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docs: add clang/lld/llvm prerequisites for Linux Windows cross-builds

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Add apt install instructions for clang, lld, llvm, and nsis to README Ubuntu-to-Windows build section. Add clang-cl availability check to cargo-xwin wrapper script with helpful error message directing users to install LLVM/Clang toolchain when missing.
This commit is contained in:
Sascha Nesterovic
2026-03-17 19:29:37 +01:00
parent 39e70ec526
commit 7902e772bf
2 changed files with 10 additions and 0 deletions
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2
README.md
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@@ -63,6 +63,8 @@ Ubuntu-to-Windows `Setup.exe` build:
```bash ```bash
cd desktop-client cd desktop-client
sudo apt update
sudo apt install -y clang lld llvm nsis
cargo install --locked cargo-xwin cargo install --locked cargo-xwin
rustup target add x86_64-pc-windows-msvc rustup target add x86_64-pc-windows-msvc
npm install npm install

8
desktop-client/scripts/cargo-xwin
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@@ -1,4 +1,12 @@
#!/usr/bin/env bash #!/usr/bin/env bash
set -eu set -eu
if ! command -v clang-cl >/dev/null 2>&1; then
echo "clang-cl is required for Windows cross-builds on Linux."
echo "Install LLVM/Clang toolchain first, for example on Ubuntu:"
echo " sudo apt update"
echo " sudo apt install -y clang lld llvm"
exit 1
fi
exec cargo xwin "$@" exec cargo xwin "$@"