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Updated Troubleshooting Build Issues (markdown)

Veikka Tuominen 2022-07-10 20:23:58 +03:00
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Troubleshooting-Build-Issues.md

@ -14,6 +14,10 @@ different one, for example GCC vs clang.
LLVM, Clang, and Zig must all be compiled with the same C++ compiler.
## Undefined references in `liblldELF.a`
Building with LLVM 14 has `zlib` as a new requirement. If your system has static `zlib` then `-DZIG_STATIC_ZLIB=ON` needs to be specified to use it.
## Building stage2 and stage3
After successful building stage1, you build stage2 (or the same with stage3).
@ -86,8 +90,6 @@ On M1 Macs, static linking with homebrew LLVM does not seem to work. Omit `-DZIG
For similar reasons, you should also dynamically link to clang. This can be done by specifying `-DZIG_PREFER_CLANG_CPP_DYLIB=true`. Static linking is default for clang, dynamic linking is default for LLVM.
Building with LLVM 14 has `zlib` as a new requirement. `zlib` can be installed with homebrew, but must be configured for static linking using `-DZIG_STATIC_ZLIB=ON`
Final command for dynamically linking to homebrew LLVM/Clang on M1 Macs:
```
cmake .. -DCMAKE_PREFIX_PATH=$(brew --prefix llvm) -DZIG_PREFER_CLANG_CPP_DYLIB=true -DZIG_STATIC_ZLIB=ON