[clang] [Clang] Make the GPU toolchains implicitly link `-lm` and `-lc` (PR #98170)

[Joseph Huber via cfe-commits]

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@@ -633,6 +633,17 @@ void amdgpu::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   else if (Args.hasArg(options::OPT_mcpu_EQ))
     CmdArgs.push_back(Args.MakeArgString(
         "-plugin-opt=mcpu=" + Args.getLastArgValue(options::OPT_mcpu_EQ)));
+
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jhuber6 wrote:

So, I wasn't sure if I should also apply this to HIP / CUDA stuff just yet. HIP doesn't pass LTO bitcode to the linker, so we can't do a full link with the library. CUDA doesn't even invoke the linker either. I think in the future it would be nice to provide these to HIP and CUDA by default however. 

https://github.com/llvm/llvm-project/pull/98170