Error: expected expression before ‘?’ about hashlink HOT 4 CLOSED

FROM haxe:4.2.5
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app

# install dependencies
COPY *.hxml /usr/src/app/
RUN yes | haxelib install all

# compile the project
COPY . /usr/src/app

RUN apt-get update 
RUN apt-get install -y --no-install-recommends \
    g++ \
    libmbedtls-dev \
    libopenal-dev \
    libpng-dev \
    libsdl2-dev \
    libturbojpeg-dev \
    libuv1-dev \
    libvorbis-dev \
    libsqlite3-dev \
    make
    
RUN haxelib install hlsdl && \
    haxelib git heaps https://github.com/HeapsIO/heaps.git && \
    haxelib git hashlink https://github.com/HaxeFoundation/hashlink.git master other/haxelib/

RUN git clone https://github.com/HaxeFoundation/hashlink
RUN cd hashlink && make 
RUN cd hashlink && make install

RUN haxe compile.hxml

RUN dir
RUN cp hashlink/*.hdll /usr/src/app/.
# run the output when the container starts
RUN gcc -O3 -o helloWorld -std=c11 -I out out/main.c sdl.hdll ui.hdll fmt.hdll openal.hdll ui.hdll uv.hdll -lhl

# docker build -t my-haxe-app .
# docker run -it my-haxe-app