tra added inline comments.
================
Comment at: lib/Driver/ToolChains.cpp:4125
@@ +4124,3 @@
+ ArgStringList &LDArgs) const {
+ if (DriverArgs.hasArg(options::OPT_nocudalib) || !CudaInstallation.isValid())
+ return;
----------------
I'd rename -nocudalib to -nocudalibdevice (or -nocudabclib) to better reflect
what it currently does -- disables linking with CUDA's libdevice bitcode.
Then you could use -nocudalib to control automatic addition of CUDA
library-related options which would be closer to what '-nostdlib' does.
While you're at it, you may consider adding linker flags to link with static
libcudart. nvcc always adds "-lcudart_static -lrt -lpthread -ldl" at the end.
If user explicitly requests linking with dynamic version of libcudart, then it
gets linked first, and linker then ignores all the symbols from static lib.
http://reviews.llvm.org/D15596
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