encumbered/lame fails to build
lame-3.99.5 fails in prep phase:
libtoolize: rerunning libtoolize, to keep the correct libtool macros in-tree.
libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
aclocal: warning: autoconf input should be named 'configure.ac', not 'configure.in'
/usr/share/aclocal/aalib.m4:12: warning: underquoted definition of AM_PATH_AALIB
/usr/share/aclocal/aalib.m4:12: run info Automake 'Extending aclocal'
/usr/share/aclocal/aalib.m4:12: or see http://www.gnu.org/software/automake/manual/automake.html#Extending-aclocal
configure.in:81: error: automatic de-ANSI-fication support has been removed
/usr/share/aclocal-1.15/obsolete.m4:26: AM_C_PROTOTYPES is expanded from...
configure.in:81: the top level
autom4te: /usr/bin/gm4 failed with exit status: 1
aclocal: error: echo failed with exit status: 1