***** aclocal *****
***** PWD: /var/tmp/portage/mail-client/mutt-1.5.21-r9/work/mutt-1.5.21
***** aclocal -I m4 -I m4

configure.ac:30: error: automatic de-ANSI-fication support has been removed
/usr/share/aclocal-1.12/protos.m4:12: AM_C_PROTOTYPES is expanded from...
configure.ac:30: the top level
autom4te-2.69: /usr/bin/m4 failed with exit status: 1
aclocal-1.12: error: autom4te failed with exit status: 1