Really add freeze.mk.

lib/freeze.mk

@@ -0,0 +1,83 @@
+## Freeze M4 files.
+
+## Copyright 2002 Free Software Foundation, Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2, or (at your option)
+## any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+## 02111-1307, USA.
+
+SUFFIXES = .m4 .m4f
+
+AUTOM4TE = $(top_builddir)/tests/autom4te
+$(AUTOM4TE):
+	cd $(top_builddir)/tests && $(MAKE) $(AM_MAKEFLAGS) autom4te
+
+AUTOM4TE_CFG = $(top_builddir)/lib/autom4te.cfg
+$(AUTOM4TE_CFG):
+	cd $(top_builddir)/lib && $(MAKE) $(AM_MAKEFLAGS) autom4te.cfg
+
+# When processing the file with diversion disabled, there must be no
+# output but comments and empty lines.
+# If freezing produces output, something went wrong: a bad `divert',
+# or an improper paren etc.
+# It may happen that the output does not end with a end of line, hence
+# force an end of line when reporting errors.
+.m4.m4f:
+	$(AUTOM4TE)				\
+		--language=$*			\
+		--freeze			\
+		--include=$(srcdir)/..		\
+		--include=..			\
+		--output=$@
+
+# Factor the dependencies between all the frozen files.
+# Some day we should explain to Automake how to use autom4te to compute
+# the dependencies...
+src_libdir   = $(top_srcdir)/lib
+build_libdir = $(top_builddir)/lib
+
+m4f_dependencies = $(AUTOM4TE) $(AUTOM4TE_CFG)
+
+m4sugar_m4f_dependencies =			\
+	$(m4f_dependencies)			\
+	$(src_libdir)/m4sugar/m4sugar.m4	\
+	$(build_libdir)/m4sugar/version.m4
+
+m4sh_m4f_dependencies =				\
+	$(m4sugar_m4f_dependencies)		\
+	$(src_libdir)/m4sugar/m4sh.m4
+
+autotest_m4f_dependencies = 			\
+	$(m4sh_m4f_dependencies)		\
+	$(src_libdir)/autotest/autotest.m4	\
+	$(src_libdir)/autotest/general.m4
+
+autoconf_m4f_dependencies =			\
+	$(m4sh_m4f_dependencies)		\
+	$(src_libdir)/autoconf/general.m4	\
+	$(src_libdir)/autoconf/autoheader.m4	\
+	$(src_libdir)/autoconf/autoupdate.m4	\
+	$(src_libdir)/autoconf/autotest.m4	\
+	$(src_libdir)/autoconf/status.m4	\
+	$(src_libdir)/autoconf/oldnames.m4	\
+	$(src_libdir)/autoconf/specific.m4	\
+	$(src_libdir)/autoconf/lang.m4		\
+	$(src_libdir)/autoconf/c.m4		\
+	$(src_libdir)/autoconf/fortran.m4	\
+	$(src_libdir)/autoconf/functions.m4	\
+	$(src_libdir)/autoconf/headers.m4	\
+	$(src_libdir)/autoconf/types.m4		\
+	$(src_libdir)/autoconf/libs.m4		\
+	$(src_libdir)/autoconf/programs.m4	\
+	$(src_libdir)/autoconf/autoconf.m4