-
-ACINCLUDE_FILES="lyxinclude.m4 libtool.m4 codeset.m4 gettext.m4 glibc21.m4 iconv.m4 isc-posix.m4 lcmessage.m4 progtest.m4 xforms.m4 qt.m4 gtk--.m4 gnome--.m4 gnome.m4 pspell.m4 pkg.m4"
-SIGCPP_ACINCLUDE_FILES="libtool.m4"
-
-echo -n "Locating GNU m4... "
-GNUM4=
-for prog in $M4 gm4 gnum4 m4; do
- # continue if $prog generates error (e.g. does not exist)
- ( $prog --version ) < /dev/null > /dev/null 2>&1
- if test $? -ne 0 ; then continue; fi
-
- # /dev/null input prevents a hang of the script for some m4 compilers (e.g. on FreeBSD)
- case `$prog --version < /dev/null 2>&1` in
- *GNU*) GNUM4=$prog
- break ;;
- esac
-done
-if test x$GNUM4 = x ; then
- echo "not found."
- exit
-else
- echo `which $GNUM4`
-fi
-
-# Generate acinclude.m4
-echo -n "Generate acinclude.m4... "
-rm -f acinclude.m4
-(cd config ; cat ${ACINCLUDE_FILES} >../acinclude.m4)
-echo "done."
+# Delete old cache directories.
+# automake will stop if their contents was created by an earlier version.
+rm -rf autom4te.cache