+GNUM4=
+
+ACINCLUDE_FILES="lyxinclude.m4 libtool.m4 codeset.m4 gettext.m4 glibc21.m4 iconv.m4 isc-posix.m4 lcmessage.m4 progtest.m4 sigc++.m4 qt2.m4 gtk--.m4 gnome--.m4 gnome.m4 pspell.m4"
+SIGCPP_ACINCLUDE_FILES="libtool.m4"
+
+echo -n "Locating GNU m4... "
+for prog in $M4 gm4 gnum4 m4 ; do
+ case `$prog --version 2>&1` in
+ *GNU*) ok=yes
+ GNUM4=$prog
+ echo "found: $GNUM4"
+ break ;;
+ *) ;;
+ esac
+done
+if test x$ok = xno ; then
+ echo "not found."
+fi
+
+# Generate acinclude.m4
+echo -n "Generate acinclude.m4... "
+rm -f acinclude.m4 sigc++/acinclude.m4
+(cd config ; cat ${ACINCLUDE_FILES} >../acinclude.m4)
+(cd config ; cat ${SIGCPP_ACINCLUDE_FILES} >../sigc++/acinclude.m4)
+echo "done."