[llvm-dev] What is compiler-rt for?

[mats petersson via llvm-dev]

I'm probably not 100% right here, but here's how I'd explain it:
It is there to allow the compiler to run on platforms that would otherwise
not have the relevant functionality. If you already have a C++ compiler to
build Clang with on the target system, you (most likely) have everything
you need. But what if you are cross-compiling to a target with limited/no
support for C++ on the target?

--
Mats



On 2 September 2015 at 10:55, Russell Wallace via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> The name and documentation both suggest it contains essential runtime
> functions for use by generated code. However, it's offered as an extra
> optional download, and when I omit it, the entire cycle of compiling a
> program with clang and running the resulting executable still seems to work
> fine. What am I missing?
>
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