#
# Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer,
#    without modification.
# 2. Redistributions in binary form must reproduce at minimum a disclaimer
#    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
#    redistribution must be conditioned upon including a substantially
#    similar Disclaimer requirement for further binary redistribution.
# 3. Neither the names of the above-listed copyright holders nor the names
#    of any contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# Alternatively, this software may be distributed under the terms of the
# GNU General Public License ("GPL") version 2 as published by the Free
# Software Foundation.
#
# NO WARRANTY
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGES.
#
# $Id: //depot/sw/linuxsrc/src/802_11/madwifi/madwifi/Makefile $
#

#
# Makefile for the HAL-based Atheros driver.
#
DEPTH=	.

include Makefile.inc

# NB: the order is important here
DIRS_MODULES=	${ATH_HAL} ${WLAN} ${ATH_RATE} ${ATH}

# export for make-release.bash
export ATH_HAL

all: modules tools

modules: configcheck svnversion.h
	mkdir -p ${SYMBOLSDIR}
	for i in ${DIRS_MODULES}; do \
		$(MAKE) -C $$i || exit 1; \
	done

.PHONY: svnversion.h
svnversion.h:
	if [ -d .svn ]; then \
		ver=`svnversion -nc . | sed -e 's/^[^:]*://;s/[A-Za-z]//'`; \
		echo "#define SVNVERSION \"svn r$$ver\"" > $@; \
	elif [ -s SNAPSHOT ]; then \
		ver=`sed -e '/^Revision: */!d;s///;q' SNAPSHOT`; \
		echo "#define SVNVERSION \"svn r$$ver\"" > $@; \
	fi; \

# conflicts with the 'tools' subdirectory
.PHONY: tools
tools:
	$(MAKE) -C ${TOOLS} all || exit 1

install: install-modules install-tools

install-modules:
	@# check if there are modules left from an old installation
	@# might cause make to abort the build
	sh scripts/find-madwifi-modules.sh $(DESTDIR)/lib/modules/$(KERNELRELEASE)

	for i in ${DIRS_MODULES}; do \
		$(MAKE) -C $$i install || exit 1; \
	done
ifeq ($(DESTDIR),)
	(export MODULEPATH=${MODULEPATH}; /sbin/depmod -ae)
endif

install-tools:
	$(MAKE) -C ${TOOLS} install || exit 1

uninstall:
	sh scripts/find-madwifi-modules.sh $(DESTDIR)/lib/modules/$(KERNELRELEASE)
	$(MAKE) -C ${TOOLS} uninstall

clean:
	for i in ${DIRS_MODULES}; do \
		$(MAKE) -C $$i clean; \
	done
	-$(MAKE) -C ${TOOLS} clean
	rm -rf ${SYMBOLSDIR}
	rm -f svnversion.h

info:
	@echo "The following settings will be used for compilation:"
	@echo "TARGET       : $(TARGET)"
	@echo "OS           : $(OS)"
	@echo "ARCH         : $(ARCH)"
	@echo "BUS          : $(BUS)"
	@if [ ! -z "$(TOOLPATH)" ]; then \
	    @echo "TOOLPATH     : $(TOOLPATH)"; \
	fi	
	@echo "KERNELRELEASE: $(KERNELRELEASE)"
	@echo "KERNELPATH   : $(KERNELPATH)"
	@echo "KERNELCONF   : $(KERNELCONF)"
	@echo "MODULEPATH   : $(MODULEPATH)"
	@echo "KMODSUF      : $(KMODSUF)"
	@if [ ! -z "$(DESTDIR)" ]; then \
	    echo "DESTDIR      : $(DESTDIR)"; \
	    echo "SYSTEMMAP    : $(SYSTEMMAP)"; \
	fi

sanitycheck:
	@echo -n "Checking requirements... "
	
	@# check if specified rate control is available
	@if [ ! -d $(ATH_RATE) ]; then \
	    echo "FAILED"; \
	    echo "Selected rate control $(ATH_RATE) not available."; \
	    exit 1; \
	fi
	
	@echo "ok."

.PHONY: release
release:
	sh scripts/make-release.bash

# new targets should be inserted ABOVE this line in order to avoid
# problems with the included kernel configuration file below.
include $(KERNELCONF)

configcheck: sanitycheck
	@echo -n "Checking kernel configuration... "
	
	@# check version of kernel
	@echo $(KERNELRELEASE) | grep -q -i '^[2-9]\.[4-9]\.' || { \
	    echo "FAILED"; \
	    echo "Only kernel versions 2.4.x and above are supported."; \
	    echo "You have $(KERNELRELEASE)."; \
	    exit 1; \
	}
	
	@# check kernel configuration
	@if [ -z "$(CONFIG_SYSCTL)" ]; then \
	    echo "FAILED"; \
	    echo "Please enable sysctl support."; \
	    exit 1; \
	fi
	
	@# check wireless extensions support is enabled
	@if [ -z "$(CONFIG_NET_RADIO)" ]; then \
	    echo "FAILED"; \
	    echo "Please enable wireless extensions."; \
	    exit 1; \
	fi
	
	@# check crypto support is enabled
	@if [ -z "$(CONFIG_CRYPTO)" ]; then \
	    echo "FAILED"; \
	    echo "Please enable crypto API."; \
	    exit 1; \
	fi
	
	@echo "ok."