scanner or 
DCD, available for download, are generated on CI services that 
run on Ubtuntu VMs and based on cross LDC abilities to 

So this might be mostly "ok" already. Maybe not for musl but 
cross compilation works to some extent.

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