mirror of
https://github.com/proski/madwifi
synced 2024-11-21 22:11:32 +03:00
311e88720d
It's impossible to eliminate all warnings with all combinations of kernels and compilers. Users are punished for using untested combinations that should be OK. Other projects don't use -Werror and nothing bad happens. Future compilers would surely introduce new warnings. MadWifi doesn't need to break because of that. There is no way to make -Werror apply to MadWifi code but not to the kernel headers. Linux kernel doesn't use -Werror, why should MadWifi? Using -Werror creates a false sense of security. It's easy to assume that the code is warning-free at least on the developers' systems. However, broken code was committed in the past that would not compile at all. Code quality means more that absence of warnings. It cannot be ensured by -Werror. git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@4172 0192ed92-7a03-0410-a25b-9323aeb14dbd
210 lines
6.4 KiB
Makefile
210 lines
6.4 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 $(KERNELCONF)
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# KMODPATH nominates the directory where the modules will be
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# installed to
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KMODPATH := /lib/modules/$(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)/ath_hal
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endif
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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 = -Wall
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COPTS+= $(WARNINGS)
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INCS= -include $(TOP)/include/compat.h -I$(TOP)/include
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ifndef ATH_DEBUG_SPINLOCKS
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export ATH_DEBUG_SPINLOCKS=0
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endif
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ifndef IEEE80211_DEBUG_REFCNT
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export IEEE80211_DEBUG_REFCNT=0
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endif
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ifndef HAL_DEBUG
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export HAL_DEBUG=0
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endif
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ifndef ATH_DEBUG
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export ATH_DEBUG=1
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endif
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ifeq ($(strip $(ATH_DEBUG_SPINLOCKS)),1)
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COPTS+= -DATH_DEBUG_SPINLOCKS=1
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endif
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ifeq ($(strip $(IEEE80211_DEBUG_REFCNT)),1)
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COPTS+= -DIEEE80211_DEBUG_REFCNT=1
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endif
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# HAL_DEBUG enables HAL debugging code
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# At the moment this consists of wrappers around HAL functions so that
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# stack traces are more decipherable.
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ifeq ($(strip $(HAL_DEBUG)),1)
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COPTS+= -fno-inline -DAH_DEBUG=1
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endif
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include $(TOP)/BuildCaps.inc
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ifeq ($(strip $(ATH_DEBUG)),1)
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EXTRA_CFLAGS += -DAR_DEBUG -DIEEE80211_DEBUG
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endif
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ifeq ($(strip $(ATH_DEBUG_SPINLOCKS)),1)
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EXTRA_CFLAGS += -DATH_DEBUG_SPINLOCKS
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endif
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ifeq ($(strip $(IEEE80211_DEBUG_REFCNT)),1)
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EXTRA_CFLAGS += -DIEEE80211_DEBUG_REFCNT
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endif
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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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