================
@@ -1504,6 +1506,7 @@ void ToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
switch (Type) {
case ToolChain::CST_Libcxx:
CmdArgs.push_back("-lc++");
+ CmdArgs.push_back("-lc++abi");
----------------
mstorsjo wrote:
libc++abi and libc++ have circular dependencies - these are fine on ELF
platforms, but for PE/COFF they're very problematic. (Theoretically it is
possible to link DLLs with circular dependencies, but in practice, we'd rather
not do that.)
Therefore, in practice, the most practical solution is to just merge libc++abi
into libc++, like we do in all build configurations for mingw. That way, the
compiler driver never needs to see or care about libc++abi.
Therefore, I'm against adding a `if (getTriple().isOSWindows())
CmdArgs.push_back("-lc++abi");` - that would significantly break all existing
mingw build configurations.
https://github.com/llvm/llvm-project/pull/147960
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