Blender benchmark build error

Hi there, I’m trying to do a build of the benchmark CLI and am following the instructions for Windows here:

https://developer.blender.org/source/blender-open-data/browse/master/launcher/BUILD.md

And I get an error when I do a build:

$ make

make -C freetype2

make[1]: Entering directory '/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2'

    if [ -f "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2/build"/curdir ]; then \

            if [ ! "$(cat "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2/build"/curdir)" = "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2" ]; then \

                    echo "build CURDIR: $(cat "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2/build"/curdir)"; \

                    echo "current CURDIR: /c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2"; \

                    echo "rebuilding due to CURDIR change" ; \

                    make clean; \

            fi \

    else \

            make clean; \

    fi

    make[2]: Entering directory '/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2'

    rm -rf "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2/build"

    make[2]: Leaving directory '/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2'

    make clean

    make[2]: Entering directory '/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2'

    rm -rf "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2/build"

    make[2]: Leaving directory '/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2'

    mkdir -p "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2/build"

    cp modules.cfg "/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2/build"

    cd src && sh autogen.sh

    sh: autogen.sh: No such file or directory

    make[1]: *** [Makefile:21: build/curdir] Error 127

    make[1]: Leaving directory '/c/<path to>/blender_benchmark_src/blender-open-data/launcher/freetype2'

    make: *** [Makefile:174: freetype2] Error 2

There doesn’t seem to be an ‘autogen.sh’, am I missing something?