'AM_PROG_LIBTOOL' not found in library
ubuntu@ubuntu:~/speexdsp$ ./autogen.sh
Updating build configuration files, please wait....
configure.ac:26: warning: macro 'AM_PROG_LIBTOOL' not found in library
configure.ac:25: error: possibly undefined macro: AC_LIBTOOL_WIN32_DLL
If this token and others are legitimate, please use m4_pattern_allow.
See the Autoconf documentation.
configure.ac:26: error: possibly undefined macro: AM_PROG_LIBTOOL
autoreconf: /usr/bin/autoconf failed with exit status: 1
Ubuntu 18.04 Aarch64 git clone https://gitlab.xiph.org/xiph/speexdsp.git -b SpeexDSP-1.2.0