anchor.diff:  		--enable-shared \
   		--enable-unicode=ucs4 \
   	&& make -j "$(nproc)" \
  -# set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
  -# https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
  -		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
   	&& make install \
  -	\
  -	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec scanelf --needed --nobanner --format '%n#p' '{}' ';' \
  -		| tr ',' '\n' \
  -		| sort -u \
  -		| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
  -		| xargs -rt apk add --virtual .python-rundeps \
  -	&& apk del .build-deps \
  +	&& ldconfig \
   	\
   	&& find /usr/local -depth \
   		\( \
  
positive.code:   && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
    && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
    && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
    && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
    && apk del .build-deps-yarn
  
  # skip installing gem documentation
  RUN mkdir -p /usr/local/etc \
  
negative.code: 		\) -exec rm -rf '{}' +; \
  	rm -f get-pip.py
  
  # install "virtualenv", since the vast majority of users of this image will want it
  RUN pip install --no-cache-dir virtualenv