-# Generate acinclude.m4
-echo -n "Generate acinclude.m4... "
-rm -f acinclude.m4 sigc++/acinclude.m4
-touch acinclude.m4
-for fil in config/lyxinclude.m4 config/libtool.m4 config/gettext.m4 config/lcmessage.m4 config/progtest.m4 config/sigc++.m4 config/kde.m4 config/gnome/gtk.m4 config/gnome/aclocal-include.m4 config/gnome/gnome-print-check.m4 config/gnome/compiler-flags.m4 config/gnome/gnome-pthread-check.m4 config/gnome/curses.m4 config/gnome/gnome-support.m4 config/gnome/gnome-bonobo-check.m4 config/gnome/gnome-undelfs.m4 config/gnome/gnome-common.m4 config/gnome/gnome-vfs.m4 config/gnome/gnome-fileutils.m4 config/gnome/gnome-x-checks.m4 config/gnome/gnome-ghttp-check.m4 config/gnome/gnome-xml-check.m4 config/gnome/gnome-gnorba-check.m4 config/gnome/gnome.m4 config/gnome/gnome-guile-checks.m4 config/gnome/gperf-check.m4 config/gnome/gnome-libgtop-check.m4 config/gnome/linger.m4 config/gnome/gnome-objc-checks.m4 config/gnome/need-declaration.m4 config/gnome/gnome-orbit-check.m4 config/gnome/gtk--.m4 config/gnome/gnome--.m4 ; do
- cat $fil >> acinclude.m4
-done
-touch sigc++/acinclude.m4
-for fil in config/libtool.m4 ; do
- cat $fil >> sigc++/acinclude.m4
-done
-echo "done."
-
-# Generate the ext_l10n.h
-echo -n "Generate the ext_l10n file..."
-rm -f src/ext_l10n.h
-# first the ui file(s)
-grep -i -E "submenu|item|optitem" < lib/ui/default.ui | cut -d '"' -f 2 | awk '{printf "_(\"%s\");\n", $0}' > src/ext_l10n.h
-# then the layout files
-cat lib/layouts/*.layout lib/layouts/*.inc | grep -i -E "[ ]*style .+$" | cut -d ' ' -f 2 | sort | uniq | awk '{printf "_(\"%s\");\n", $0}' >> src/ext_l10n.h
-echo "done."
+test "$autoversion" != "" && {
+ echo "Using $autoversion"
+} || {
+ echo "LyX requires autoconf >= 2.59c"
+ exit 1
+}
+
+
+case $autoversion in
+ *' '2.59[cd]|*' '2.60[ab]|*' '2.6[0-8])
+ ;;
+ *)
+ echo "This autoconf version is not supported by LyX."
+ echo "LyX only supports autoconf 2.59c-2.68."
+ exit 1
+ ;;
+esac
+
+# Delete old cache directories.
+# automake will stop if their contents was created by an earlier version.
+rm -rf autom4te.cache