Use custom LLVM (#1971)

BPF SDK uses custom LLVM

sdk/docker-llvm/Dockerfile

@@ -1,68 +0,0 @@
-# This docker file is based on the llvm docker file example located here:
-# https://github.com/llvm-mirror/llvm/blob/master/utils/docker/debian8/Dockerfile
-
-FROM launcher.gcr.io/google/debian8:latest as builder
-LABEL maintainer "Solana Maintainers"
-
-# Install build dependencies of llvm.
-# First, Update the apt's source list and include the sources of the packages.
-RUN grep deb /etc/apt/sources.list | \
-    sed 's/^deb/deb-src /g' >> /etc/apt/sources.list
-
-# Install compiler, python and subversion.
-RUN apt-get update && \
-    apt-get install -y \
-                    --no-install-recommends \
-                    ca-certificates gnupg \
-                    build-essential \
-                    python \
-                    wget \
-                    unzip \
-                    git \
-                    ssh && \
-    rm -rf /var/lib/apt/lists/*
-
-# Install a newer ninja release. It seems the older version in the debian repos
-# randomly crashes when compiling llvm.
-RUN wget "https://github.com/ninja-build/ninja/releases/download/v1.8.2/ninja-linux.zip" && \
-    echo "d2fea9ff33b3ef353161ed906f260d565ca55b8ca0568fa07b1d2cab90a84a07 ninja-linux.zip" \
-        | sha256sum -c  && \
-    unzip ninja-linux.zip -d /usr/local/bin && \
-    rm ninja-linux.zip
-
-# Import public key required for verifying signature of cmake download.
-RUN gpg --no-tty --keyserver hkp://pgp.mit.edu --recv 0x2D2CEF1034921684
-
-# Download, verify and install cmake version that can compile clang into /usr/local.
-# (Version in debian8 repos is too old)
-RUN mkdir /tmp/cmake-install && cd /tmp/cmake-install && \
-    wget "https://cmake.org/files/v3.7/cmake-3.7.2-SHA-256.txt.asc" && \
-    wget "https://cmake.org/files/v3.7/cmake-3.7.2-SHA-256.txt" && \
-    gpg --verify cmake-3.7.2-SHA-256.txt.asc cmake-3.7.2-SHA-256.txt && \
-    wget "https://cmake.org/files/v3.7/cmake-3.7.2-Linux-x86_64.tar.gz" && \
-    ( grep "cmake-3.7.2-Linux-x86_64.tar.gz" cmake-3.7.2-SHA-256.txt | \
-      sha256sum -c - ) && \
-    tar xzf cmake-3.7.2-Linux-x86_64.tar.gz -C /usr/local --strip-components=1 && \
-    cd / && \
-    rm -rf /tmp/cmake-install
-
-# ADD checksums /tmp/checksums
-# ADD scripts /tmp/scripts
-
-# Checkout the source code 
-RUN git clone https://github.com/solana-labs/llvm.git && \
-    git clone https://github.com/solana-labs/clang.git llvm/tools/clang && \
-    git clone https://github.com/solana-labs/clang-tools-extra.git llvm/tools/clang/tools/extra  && \
-    git clone https://github.com/solana-labs/lld.git llvm/tools/lld  && \
-    git clone https://github.com/solana-labs/compiler-rt.git llvm/projects/compiler-rt
-
-RUN mkdir /llvm/build && \
-    cd /llvm/build && \
-    cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_INSTALL_PREFIX=$HOME/local -G "Ninja" .. && \
-    ninja -j6 && \
-    ninja install
-
-# Produce stage 2 docker with just the peices needed
-FROM launcher.gcr.io/google/debian8:latest
-LABEL maintainer "Solana Maintainers"
-COPY --from=builder root/local/bin /usr/local/bin

sdk/docker-llvm/README.md

@@ -1,16 +0,0 @@
-## Solana Customized LLVM
-
-This Docker contains LLVM binaries that incorporate customizations and fixes required
-by Solana but not yet upstreamed into the LLVM mainline.
-
-https://hub.docker.com/r/solanalabs/llvm/
-
-### Usage:
-
-This Docker is optionally used by the SDK BPF build system.
-
-For more information:
-
-```bash
-$ make help
-```

sdk/docker-llvm/build.sh

@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-set -ex
-
-cd "$(dirname "$0")"
-
-docker build -t solanalabs/llvm .
-docker push solanalabs/llvm