How to put v8js on php7.1?

Question

PHP

Hello. When raising a container on a php-fpm 7.1 docker, an error occurs related to v8js.
Here is the text of the configure error: error: could not determine libv8 version
Has anyone encountered this? did you find a solution?
Here is the contents of the dockerfile

FROM php:7.1-fpm

RUN apt-get update
RUN apt-get install -y --no-install-recommends git zlib1g-dev

RUN docker-php-ext-install zip

RUN git clone https://github.com/chenos/v8.git /opt/v8
RUN git clone https://github.com/phpv8/v8js.git /tmp/v8js

RUN cd /opt/v8 && git checkout tags/v6.4.388.18
# RUN cd /tmp/v8js && git checkout tags/2.1.0

RUN cd /tmp/v8js && phpize
RUN cd /tmp/v8js && ./configure CXXFLAGS="-Wall -Wno-write-strings -Werror" \
    LDFLAGS="-lstdc++" --with-v8js=/opt/v8
RUN cd /tmp/v8js && make
RUN cd /tmp/v8js && make test
RUN cd /tmp/v8js && make install
RUN docker-php-ext-enable v8js