#!/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
host=${3:-$cpu-$sys}
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"

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

echo_n "Looking for access methods..."

case $sys in
	linux*)
		case $rel in
			2.[1-9]*|[3-9]*)	echo_n " sysfs proc"
						echo >>$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"'
						ok=1
						;;
		esac
		case $cpu in
				i386)		echo_n " i386-ports"
						echo >>$c '#define PCI_HAVE_PM_INTEL_CONF'
						ok=1
						;;
				alpha|ia64|sparc|sparc64|ppc|ppc64|x86_64)
						echo >>$c '#define PCI_HAVE_64BIT_ADDRESS'
						;;
		esac
		;;
	sunos)
		case $cpu in
				i386)		echo_n " i386-ports"
						echo >>$c "#define PCI_HAVE_PM_INTEL_CONF"
						ok=1
						;;
				*)
						echo " The PCI library is does not support Solaris for this architecture: $cpu"
						exit 1
						;;
		esac
		;;
		
	freebsd)
		echo_n " fbsd-device"
		echo >>$c '#define PCI_HAVE_PM_FBSD_DEVICE'
		echo >>$c '#define PCI_PATH_FBSD_DEVICE "/dev/pci"'
		ok=1
		;;
	aix)
		echo_n " aix-device"
		echo >>$c '#define PCI_HAVE_PM_AIX_DEVICE'
		ok=1
		;;
	netbsd)
		echo_n " nbsd-libpci"
		echo >>$c '#define PCI_HAVE_PM_NBSD_LIBPCI'
		echo >>$c '#define PCI_PATH_NBSD_DEVICE "/dev/pci0"'
		ok=1
		;;
    	gnu)
		echo_n " i386-ports"
		echo >>$c '#define PCI_HAVE_PM_INTEL_CONF'
		ok=1
		;;
        *)
		echo " Unfortunately, your OS is not supported by the PCI Library"
		exit 1
		;;
esac

echo >>$c '#define PCI_HAVE_PM_DUMP'
echo " dump"
if [ -z "$ok" ] ; then
	echo "WARNING: No real configuration access method is available."
fi
echo >>$c "#define PCI_PATH_IDS \"$idsdir/pci.ids\""
echo >>$c "#define PCILIB_VERSION \"$version\""
sed '/^#define [^ ]*$/!d;s/^#define \(.*\)/\1=1/' <$c >config.mk