Gist to reproduce Ruby MRI compilation issue with Sulong

mri.dockerfile

FROM ubuntu:20.04

RUN apt-get update && apt-get install -y make libedit* tree

WORKDIR /app

COPY graalvm-ce-java11-linux-amd64-21.0.0.tar.gz graalvm.tar.gz
COPY llvm-toolchain-installable-java11-linux-amd64-21.0.0.jar llvm-toolchain.jar
RUN tar zxvf graalvm.tar.gz

ENV GRAALVM_HOME /app/graalvm-ce-java11-21.0.0

RUN $GRAALVM_HOME/bin/gu install -L llvm-toolchain.jar


COPY ruby-2.7.2.tar.gz ruby.tar.gz

RUN tar zxvf ruby.tar.gz

WORKDIR ruby-2.7.2

RUN apt-get install -y clang-11  # just to get some needed libraries

RUN CC=$GRAALVM_HOME/languages/llvm/native/bin/clang ./configure

RUN make V=1 -j4