mirror of https://github.com/proski/madwifi
214 lines
6.8 KiB
Makefile
214 lines
6.8 KiB
Makefile
#
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# Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer,
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# without modification.
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# 2. Redistributions in binary form must reproduce at minimum a disclaimer
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# similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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# redistribution must be conditioned upon including a substantially
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# similar Disclaimer requirement for further binary redistribution.
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# 3. Neither the names of the above-listed copyright holders nor the names
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# of any contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# Alternatively, this software may be distributed under the terms of the
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# GNU General Public License ("GPL") version 2 as published by the Free
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# Software Foundation.
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#
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# NO WARRANTY
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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# THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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# THE POSSIBILITY OF SUCH DAMAGES.
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#
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# $Id: //depot/sw/linuxsrc/src/802_11/madwifi/madwifi/Makefile.inc#11 $
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#
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# other locales sometimes cause trouble
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export LC_ALL = POSIX
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# BUS defines the bus type to which the wireless devices is attached.
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# Currently, the valid BUS types are PCI and AHB. If BUS is not
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# defined, then, we assume the bus type is PCI
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ifndef BUS
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BUS= PCI
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endif
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# DESTDIR is used as path prefix during installation.
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DESTDIR ?=
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# KERNELPATH is the path to the Linux kernel build tree. Unless a
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# separate build directory was used for the kernel build, it's the same
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# as the kernel source tree. KERNELPATH is used to access the kernel
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# configuration, include files and the build system. To build for
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# another kernel, set KERNELPATH manually, for example with:
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# make KERNELPATH=/path/to/kernel/source
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# The default KERNELPATH points to the directory where the currently
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# running kernel was compiled. Note that the configuration and the
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# version of the kernel tree might have changed since then.
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ifeq ($(wildcard $(KERNELPATH)),)
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KERNELPATH = /lib/modules/$(shell uname -r)/build
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# sanity check: does KERNELPATH exist?
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ifeq ($(shell cd $(KERNELPATH) && pwd),)
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$(error $(KERNELPATH) is missing, please set KERNELPATH)
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endif
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export KERNELPATH
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endif
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# KERNELRELEASE is the target kernel's version. It's always taken from
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# the kernel build tree. Kernel Makefile doesn't always know the exact
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# kernel version (especially for vendor stock kernels), so we get it
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# from <linux/version.h> instead. But simply grepping it from version.h
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# doesn't work, since some distributions have multiple UTS_RELEASE
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# in that file.
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# This trick has been inspired by the lm_sensors project.
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ifndef KERNELRELEASE
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KERNELRELEASE := $(shell $(CC) -I $(KERNELPATH)/include -E $(TOP)/kernelversion.c | grep uts_release | cut -f2 -d'"')
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ifeq (,$(KERNELRELEASE))
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$(error Cannot detect kernel version - please check compiler and KERNELPATH)
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endif
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endif
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# KERNELCONF is the name of the file that holds the configuration
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# of the target kernel.
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KERNELCONF ?= $(KERNELPATH)/.config
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# sanity check: does KERNELCONF exist?
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ifeq ($(wildcard $(KERNELCONF)),)
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$(error KERNELCONF: $(KERNELCONF) does not exist.)
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endif
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include $(KERNELCONF)
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# Determine architecture of the kernel.
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include $(TOP)/scripts/get_arch.mk
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export ARCH
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# Determine TARGET
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include $(TOP)/ath_hal/ah_target.inc
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export TARGET
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COPTS += -DTARGET='"$(TARGET)"'
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# KMODPATH nominates the directory where the modules will be
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# installed to
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KMODPATH := /lib/modules/$(KERNELRELEASE)/net
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# Recognize 2.4.x kernels to support the old build system
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ifeq ($(filter-out 2.4%,$(KERNELRELEASE)),)
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LINUX24 = y
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endif
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ifndef LINUX24
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KMODSUF := ko
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else
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export-objs = $(foreach m, $(obj-m), $($(m:.o=-objs)))
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list-multi = $(obj-m)
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KMODSUF := o
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endif
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NM= nm
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#
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# Path to the HAL source code.
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#
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ifeq ($(HAL),)
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HAL= $(TOP)/hal
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endif
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#
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# Path to HAL/OS interface code
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#
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ATH_HAL= $(TOP)/ath_hal
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#
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# Path to the 802.11 include files.
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#
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WLAN= $(TOP)/net80211
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#
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# Path to the Atheros device driver.
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#
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ATH= $(TOP)/ath
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#
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# Path to the rate control algorithms.
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#
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ATH_RATE= $(TOP)/ath_rate
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#
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# Path to the userspace utilities.
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#
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TOOLS= $(TOP)/tools
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WARNINGS = -Werror
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COPTS+= $(WARNINGS)
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INCS= -include $(TOP)/include/compat.h -I$(TOP)/include
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# TARGET defines the target platform architecture. It must match one of
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# the target platforms supported by the HAL. The default target is the
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# host machine architecture. You can override TARGET on the make command
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# line or in the environment. See hal/linux/*.inc for the list of
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# supported targets.
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ifeq (,$(wildcard $(HAL)/public/$(TARGET).inc))
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TARGETS=$(basename $(notdir $(wildcard $(HAL)/public/*.inc)))
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$(error TARGET $(TARGET) is invalid, valid targets are: $(TARGETS))
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endif
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# HAL_DEBUG enables HAL debugging code
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# At the moment this consists of wrappers around HAL functions so that
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# stack traces are more decipherable.
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ifdef HAL_DEBUG
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COPTS+= -fno-inline
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endif
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# Don't let HAL mess with the toolchain - save toolchain variables
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save_CC := $(CC)
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save_LD := $(LD)
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save_STRIP := $(STRIP)
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save_OBJCOPY := $(OBJCOPY)
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save_NM := $(NM)
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include $(HAL)/public/$(TARGET).inc
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# Restore toolchain variables
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CC := $(save_CC)
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LD := $(save_LD)
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STRIP := $(save_STRIP)
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OBJCOPY := $(save_OBJCOPY)
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NM := $(save_NM)
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include $(TOP)/BuildCaps.inc
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# Ensure correct endianess
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LDFLAGS += $(LDOPTS)
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# Filter out compiler options that are not supported by all compilers
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# and that are not needed to ensure compatible architecture and calling
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# conventions.
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COPTS := $(filter-out -mshort-load-bytes -mapcs-32,$(COPTS))
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# The following variables will affect developers only, and are used in the
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# make-release.bash script.
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#
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# RELEASE_TMP is used as a temporary store for the files needed to create the
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# release tarball. Packaging will take place in TMPDIR/madwifi-release.
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# Defaults to /tmp.
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RELEASE_TMP=/tmp
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# RELEASE_STORE is the (local) directory where the release tarball should be
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# stored in. Defaults to the parent directory of the working copy used to
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# create the release.
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RELEASE_STORE=..
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# expose these settings to make-release.bash
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export RELEASE_TMP RELEASE_STORE
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