# cat /var/tmp/portage/app-text/unac-1.8.0/temp/aclocal.out ***** aclocal ***** ***** PWD: /var/tmp/portage/app-text/unac-1.8.0/work/unac-1.8.0.orig ***** aclocal acinclude.m4:35: warning: underquoted definition of AC_COMPILE_WARNINGS acinclude.m4:35: run info Automake 'Extending aclocal' acinclude.m4:35: or see http://www.gnu.org/software/automake/manual/automake.html#Extending-aclocal configure.ac:29: error: 'AM_CONFIG_HEADER': this macro is obsolete. You should use the 'AC_CONFIG_HEADERS' macro instead. /usr/share/aclocal-1.13/obsolete-err.m4:12: AM_CONFIG_HEADER is expanded from... configure.ac:29: the top level autom4te-2.69: /usr/bin/m4 failed with exit status: 1 aclocal-1.13: error: echo failed with exit status: 1 Please note that although this package is stable and automake-1.13 is ~arch, this is still a priority fix because ~arch users are immediately affected.
Fixed, thanks for reporting. + 23 Jul 2013; Alexandre Rostovtsev <tetromino@gentoo.org> unac-1.8.0.ebuild, + +files/unac-1.8.0-automake-1.13.1.patch: + Fix building with automake-1.13.1 and >1.14 (bug #467618, thanks to Ian + Stakenvicius). Clean up the ebuild a bit.