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config.mak
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#
# Copyright 2017 by Kvaser AB, Molndal, Sweden
# http://www.kvaser.com
#
# This software is dual licensed under the following two licenses:
# BSD-new and GPLv2. You may use either one. See the included
# COPYING file for details.
#
# License: BSD-new
# ==============================================================================
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the <organization> nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
#
#
# License: GPLv2
# ==============================================================================
# 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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
#
# IMPORTANT NOTICE:
# ==============================================================================
# This source code is made available for free, as an open license, by Kvaser AB,
# for use with its applications. Kvaser AB does not accept any liability
# whatsoever for any third party patent or other immaterial property rights
# violations that may result from any usage of this source code, regardless of
# the combination of source code and various applications that it can be used
# in, or with.
#
# -----------------------------------------------------------------------------
#
DEPMOD=`which depmod`
UDEVCTRL=`which udevcontrol`
UDEVADM=`which udevadm`
GCC_MAJ_VERSION_GTEQ_4 := $(shell expr `gcc -dumpversion | cut -f1 -d.` \>= 4)
GCC_MAJ_VERSION_GTEQ_5 := $(shell expr `gcc -dumpversion | cut -f1 -d.` \>= 5)
GCC_MIN_VERSION_GTEQ_9 := $(shell expr `gcc -dumpversion | cut -f2 -d.` \>= 9)
# alter lines below to change default debug level
ifndef KV_VCANOSIF_DEBUG_LEVEL
export KV_VCANOSIF_DEBUG_LEVEL = 1
endif
ifndef KV_PCICAN_DEBUG_LEVEL
export KV_PCICAN_DEBUG_LEVEL = 1
endif
ifndef KV_USBCAN_DEBUG_LEVEL
export KV_USBCAN_DEBUG_LEVEL = 1
endif
ifndef KV_PCICAN2_DEBUG_LEVEL
export KV_PCICAN2_DEBUG_LEVEL = 1
endif
ifndef KV_LEAF_DEBUG_LEVEL
export KV_LEAF_DEBUG_LEVEL = 1
endif
ifndef KV_MHYDRA_DEBUG_LEVEL
export KV_MHYDRA_DEBUG_LEVEL = 1
endif
ifndef KV_VIRTUAL_DEBUG_LEVEL
export KV_VIRTUAL_DEBUG_LEVEL = 1
endif
ifndef KV_PCIEFD_DEBUG_LEVEL
export KV_PCIEFD_DEBUG_LEVEL = 1
endif
#---------------------------------------------------------------------------
# Specific debug flags
KV_PCICAN_ON += -DPCICAN_DEBUG=$(KV_PCICAN_DEBUG_LEVEL)
KV_USBCAN_ON += -DUSBCAN_DEBUG=$(KV_USBCAN_DEBUG_LEVEL)
KV_PCICAN2_ON += -DPCICAN2_DEBUG=$(KV_PCICAN2_DEBUG_LEVEL)
KV_LEAF_ON += -DLEAF_DEBUG=$(KV_LEAF_DEBUG_LEVEL)
KV_MHYDRA_ON += -DMHYDRA_DEBUG=$(KV_MHYDRA_DEBUG_LEVEL)
KV_VIRTUAL_ON += -DVIRTUAL_DEBUG=$(KV_VIRTUAL_DEBUG_LEVEL)
KV_PCIEFD_ON += -DPCIEFD_DEBUG=$(KV_PCIEFD_DEBUG_LEVEL)
KV_VCANOSIF_ON += -DVCANOSIF_DEBUG=$(KV_VCANOSIF_DEBUG_LEVEL)
KV_MAGISYNC_ON += -DMAGISYNC_DEBUG=1
KV_DEBUGFLAGS = -D_DEBUG=1 -DDEBUG=1 -g $(KV_PCICAN_ON) $(KV_USBCAN_ON) $(KV_PCICAN2_ON) $(KV_LEAF_ON) $(KV_MHYDRA_ON) $(KV_VIRTUAL_ON) $(KV_PCIEFD_ON) $(KV_VCANOSIF_ON) $(KV_MAGISYNC_ON)
