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#!/bin/sh

echo_n() {
	if [ -n "$BASH" ]
	then
		echo -n "$*"
	else
		echo "$*\c"
	fi
}

echo_n "Configuring libpci for your system..."
idsdir=${1:-/usr/share}
version=${2:-0.0}
sys=`uname -s`
rel=`uname -r`
if [ "$sys" = "AIX" -a -x /usr/bin/oslevel -a -x /usr/sbin/lsattr ]
then
	rel=`/usr/bin/oslevel`
	proc=`/usr/sbin/lsdev -C -c processor -S available -F name | head -1`
	cpu=`/usr/sbin/lsattr -F value -l $proc -a type | sed 's/_.*//'`
else
	cpu=`uname -m | sed 's/^i.86$/i386/;s/^sun4u$/sparc64/;s/^i86pc$/i386/'`
fi
if [ "$sys" = "GNU/kFreeBSD" -o "$sys" = "DragonFly" ]
then
	sys=freebsd
fi
host=${3:-$cpu-$sys}
# CAVEAT: tr on Solaris is a bit weird and the extra [] is otherwise harmless.
host=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)$/\1--\2/' | tr '[A-Z]' '[a-z]'`
cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
sys=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
rel=${4:-$rel}
echo " $host $rel"
zlib=$5

c=config.h
m=config.mk
echo >$c "#define PCI_ARCH_`echo $cpu | tr '[a-z]' '[A-Z]'`"
echo >>$c "#define PCI_OS_`echo $sys | tr '[a-z]' '[A-Z]'`"
rm -f $m

echo_n "Looking for access methods..."

case $sys in
	linux*)
		echo_n " sysfs proc"
		echo >>$c '#define PCI_HAVE_PM_LINUX_SYSFS'
		echo >>$c '#define PCI_HAVE_PM_LINUX_PROC'
		echo >>$c '#define PCI_HAVE_LINUX_BYTEORDER_H'
		echo >>$c '#define PCI_PATH_PROC_BUS_PCI "/proc/bus/pci"'
		echo >>$c '#define PCI_PATH_SYS_BUS_PCI "/sys/bus/pci"'
		case $cpu in
				i386)		echo_n " i386-ports"
						echo >>$c '#define PCI_HAVE_PM_INTEL_CONF'
						;;
		esac
		echo >>$c '#define PCI_HAVE_64BIT_ADDRESS'
		;;
	sunos)
		case $cpu in
				i386)		echo_n " i386-ports"
						echo >>$c "#define PCI_HAVE_PM_INTEL_CONF"
						;;
				*)
						echo " The PCI library is does not support Solaris for this architecture: $cpu"
						exit 1
						;;
		esac
		echo >>$c '#define PCI_HAVE_STDINT_H'
		;;
	freebsd)
		echo_n " fbsd-device"
		echo >>$c '#define PCI_HAVE_PM_FBSD_DEVICE'
		echo >>$c '#define PCI_PATH_FBSD_DEVICE "/dev/pci"'
		;;
        openbsd)
	        echo_n " obsd-device"
		echo >>$c '#define PCI_HAVE_PM_OBSD_DEVICE'
		echo >>$c '#define PCI_PATH_OBSD_DEVICE "/dev/pci"'
		;;
	aix)
		echo_n " aix-device"
		echo >>$c '#define PCI_HAVE_PM_AIX_DEVICE'
		echo >>$m 'CFLAGS=-g'
		echo >>$m 'INSTALL=installbsd'
		echo >>$m 'DIRINSTALL=mkdir -p'
		;;
	netbsd)
		echo_n " nbsd-libpci"
		echo >>$c '#define PCI_HAVE_PM_NBSD_LIBPCI'
		echo >>$c '#define PCI_PATH_NBSD_DEVICE "/dev/pci0"'
		echo >>$m 'PCILIB=lib/libpciutils.a'
		echo >>$m 'LDLIBS+=-lpci'
		;;
    	gnu)
		echo_n " i386-ports"
		echo >>$c '#define PCI_HAVE_PM_INTEL_CONF'
		;;
        *)
		echo " Unfortunately, your OS is not supported by the PCI Library"
		exit 1
		;;
esac

echo >>$c '#define PCI_HAVE_PM_DUMP'
echo " dump"

echo_n "Checking for zlib support... "
if [ "$zlib" = yes -o "$zlib" = no ] ; then
	echo "$zlib (set manually)"
else
	if [ -f /usr/include/zlib.h ] ; then
		zlib=yes
	else
		zlib=no
	fi
	echo "$zlib (auto-detected)"
fi
if [ "$zlib" = yes ] ; then
	echo >>$c '#define PCI_COMPRESSED_IDS'
	echo >>$c '#define PCI_IDS "pci.ids.gz"'
	echo >>$m 'LIBZ=-lz'
	echo >>$m 'LDLIBS+=$(LIBZ)'
else
	echo >>$c '#define PCI_IDS "pci.ids"'
fi
echo >>$c "#define PCI_PATH_IDS_DIR \"$idsdir\""
echo >>$c "#define PCI_ID_DOMAIN \"pci-id.ucw.cz\""

echo >>$c "#define PCILIB_VERSION \"$version\""
sed '/"/{s/^#define \([^ ]*\) "\(.*\)"$/\1=\2/;p;d;};s/^#define \(.*\)/\1=1/' <$c >>$m