git clone https://github.com/ngtcp2/nghttp3
sudo apt-get install -f g++ make binutils autoconf automake autotools-dev libtool pkg-config
zlib1g-dev libcunit1-dev libssl-dev libxml2-dev libev-dev libevent-dev libjansson-dev
libc-ares-dev libjemalloc-dev libsystemd-dev python3 python3-pip build-essential gyp ninja-build
cython python3-dev python-setuptools mercurial gcc-multilib -y
sudo autoreconf -i
sudo ./configure --prefix=/opt/nghttp3 --enable-lib-only or sudo ./configure --prefix=/opt/nghttp2 --enable-lib-only
sudo make
build nghttp3 files AC_CONFIG_AUX_DIR
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, ‘.’.
libtoolize: copying file ‘./ltmain.sh’
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, ‘m4’.
libtoolize: copying file ‘m4/libtool.m4’
libtoolize: copying file ‘m4/ltoptions.m4’
libtoolize: copying file ‘m4/ltsugar.m4’
libtoolize: copying file ‘m4/