diff --git a/README.md b/README.md
index 25b9f38..b74d174 100644
--- a/README.md
+++ b/README.md
@@ -95,4 +95,3 @@ to. It is in the Public Domain.
 
 
 [1]: https://cmake.org/cmake/help/latest/envvar/DESTDIR.html#envvar:DESTDIR
-[2]:
diff --git a/build-clang.sh b/build-clang.sh
new file mode 100755
index 0000000..02a8db0
--- /dev/null
+++ b/build-clang.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env sh
+
+# Build Clang from source.
+# Run this from within the llvm-project directory
+
+# https://llvm.org/docs/CMake.html
+# From their wiki, potential values for Projects includes
+# clang;clang-tools-extra;compiler-rt;cross-project-tests;libc;libclc;libcxx;libcxxabi;libunwind;lld;lldb;openmp;parallel-libs;polly;pstl
+
+INSTALL_DIR=$HOME/usr/local
+mkdir -p $INSTALL_DIR
+
+cmake -S llvm -B build -G Ninja \
+	  -DCMAKE_BUILD_TYPE=Release \
+	  -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR \
+	  -DLLVM_ENABLE_PROJECS="llvm;clang;openmp"
+
+cd build
+ninja
diff --git a/cmake-default.sh b/cmake-default.sh
index b11fca1..7c150d8 100755
--- a/cmake-default.sh
+++ b/cmake-default.sh
@@ -6,7 +6,7 @@ mkdir build
 cd build
 
 # Source common settings
-. $HOME/usr/local/share/config.site
+#. $HOME/usr/local/share/config.site
 
 # Configure
 cmake .. -G Ninja \