Build LLVM in container

build.sh

#!/bin/bash 

set -x
set -e

python_version=3.7

mkdir -p build

cd build

# TODO(kwk): What about CCache?

cmake \
    ../llvm \
    -DCMAKE_INSTALL_PREFIX=myinstalldir \
    -G "Ninja" \
    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
    -DCMAKE_C_COMPILER=gcc \
    -DCMAKE_CXX_COMPILER=g++ \
    -DLLVM_ENABLE_PROJECTS="lldb;clang;clang-tools-extra;lld;debuginfo-tests" \
    -DCMAKE_EXPORT_COMPILE_COMMANDS=1 \
    -DLLDB_EXPORT_ALL_SYMBOLS=1 \
    -DBUILD_SHARED_LIBS=On \
    -DLLVM_BUILD_INSTRUMENTED_COVERAGE=Off \
    -DLLVM_CCACHE_BUILD=Off \
    -DLLVM_ENABLE_IDE=On \
    -DLLVM_ENABLE_ASSERTIONS=On \
    -DLLVM_USE_SPLIT_DWARF=On \
    -DLLVM_LIT_ARGS="-sv -j 1" 

cmake --build . --config RelWithDebInfo --target all

cmake --build . --config RelWithDebInfo --target check-all

Dockerfile

FROM fedora:32

LABEL maintainer="Konrad Kleine <kkleine@redhat.com>"
LABEL author="Konrad Kleine <kkleine@redhat.com>"
LABEL description="An image to build and test LLVM"
ENV LANG=en_US.utf8

RUN echo -e "\
[buildkite-agent] \n\
name            = Buildkite Pty Ltd \n\
baseurl         = https://yum.buildkite.com/buildkite-agent/stable/x86_64/ \n\
enabled         = 1 \n\
priority        = 1 \n\
gpgcheck        = 0\
" > /etc/yum.repos.d/buildkite-agent.repo

RUN dnf install -y \
    buildkite-agent \
    clang \
    cmake \
    doxygen \
    doxygen \
    gcc \
    git \
    graphviz \
    htop \
    libedit-devel \
    libxml2-devel \
    ninja-build \
    python3-psutil \
    python3 \
    python3-devel \
    vim \
    wget \
    xz-devel \
    zip \
   && yum clean all

COPY build.sh /build.sh
RUN chmod +x /build.sh

# This is the secret you should set from outside
ENV BUILDKITE_AGENT_TOKEN="<REPLACE_ME>"

# Adapt this to whatever docker base image this builds on and what settings you have configured LLVM with
ENV BUILDKITE_AGENT_TAGS="os=fedora,osversion=32,arch=x86_64,build_type=relwithdebinfo,cc=gcc,cxx=g++,parallel_lit_tests=no"

# Ensure we only download the latest version and not more
ENV BUILDKITE_GIT_CLONE_FLAGS="-v --depth=1"

# Prepend timestamps on each line of output.
ENV BUILDKITE_TIMESTAMP_LINES=1

# Don't automatically run ssh-keyscan before checkout
ENV BUILDKITE_NO_SSH_KEYSCAN=1

# Start an HTTP server on this addr:port that returns whether the agent is healthy, disabled by default
ENV BUILDKITE_AGENT_HEALTH_CHECK_ADDR="0.0.0.0:9090"

# 9090 health port (see BUILDKITE_AGENT_HEALTH_CHECK_ADDR)
EXPOSE \
  9090/tcp \

# We check the health of the container by checking the BUILDKITE_AGENT_HEALTH_CHECK_ADDR
# https://docs.docker.com/engine/reference/builder/#healthcheck)
HEALTHCHECK --interval=5m --timeout=3s \
  CMD curl -f http://0.0.0.0:9090/ || exit 1

ENTRYPOINT [\
    "/usr/bin/buildkite-agent", \
    "start" \
]