freebsd-ports/emulators/linux_base-f7/pkg-install

#!/bin/sh
# an installation script for linux_base

case "$2" in
PRE-INSTALL)
	if [ "`/sbin/sysctl -n compat.linux.osrelease`"x = "x" ]; then
		echo 'linuxulator is not (kld)loaded, exiting'
		exit 1
	fi
	if [ "`/sbin/sysctl -n compat.linux.osrelease`" = "2.4.2" ]; then
		echo 'compat.linux.osrelease: 2.4.2 is not supported, exiting'
		exit 1
	fi
	if [ -z "`kldstat -v | grep -E 'linux(aout|elf)'`" ]; then
		echo 'Linux mode is not enabled.'
		echo 'Loading linux kernel module now...'
		if ! kldload linux; then
			echo 'The linux kernel module could not be loaded.'
			echo 'Please enable linux mode manually and retry.'
			exit 1
		fi
	fi
	;;
POST-INSTALL)
	if [ -z "`grep ^linproc /etc/fstab`" ]; then
		echo ''
		echo '+++ Some programs may need linprocfs, please add it to /etc/fstab! +++'
	else
		if [ -z "`mount | grep -w ^linprocfs`" ]; then
			echo ''
			echo '+++ Please mount linprocfs manually! +++'
		fi
	fi
	if [ ! -f ${PKG_PREFIX}/etc/nsswitch.conf ]; then
		cp ${PKG_PREFIX}/etc/nsswitch.conf.dist \
			${PKG_PREFIX}/etc/nsswitch.conf
	fi
	if [ ! -f ${PKG_PREFIX}/etc/krb5.conf ]; then
		
		if [ -f /etc/krb5.conf ]; then
			ln -s /etc/krb5.conf ${PKG_PREFIX}/etc
		else
			cp ${PKG_PREFIX}/etc/krb5.conf.dist \
				${PKG_PREFIX}/etc/krb5.conf
		fi

	fi
	if [ ! -f ${PKG_PREFIX}/etc/yp.conf ]; then
		cp ${PKG_PREFIX}/etc/yp.conf.sample ${PKG_PREFIX}/etc/yp.conf
	fi
#
# This is needed when updating to ensure that already installed libraries
# are recorded in ${PKG_PREFIX}/etc/ld.so.cache
#
	echo ''
	echo 'Running linux ldconfig...'
	${PKG_PREFIX}/sbin/ldconfig -r ${PKG_PREFIX}
	;;
esac

exit 0