Source
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--- configure.ac.orig 2004-10-16 11:26:12.000000000 -0400
+++ configure.ac 2013-03-05 00:01:14.000000000 -0500
AM_INIT_AUTOMAKE([unac], $VERSION, nosubst)
AC_PREREQ(2.50)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
AC_PROG_MAKE_SET
AM_ICONV
-AC_CHECK_FUNCS(iconv_open,,AC_MSG_ERROR([
+LIBS="$LIBS -liconv"
+AC_CHECK_FUNCS(libiconv_open,,AC_MSG_ERROR([
iconv_open not found try to install replacement from
http://www.gnu.org/software/libiconv/
ftp://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.9.1.tar.gz]))