Fix setup.sh for unix compatibility

Author: Xmader

setup.sh

@@ -27,7 +27,11 @@ else
 fi
 # Install rust compiler
 echo "Installing rust compiler"
-curl --proto '=https' --tlsv1.2 https://raw.githubusercontent.com/rust-lang/rustup/refs/tags/1.28.2/rustup-init.sh -sSf | sh -s -- -y --default-host "$(clang --print-target-triple)" --default-toolchain 1.85
+HOST_ABI_FLAGS=""
+if [[ "$OSTYPE" == "msys"* ]]; then # Windows
+  HOST_ABI_FLAGS="--default-host $(clang --print-target-triple)"
+fi
+curl --proto '=https' --tlsv1.2 https://raw.githubusercontent.com/rust-lang/rustup/refs/tags/1.28.2/rustup-init.sh -sSf | sh -s -- -y $HOST_ABI_FLAGS --default-toolchain 1.85
 CARGO_BIN="$HOME/.cargo/bin/cargo" # also works for Windows. On Windows this equals to %USERPROFILE%\.cargo\bin\cargo
 $CARGO_BIN install cbindgen
 # Setup Poetry