# ---------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
# 
# http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ---------------------------------------------------------------------------

# Create distribution build files

#VERBOSE:=--verbose
BUILD_DIR ?= .

all: $(BUILD_DIR)/configure $(BUILD_DIR)/Makefile.in

distclean:
	rm -f Makefile.in aclocal.m4 config.guess config.sub configure
	rm -f depcomp install-sh config.guess config.sub ltmain.sh missing spc-config.h.in
	rm -rf autom4te.cache

$(BUILD_DIR)/Makefile.in: $(wildcard Makefile.am*) $(BUILD_DIR)/aclocal.m4 $(BUILD_DIR)/ltmain.sh
	cd $(BUILD_DIR) && automake --add-missing
	cd $(BUILD_DIR) && sed -i 'N;N;N;s|\$$(top_srcdir)/configure:.*\n.*\n.*\n.*$$||' Makefile.in

$(BUILD_DIR)/configure: $(BUILD_DIR)/configure.in $(BUILD_DIR)/aclocal.m4 
	cd $(BUILD_DIR) && autoconf $(VERBOSE)

$(BUILD_DIR)/aclocal.m4: $(BUILD_DIR)/configure.in $(BUILD_DIR)/ltmain.sh
	cd $(BUILD_DIR) && aclocal $(VERBOSE)

$(BUILD_DIR)/ltmain.sh:
	cd $(BUILD_DIR) && libtoolize --automake
	cd $(BUILD_DIR) && touch AUTHORS NEWS README ChangeLog