benshi001 added inline comments.
================
Comment at: clang/lib/Driver/ToolChains/AVR.cpp:430
+ // libgcc distributed with avr-gcc always named 'libgcc.a' even on windows.
+ return (Twine("libclang_rt.") + Component + Arch + ".a").str();
+}
----------------
MaskRay wrote:
> benshi001 wrote:
> > This method decides the file name of compiler-rt, it is expected to be
> >
> > `libclang_rt.builtins-avrfamily.a`, such as
> >
> > `libclang_rt.builtins-avr51.a`
> > `libclang_rt.builtins-avrtiny.a`
> > `libclang_rt.builtins-avrxmega3.a`
> >
> >
> In `-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=on` mode this should be
> `lib/clang/$version/lib/$triple/libclang_rt.xxx.a` where there is no
> `-microarch` infix.
But I would expect each subarch has its own specific build with specific
optimization. That is the way in avr-gcc distribution.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D123612/new/
https://reviews.llvm.org/D123612
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