-ACINCLUDE_FILES="lyxinclude.m4 libtool.m4 codeset.m4 intmax.m4 longdouble.m4 longlong.m4 nls.m4 printf-posix.m4 signed.m4 size_max.m4 wchar_t.m4 wint_t.m4 xsize.m4 gettext.m4 glibc21.m4 iconv.m4 isc-posix.m4 lcmessage.m4 progtest.m4 xforms.m4 qt.m4 gtk--.m4 gnome--.m4 gnome.m4 aspell.m4 pspell.m4 cygwin.m4 pkg.m4"
+
+# Discover what version of automake we are using.
+automake_version=`$AUTOMAKE --version 2>/dev/null | head -n 1`
+
+test "$automake_version" != "" && {
+ echo "Using $automake_version"
+} || {
+ echo "LyX requires automake >= 1.5"
+ exit 1
+}
+
+case $automake_version in
+ *' '1.[5-9]*|*' '1.10*)
+ ;;
+ *)
+
+ echo "This automake version is not supported by LyX."
+ echo "LyX only supports automake 1.5 to 1.10."
+ exit 1
+ ;;
+esac