[LLVMdev] LNT always using clang++ as linker command

[Tobias von Koch]

Hi,

I'm using LNT to run the llvm nightly tests. When it's compiling the 
tests, it seems to always use the clang++ driver as the linker command 
instead of clang, even for tests that are pure C code. This makes all 
the binaries depend on libstdc++, which isn't great.

This happens even if I specify --disable-cxx. The only way around it 
seems to be to also specify clang as the C++ compiler (using --cxx), but 
then a few of the tests still add "-lstdc++".

Just as a heads-up, we're running lnt in a cross-compiler setup. That 
is, lnt runs on an x86 host and compiles for a PPC target where tests 
are executed remotely (--remote). The lnt command is something like: lnt 
runtest nt --sandbox SANDBOX --cc CLANG --test-suite TESTSUITE --remote 
--remote-host XYZ --remote-port 22 --remote-user XYZ --arch ppc32 
--cflag "--sysroot=XYZ -target XYZ"

Is this a bug or a feature? ;)

Cheers,
Tobias
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