[autogen.sh] "possibly undefined macro: dnl" on Centos 8 Stream

I get an error when I run ./autogen.sh and I couldn't find the reason. I'm using *Centos 8 Stream.

• What is missing?

$ ./autogen.sh 
Preparing package directory /tools/dev/thunar...
Running intltoolize --automake --copy --force
Running gtkdocize --copy...
Running autoreconf...
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4 ${ACLOCAL_FLAGS}
autoreconf: configure.ac: tracing
autoreconf: running: libtoolize --copy --force
libtoolize: putting auxiliary files in '.'.
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/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
autoreconf: running: /usr/bin/autoconf --force
configure.ac:1: error: possibly undefined macro: dnl
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1

Versions

• autoconf (GNU Autoconf) 2.69
• libtool (GNU libtool) 2.4.6