Import openresolv from vendor branch, actually.

Helped by:	jhb

1 files changed, 186 insertions, 0 deletions

diff --git a/contrib/openresolv/configure b/contrib/openresolv/configure
new file mode 100644
index 0000000..39bdddb
--- /dev/null
+++ b/contrib/openresolv/configure
@@ -0,0 +1,186 @@
+#!/bin/sh
+# Try and be like autotools configure, but without autotools
+
+# Ensure that we do not inherit these from env
+OS=
+BUILD=
+HOST=
+TARGET=
+RESTARTCMD=
+RCDIR=
+
+for x; do
+	opt=${x%%=*}
+	var=${x#*=}
+	case "$opt" in
+	--os|OS) OS=$var;;
+	--with-cc|CC) CC=$var;;
+	--debug) DEBUG=$var;;
+	--disable-debug) DEBUG=no;;
+	--enable-debug) DEBUG=yes;;
+	--prefix) prefix=$var;;
+	--sysconfdir) SYSCONFDIR=$var;;
+	--bindir|--sbindir) SBINDIR=$var;;
+	--libexecdir) LIBEXECDIR=$var;;
+	--statedir|--localstatedir) STATEDIR=$var;;
+	--dbdir) DBDIR=$var;;
+	--rundir) RUNDIR=$var;;
+	--mandir) MANDIR=$var;;
+	--with-ccopts|CFLAGS) CFLAGS=$var;;
+	CPPFLAGS) CPPFLAGS=$var;;
+	--build) BUILD=$var;;
+	--host) HOST=$var;;
+	--target) TARGET=$var;;
+	--libdir) LIBDIR=$var;;
+	--restartcmd) RESTARTCMD=$var;;
+	--includedir) eval INCLUDEDIR="$INCLUDEDIR${INCLUDEDIR:+ }$var";;
+	--datadir|--infodir) ;; # ignore autotools
+	--disable-maintainer-mode|--disable-dependency-tracking) ;;
+	--help) echo "See the README file for available options"; exit 0;;
+	*) echo "$0: WARNING: unknown option $opt" >&2;;
+	esac
+done
+
+: ${SED:=sed}
+
+: ${PREFIX:=$prefix}
+: ${SYSCONFDIR:=$PREFIX/etc}
+: ${SBINDIR:=$PREFIX/sbin}
+: ${LIBEXECDIR:=$PREFIX/libexec}
+: ${STATEDIR:=/var}
+: ${RUNDIR:=$STATEDIR/run}
+: ${MANDIR:=${PREFIX:-/usr}/share/man}
+
+eval SYSCONFDIR="$SYSCONFDIR"
+eval SBINDIR="$SBINDIR"
+eval LIBEXECDIR="$LIBEXECDIR/resolvconf"
+eval VARDIR="$RUNDIR/resolvconf"
+eval MANDIR="$MANDIR"
+
+CONFIG_MK=config.mk
+
+if [ -z "$BUILD" ]; then
+	BUILD=`uname -m`-`uname -s | tr '[:upper:]' '[:lower:]'`
+fi
+if [ -z "$HOST" ]; then
+	[ -z "$TARGET" ] && TARGET=$BUILD
+	HOST=$TARGET
+fi
+if [ -z "$TARGET" ]; then
+	[ -z "$HOST" ] && HOST=$BUILD
+	TARGET=$HOST
+fi
+
+# Debian and Slackware have linux in different places when dealing with
+# autoconf, so we deal with that here.
+if [ -z "$OS" ]; then
+	case "$TARGET" in
+	*-linux-*|linux-*|*-linux|linux) OS=linux;;
+	esac
+fi
+
+if [ -z "$OS" ]; then
+	# Derive OS from cpu-manufacturer-os-kernel
+	CPU=${TARGET%%-*}
+	REST=${TARGET#*-}
+	if [ "$CPU" != "$REST" ]; then
+		MANU=${REST%%-*}
+		REST=${REST#*-}
+		if [ "$MANU" != "$REST" ]; then
+			OS=${REST%%-*}
+			REST=${REST#*-}
+			if [ "$OS" != "$REST" ]; then
+				KERNEL=${REST%%-*}
+			else
+				# 3 tupple
+				KERNEL=$OS
+				OS=$MANU
+				MANU=
+			fi
+		else
+			# 2 tupple
+			OS=$MANU
+			MANU=
+		fi
+	fi
+fi
+
+echo "Configuring openresolv for ... $OS"
+rm -rf $CONFIG_MK
+echo "# $OS" >$CONFIG_MK
+
+for x in SYSCONFDIR SBINDIR LIBEXECDIR VARDIR MANDIR; do
+	eval v=\$$x
+	# Make files look nice for import
+	l=$((10 - ${#x}))
+	unset t
+	[ $l -gt 3 ] && t="	"
+	echo "$x=$t	$v" >>$CONFIG_MK
+done
+
+if [ -e /etc/arch-release -a -d /etc/rc.d ]; then
+	echo "Overriding service status check for Arch Linux"
+	RCDIR=/etc/rc.d
+	RESTARTCMD="[ -e /var/run/daemons/\1 ] \&\& /etc/rc.d/\1 restart"
+	echo "yes"
+fi
+
+if [ -z "$RESTARTCMD" ]; then
+	printf "Checking for OpenRC ... "
+	if [ -x /sbin/rc-service ]; then
+		RESTARTCMD="/sbin/rc-service -e \1 \&\& /sbin/rc-service \1 -- -Ds restart"
+		echo "yes"
+	else
+		echo "no"
+	fi
+fi
+if [ -z "$RESTARTCMD" ]; then
+	printf "Checking for invoke-rc.d ... "
+	if [ -x /usr/sbin/invoke-rc.d ]; then
+		RCDIR=/etc/init.d
+		RESTARTCMD="/usr/sbin/invoke-rc.d --quiet \1 status >/dev/null 2>\&1 \&\& /usr/sbin/invoke-rc.d \1 restart"
+		echo "yes"
+	else
+		echo "no"
+	fi
+fi
+if [ -z "$RESTARTCMD" ]; then
+	printf "Checking for service ... "
+	if [ -x /sbin/service ]; then
+		RCDIR=/etc/init.d
+		RESTARTCMD="/sbin/service \1 \&\& /sbin/service \1 restart"
+		echo "yes"
+	else
+		echo "no"
+	fi
+fi
+if [ -z "$RESTARTCMD" ]; then
+	for x in /etc/init.d/rc.d /etc/rc.d /etc/init.d; do
+		printf "Checking for $x ... "
+		if [ -d $x ]; then
+			RCDIR=$x
+			RESTARTCMD="$x/\1 status >/dev/null 2>\&1 \&\& $x/\1 restart"
+			echo "yes"
+			break
+		else
+			echo "no"
+		fi
+	done
+fi
+
+if [ -z "$RESTARTCMD" ]; then
+	echo "WARNING! No means of interacting with system services detected!"
+	exit 1
+fi
+
+echo "RCDIR=		$RCDIR" >>$CONFIG_MK
+# Work around bug in the dash shell as "echo 'foo \1'" does bad things
+printf "%s\n" "RESTARTCMD=	$RESTARTCMD" >>$CONFIG_MK
+
+echo
+echo "   SYSCONFDIR =		$SYSCONFDIR"
+echo "   SBINDIR =		$SBINDIR"
+echo "   LIBEXECDIR =		$LIBEXECDIR"
+echo "   VARDIR =		$RUNDIR"
+echo "   MANDIR =		$MANDIR"
+echo