feat(scripts): set CC and CXX to clang while building the node

README.md

@@ -71,13 +71,24 @@ packages
 from a testing branch. Or you could build the RocksDB from source manually:
 
 ```bash
+# Install dependencies
+sudo apt install libjemalloc-dev libgflags-dev libzstd-dev liblz4-dev
+
+# Clone the repo
 cd /path/to
 git clone https://github.com/facebook/rocksdb.git
 cd rocksdb
-git checkout v8.10.0
+git checkout v9.7.4
+
+# Build the library
 mkdir -p build && cd ./build
-cmake -DWITH_LZ4=ON -DWITH_ZSTD=ON -DWITH_JEMALLOC=ON -DCMAKE_BUILD_TYPE=Release ..
+export CC=/usr/bin/clang
+export CXX=/usr/bin/clang++
+cmake -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_BUILD_TYPE=Release \
+  -DWITH_LZ4=ON -DWITH_ZSTD=ON -DWITH_JEMALLOC=ON ..
 make -j16 rocksdb
+
+# Set env somewhere
 export ROCKSDB_LIB_DIR=/path/to/rocksdb/build
 ```
 

justfile

@@ -9,6 +9,10 @@ local_network_dir := justfile_directory() / ".temp"
 default:
     @just --choose
 
+# Installs the node.
+install:
+    ./scripts/install.sh
+
 # Installs the required version of `rustfmt`.
 install_fmt:
     rustup component add rustfmt --toolchain nightly

scripts/build-node.sh

@@ -4,6 +4,8 @@ set -eE
 script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)
 root_dir=$(cd "${script_dir}/../" && pwd -P)
 
+source "${script_dir}/common.sh"
+
 if [ -z "${TYCHO_BUILD_PROFILE}" ]; then
     profile_arg=""
     profile="debug"
@@ -12,6 +14,7 @@ else
     profile="${TYCHO_BUILD_PROFILE}"
 fi
 
+set_clang_env 19
 cargo build --bin tycho $profile_arg
 
 echo "${root_dir}/target/${profile}/tycho"

scripts/common.sh

@@ -5,3 +5,31 @@ function is_number {
         return 1
     fi
 }
+
+function set_clang_env {
+    local clang_version="$1"
+    if [ -z "$clang_version" ]; then
+        echo "ERROR: Expected clang versrion for 'set_clang_env'."
+        exit 1
+    fi
+
+    if [ -z "$2" ] || [ "$2" == "require" ]; then
+        local require="$2"
+    else
+        echo "ERROR: Expected optional 'require' flag for 'set_clang_env'."
+        exit 1
+    fi
+
+    local cc_path=$(command -v "clang-${clang_version}" 2>&1 || true)
+    local cxx_path=$(command -v "clang++-${clang_version}" 2>&1 || true)
+
+    if [ ! -z "$cc_path" ] && [ ! -z "$cxx_path" ]; then
+        export CC="$cc_path"
+        export CXX="$cxx_path"
+    elif [ -z "$require" ]; then
+        echo "WARN: Clang ${clang_version} not found, fallback to default build."
+    else
+        echo "ERROR: Clang ${clang_version} required but not found."
+        exit 1
+    fi
+}

scripts/install.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -eE
+
+script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)
+root_dir=$(cd "${script_dir}/../" && pwd -P)
+
+source "${script_dir}/common.sh"
+
+if ! command -v cargo 2>&1 >/dev/null
+then
+    cat << EOF
+ERROR: \`cargo\` could not be found. You need to install the Rust compiler first:
+
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+
+And add its environment variables:
+
+source ~/.cargo/env
+
+EOF
+    exit 1
+fi
+
+set_clang_env 19
+cargo install --path ./cli --locked
+
+cat << EOF
+Node installed successfully. Run the following to configure it:
+
+tycho init --systemd --global-config https://testnet.tychoprotocol.com/global-config.json \\
+  --validator --stake 500000
+
+Where
+  --global-config: file path or URL to the network global config
+  --stake: stake value per round
+EOF