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-rw-r--r--HOWTO.md9
1 files changed, 8 insertions, 1 deletions
diff --git a/HOWTO.md b/HOWTO.md
index c2d2ae7..7f1cd92 100644
--- a/HOWTO.md
+++ b/HOWTO.md
@@ -78,7 +78,7 @@ wget -O- https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/w
```
Next Compile the C demo Wasm Modules to `.wasm` files. This requires at least
-the following; make and clang, llvm, compiler-rt, and lld from LLVM 8.0+
+the following; make and clang, llvm, compiler-rt, and lld from LLVM 9.0+
```shell
$ cd unit-wasm
@@ -108,6 +108,13 @@ Adjust the tar '-C ...' option accordingly below...
wget -O- https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/libclang_rt.builtins-wasm32-wasi-20.0.tar.gz | sudo tar -xvzf - -C /usr/lib/llvm-11/lib/clang/11.0.1
```
+With recent enough versions of Clang (that support the -print-runtime-dir
+option) you can use the following command (as root)
+
+```shell
+wget -O- https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/libclang_rt.builtins-wasm32-wasi-20.0.tar.gz | tar --strip-components=1 -xvzf - -C $(dirname $(clang -print-runtime-dir))
+```
+
Then try again...
If everything built OK then you should have the following two WASM modules