|  | FROM ubuntu:20.04 AS builder | 
|  |  | 
|  | ARG DEBIAN_FRONTEND=noninteractive | 
|  | ENV TZ=UTC | 
|  |  | 
|  | RUN apt-get update && \ | 
|  | apt-get install -y --no-install-recommends ca-certificates git \ | 
|  | build-essential cmake ninja-build python3 libjemalloc-dev \ | 
|  | python3-psutil && \ | 
|  | rm -rf /var/lib/apt/lists | 
|  |  | 
|  | WORKDIR /home/bolt | 
|  |  | 
|  | RUN git clone --depth 1 https://github.com/llvm/llvm-project | 
|  |  | 
|  | RUN mkdir build && \ | 
|  | cd build && \ | 
|  | cmake -G Ninja ../llvm-project/llvm \ | 
|  | -DLLVM_ENABLE_PROJECTS="bolt;clang;lld" \ | 
|  | -DLLVM_TARGETS_TO_BUILD="X86;AArch64" \ | 
|  | -DCMAKE_BUILD_TYPE=Release \ | 
|  | -DLLVM_ENABLE_ASSERTIONS=ON \ | 
|  | -DCMAKE_EXE_LINKER_FLAGS="-Wl,--push-state -Wl,-whole-archive -ljemalloc_pic -Wl,--pop-state -lpthread -lstdc++ -lm -ldl" \ | 
|  | -DCMAKE_INSTALL_PREFIX=/home/bolt/install && \ | 
|  | ninja check-bolt && \ | 
|  | ninja install-llvm-bolt install-perf2bolt install-merge-fdata \ | 
|  | install-llvm-boltdiff install-bolt_rt | 
|  |  | 
|  | FROM ubuntu:20.04 | 
|  |  | 
|  | COPY --from=builder /home/bolt/install /usr/local |