Build clad (#99)

* Add clad

.github/workflows/build.yml

@@ -1,6 +1,7 @@
 name: Build
 on:
   push:
+    branches: [main]
   workflow_dispatch:
 jobs:     
   build-x86_64:
@@ -9,6 +10,7 @@ jobs:
       matrix:
         image:
         - compcert
+        - clad
         - heaptrack
         - hylo
         - iwyu

Dockerfile.clad

@@ -0,0 +1,24 @@
+FROM ubuntu:22.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt update -y -q && apt upgrade -y -q && apt update -y -q && \
+    apt install -y -q \
+    build-essential \
+    cmake \
+    curl \
+    git \
+    gnupg \
+    lsb-release \
+    ninja-build \
+    pip \
+    python3 \
+    software-properties-common \
+    wget
+
+RUN pip install lit
+
+RUN mkdir -p /root
+COPY clad /root/
+COPY common.sh /root/
+
+WORKDIR /root

clad/build.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+set -euxo pipefail
+source common.sh
+
+VERSION=$1
+if [[ "${VERSION}" = "trunk" ]]; then
+    VERSION=trunk-$(date +%Y%m%d)
+    BRANCH=master
+    REMOTE=heads/${BRANCH}
+else
+    BRANCH=v${VERSION}
+    REMOTE=tags/${BRANCH}
+fi
+
+URL=https://github.com/vgvassilev/clad
+CLANG_VERSION=18.1.0
+
+FULLNAME=clad-${VERSION}
+OUTPUT=$2/${FULLNAME}.tar.xz
+
+REVISION="$(get_remote_revision "${URL}" "${REMOTE}")"
+
+REVISION="clad-${REVISION}"
+LAST_REVISION="${3:-}"
+
+initialise "${REVISION}" "${OUTPUT}" "${LAST_REVISION}"
+
+PREFIX=$(pwd)/prefix
+LLVM=$(pwd)/llvm
+BUILD=$(pwd)/build
+SOURCE=$(pwd)/clad
+
+git clone --depth 1 -b llvmorg-${CLANG_VERSION} https://github.com/llvm/llvm-project.git "${LLVM}"
+git clone --depth 1 -b "${BRANCH}" "${URL}" "${SOURCE}"
+
+mkdir "${BUILD}"
+cd "${BUILD}"
+cmake "${LLVM}/llvm" \
+    -DLLVM_ENABLE_PROJECTS=clang \
+    -DLLVM_EXTERNAL_PROJECTS=clad \
+    -DLLVM_EXTERNAL_CLAD_SOURCE_DIR=${SOURCE} \
+    -DCMAKE_BUILD_TYPE="Release" \
+    -DLLVM_TARGETS_TO_BUILD=host \
+    -DLLVM_INSTALL_UTILS=ON \
+    -DCMAKE_INSTALL_PREFIX="${PREFIX}" \
+    -GNinja
+
+ninja clang-headers
+ninja clad
+ninja install-clad
+
+complete "${PREFIX}" "${FULLNAME}" "${OUTPUT}"