KV_NDEBUGFLAGS = -D_DEBUG=0 -DDEBUG=0
#----------------------------------------
# Select kernel source folder
KDIR ?= /lib/modules/`uname -r`/build
KV_KERNEL_SRC_DIR := $(KDIR)
#---------------------------------------------------------------------------
# export these flags to compilation
KV_XTRA_COMMON_FLAGS = -DLINUX=1 $(foreach INC,$(INCLUDES),-I$(INC)) -Wall
# GCC 4.9 is the first version with Wdate-time
ifeq ($(GCC_MAJ_VERSION_GTEQ_5),1)
KV_XTRA_COMMON_FLAGS += -Wno-date-time
else
ifeq ($(GCC_MAJ_VERSION_GTEQ_4),1)
ifeq ($(GCC_MIN_VERSION_GTEQ_9),1)
KV_XTRA_COMMON_FLAGS += -Wno-date-time
endif # GCC_MIN >= 9
endif # GCC_MAJ >= 4
endif # GCC_MAJ >= 5
ifeq ($(KV_PCIEFD_DMA_32BIT),1)
KV_XTRA_COMMON_FLAGS += -DKV_PCIEFD_DMA_32BIT=1
endif # KV_PCIEFD_DMA_32BIT
export KV_XTRA_CFLAGS = $(KV_XTRA_COMMON_FLAGS) $(KV_NDEBUGFLAGS) -DWIN32=0
export KV_XTRA_CFLAGS_DEBUG = $(KV_XTRA_COMMON_FLAGS) $(KV_DEBUGFLAGS) -DWIN32=0
# obj files
OBJS := $(patsubst %.c,%.o,$(SRCS))
ifeq ($(KV_DEBUG_ON),1)
export EXTRA_CFLAGS=$(KV_XTRA_CFLAGS_DEBUG)
IS_DEBUG=Debug: $(KV_DEBUGFLAGS)
else
export EXTRA_CFLAGS=$(KV_XTRA_CFLAGS)
endif
#------------------------------------------------------
obj-m := $(KV_MODULE_NAME).o
$(KV_MODULE_NAME)-objs := $(OBJS)
KBUILD_EXTRA_SYMBOLS = $(KBUILD_EXTMOD)/../common/Module.symvers
CHECK_LOGFILE = checklog.txt
.PHONY: kv_module install clean check
kv_module:
@echo --------------------------------------------------------------------
@echo "building $(KV_MODULE_NAME) $(IS_DEBUG)"
@echo "Kernel src:" $(KV_KERNEL_SRC_DIR)
$(MAKE) -C $(KV_KERNEL_SRC_DIR) M=$(PWD) modules
@echo --------------------------------------------------------------------
install:
@echo --------------------------------------------------------------------
@echo "You need to manually install by running 'sudo ./installscript.sh'"
@echo --------------------------------------------------------------------
check:
# Install cppcheck with 'sudo apt-get install cppcheck'
@echo --------------------------------------------------------------------
ifeq ($(CHECK_SUPPRESS),)
cppcheck -I ../include/ -I ../../tmp -I /usr/include -I /usr/include/linux --enable=all --suppress=toomanyconfigs . 2> $(CHECK_LOGFILE)
else
cppcheck -I ../include/ -I ../../tmp -I /usr/include -I /usr/include/linux --enable=all --suppressions-list=$(CHECK_SUPPRESS) --suppress=toomanyconfigs . 2> $(CHECK_LOGFILE)
endif
@cat $(CHECK_LOGFILE)
@echo --------------------------------------------------------------------
clean:
@echo --------------------------------------------------------------------
@echo "Cleaning $(KV_MODULE_NAME)" $(IS_DEBUG)
rm -f $(foreach suffix, o mod.o ko mod.c, $(KV_MODULE_NAME).$(suffix)) \
$(foreach suffix, o.cmd mod.o.cmd ko.cmd, .$(KV_MODULE_NAME).$(suffix)) \
modules.order Module.symvers new_modules.conf .cache.mk \
$(SRCS:%.c=%.o) \
$(join $(dir $(SRCS)),$(addprefix .,$(notdir $(patsubst %.c,%.o.cmd,$(SRCS))))) \
$(join $(dir $(SRCS)),$(addprefix .,$(notdir $(patsubst %.c,%.o.d,$(SRCS)))))
rm -rf .tmp_versions
@echo --------------------------------------------------------------------