================
@@ -684,6 +684,8 @@ static StringRef getArchNameForCompilerRTLib(const
ToolChain &TC,
StringRef ToolChain::getOSLibName() const {
if (Triple.isOSDarwin())
return "darwin";
+ if (Triple.isWindowsCygwinEnvironment())
+ return "cygwin";
----------------
tyan0 wrote:
My apologies for replying so late.
ToolChain::getOS() returns "windows", since the Triple is
"x86_64-pc-windows-cygnus".
After investigating the issue again, I found that the problem was simply caused
by llvm/clang being built with `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON` while
compiler-rt was built with `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF`.
Setting both to `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON` works.
Therefore, this fix is not necessary.
However, setting `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF` for both does not
work. I still investigation that. It seems that clang ignores
`LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF`.
https://github.com/llvm/llvm-project/pull/147960
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