Trying to avoid iconv const warning and multiple -liconv options on FreeBSD

libisoburn/trunk/configure.ac

@@ -73,12 +73,23 @@ if test ! $ac_cv_func_fseeko; then
    AC_ERROR([Libburn requires largefile support.])
 fi
 
+if test x$LIBISOBURN_OLD_ICONV_CONFIGURE = x
+then
+
+dnl ts B00410 : To detect the need for -liconv and const argument of iconv()
+LIBBURNIA_CHECK_ICONV
+
+else
+
+dnl Outdated: produces double -liconv and warnings about parameter mismatch
 dnl If iconv(3) is in an extra lib, then it gets added to variable LIBS.
 dnl If not, then no -liconv will be added.
 AC_CHECK_LIB(iconv, iconv, , )
 dnl GNU iconv has no function iconv() but libiconv() and a macro iconv()
 AC_CHECK_LIB(iconv, libiconv, , )
 
+fi
+
 AC_PROG_LIBTOOL
 AC_SUBST(LIBTOOL_DEPS)
 LIBTOOL="$LIBTOOL --silent"