No need to build LLVM anymore

Author: AlexDenisov

README.md

@@ -5,15 +5,15 @@ Simplified version of Firestorm targeting C instead of machine code directly.
 # Local Build Setup
 
 Brew:
-```
-brew install ninja cmake ccache hyperfine
+
+```bash
+brew install ninja cmake ccache hyperfine llvm@19
 ```
 
 Get the sources
 
 ```bash
 git clone [email protected]:DragonRuby/lightstorm.git --recursive
-git clone [email protected]:llvm/llvm-project.git; cd llvm-project; git checkout d401987fe349a87c53fe25829215b080b70c0c1a
 ```
 
 Create toolchain dir
@@ -23,33 +23,11 @@ sudo mkdir /opt/lightstorm.toolchain.dir
 sudo chown `whoami` /opt/lightstorm.toolchain.dir
 ```
 
-Build and install LLVM (+clang +MLIR):
-
-```bash
-mkdir lightstorm-llvm; cd lightstorm-llvm
-cmake -G Ninja \
-  -DLLVM_ENABLE_PROJECTS="mlir" \
-  -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-  -DLLVM_TARGETS_TO_BUILD=host \
-  -DLLVM_ENABLE_ZLIB=OFF \
-  -DLLVM_ENABLE_ZSTD=OFF \
-  -DLLVM_ENABLE_TERMINFO=OFF \
-  -DCMAKE_C_COMPILER_LAUNCHER=ccache \
-  -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
-  -DCMAKE_INSTALL_PREFIX=/opt/lightstorm.toolchain.dir/llvm \
-  ../llvm-project/llvm
-
-ninja
-ninja install
-
-cd ..
-```
-
 Build lightstorm
 
 ```bash
 mkdir lightstorm-build; cd lightstorm-build
-cmake -G Ninja -DCMAKE_PREFIX_PATH=/opt/lightstorm.toolchain.dir/llvm \
+cmake -G Ninja -DCMAKE_PREFIX_PATH=/opt/homebrew/opt/llvm@19/ \
   -DCMAKE_INSTALL_PREFIX=/opt/lightstorm.toolchain.dir/lightstorm \
   ../lightstorm