Update docs

Author: mcbarton

.github/workflows/emscripten.yml

@@ -273,7 +273,6 @@ jobs:
         cd native_build
         cmake -DLLVM_ENABLE_PROJECTS=clang -DLLVM_TARGETS_TO_BUILD=host -DCMAKE_BUILD_TYPE=Release -G Ninja ../llvm/
         cmake --build . --target llvm-tblgen clang-tblgen --parallel $(nproc --all)
-        find.exe .
         $env:PWD_DIR= $PWD.Path
         $env:NATIVE_DIR="$env:PWD_DIR/bin/"
         cd ..

Emscripten-build-instructions.md

@@ -108,6 +108,13 @@ emmake make lldWasm -j $(nproc --all)
 or executing
 
 ```powershell
+mkdir native_build
+cd native_build
+cmake -DLLVM_ENABLE_PROJECTS=clang -DLLVM_TARGETS_TO_BUILD=host -DCMAKE_BUILD_TYPE=Release -G Ninja ../llvm/
+cmake --build . --target llvm-tblgen clang-tblgen --parallel $(nproc --all)
+$env:PWD_DIR= $PWD.Path
+$env:NATIVE_DIR="$env:PWD_DIR/bin/"
+cd ..
 mkdir build
 cd build
 emcmake cmake -DCMAKE_BUILD_TYPE=Release `
@@ -129,6 +136,7 @@ emcmake cmake -DCMAKE_BUILD_TYPE=Release `
                         -DLLVM_BUILD_TOOLS=OFF                          `
                         -DLLVM_ENABLE_LIBPFM=OFF                        `
                         -DCLANG_BUILD_TOOLS=OFF                         `
+                        -DLLVM_NATIVE_TOOL_DIR="$env:NATIVE_DIR" 		`
                         -G Ninja `
                         ..\llvm
 emmake ninja libclang clangInterpreter clangStaticAnalyzerCore lldWasm

docs/Emscripten-build-instructions.rst

@@ -128,6 +128,13 @@ or executing
 
 .. code:: powershell
 
+   mkdir native_build
+   cd native_build
+   cmake -DLLVM_ENABLE_PROJECTS=clang -DLLVM_TARGETS_TO_BUILD=host -DCMAKE_BUILD_TYPE=Release -G Ninja ../llvm/
+   cmake --build . --target llvm-tblgen clang-tblgen --parallel $(nproc --all)
+   $env:PWD_DIR= $PWD.Path
+   $env:NATIVE_DIR="$env:PWD_DIR/bin/"
+   cd ..
    mkdir build
    cd build
    emcmake cmake -DCMAKE_BUILD_TYPE=Release `
@@ -149,6 +156,7 @@ or executing
                         -DLLVM_BUILD_TOOLS=OFF                          `
                         -DLLVM_ENABLE_LIBPFM=OFF                        `
                         -DCLANG_BUILD_TOOLS=OFF                         `
+                        -DLLVM_NATIVE_TOOL_DIR="$env:NATIVE_DIR" 		    `
                         -G Ninja `
                         ..\llvm
    emmake ninja libclang clangInterpreter clangStaticAnalyzerCore lldWasm