automake: add basic libtool support

* Also:
  - Add libtool-related files into "make dist"
  - Update .gitignore

Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>

.gitignore

@@ -1,9 +1,16 @@
 *~
 *.o
+*.lo
+*.a
+*.so
+*.la
 .*.o.d
 .*.lo.d
 *.asciidoc
 *.html
+.deps
+.libs
+.dirstamp
 Makefile
 Makefile.in
 auxdir/
@@ -32,8 +39,8 @@ hdlcgen
 hdlcstress
 hdlctest
 hdlcverify
-libtonezone.a
+libtool
-libtonezone.so
+m4/
 makeopts
 patgen
 patlooptest

Makefile.am

@@ -24,4 +24,12 @@ docs config:
 
 DISTCLEANFILES	= makeopts config.log config.status .*.d
 
+MAINTAINERCLEANFILES	= \
+		m4/libtool.m4 \
+		m4/ltoptions.m4 \
+		m4/ltsugar.m4 \
+		m4/ltversion.m4 \
+		m4/lt~obsolete.m4 \
+		#
+
 .PHONY: docs config

build_tools/make_dist

@@ -30,10 +30,20 @@ extra_dist='
 	ppp/Makefile.in
 	Makefile.in
 	xpp/Makefile.in
+	xpp/oct612x/Makefile.in
+	auxdir/compile
+	auxdir/config.guess
+	auxdir/config.sub
+	auxdir/depcomp
 	auxdir/install-sh
+	auxdir/ltmain.sh
 	auxdir/missing
+	m4/libtool.m4
+	m4/ltoptions.m4
+	m4/ltsugar.m4
+	m4/ltversion.m4
+	m4/lt~obsolete.m4
 	'
-
 find $extra_dist | cpio -pudmv "$tmp_version_dir"
 tar czf "$output" -C "$tmp_work_dir" "$tarball_prefix"
 rm -rf "$tmp_work_dir"

configure.ac

@@ -55,8 +55,8 @@ AM_PROG_CC_C_O
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
-AC_PROG_RANLIB
 AC_PROG_AWK
+AC_PROG_LIBTOOL
 AST_CHECK_GNU_MAKE
 
 test_obj=conftest.o