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Updated Troubleshooting Build Issues (markdown)

gwenzek 2022-01-09 23:11:41 +01:00
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Troubleshooting-Build-Issues.md

@ -26,6 +26,10 @@ cmake .. -DZIG_PREFER_CLANG_CPP_DYLIB=true
```
For building stage2, pass `-Dstatic-llvm=false` to Zig.
Fedora also doesn't ship by default with the static libraries for lib stdc++.
This will result in link errors for symbols like `std::string`.
You can fix this by installing the following package: `dnf install libstdc++-static`.
## Gentoo
If you get the message `: CommandLine Error: Option 'mc-relax-all' registered more than once!`, you're affected by the issue discussed in https://reviews.llvm.org/D75579. The fix has not (yet?) been included in clang 10.0.1. As a workaround, you can build clang with the line `add_clang_subdirectory(handle-llvm)` removed from clang/tools/clang-fuzzer/CMakeLists.txt.