contrib/openresolv/configure

   1 #!/bin/sh
   2 # Try and be like autotools configure, but without autotools
   3
   4 # Ensure that we do not inherit these from env
   5 OS=
   6 BUILD=
   7 HOST=
   8 TARGET=
   9 RESTARTCMD=
  10 RCDIR=
  11
  12 for x; do
  13         opt=${x%%=*}
  14         var=${x#*=}
  15         case "$opt" in
  16         --os|OS) OS=$var;;
  17         --with-cc|CC) CC=$var;;
  18         --debug) DEBUG=$var;;
  19         --disable-debug) DEBUG=no;;
  20         --enable-debug) DEBUG=yes;;
  21         --prefix) prefix=$var;;
  22         --sysconfdir) SYSCONFDIR=$var;;
  23         --bindir|--sbindir) SBINDIR=$var;;
  24         --libexecdir) LIBEXECDIR=$var;;
  25         --statedir|--localstatedir) STATEDIR=$var;;
  26         --dbdir) DBDIR=$var;;
  27         --rundir) RUNDIR=$var;;
  28         --mandir) MANDIR=$var;;
  29         --with-ccopts|CFLAGS) CFLAGS=$var;;
  30         CPPFLAGS) CPPFLAGS=$var;;
  31         --build) BUILD=$var;;
  32         --host) HOST=$var;;
  33         --target) TARGET=$var;;
  34         --libdir) LIBDIR=$var;;
  35         --restartcmd) RESTARTCMD=$var;;
  36         --includedir) eval INCLUDEDIR="$INCLUDEDIR${INCLUDEDIR:+ }$var";;
  37         --datadir|--infodir) ;; # ignore autotools
  38         --disable-maintainer-mode|--disable-dependency-tracking) ;;
  39         --help) echo "See the README file for available options"; exit 0;;
  40         *) echo "$0: WARNING: unknown option $opt" >&2;;
  41         esac
  42 done
  43
  44 : ${SED:=sed}
  45
  46 : ${PREFIX:=$prefix}
  47 : ${SYSCONFDIR:=$PREFIX/etc}
  48 : ${SBINDIR:=$PREFIX/sbin}
  49 : ${LIBEXECDIR:=$PREFIX/libexec}
  50 : ${STATEDIR:=/var}
  51 : ${RUNDIR:=$STATEDIR/run}
  52 : ${MANDIR:=${PREFIX:-/usr}/share/man}
  53
  54 eval SYSCONFDIR="$SYSCONFDIR"
  55 eval SBINDIR="$SBINDIR"
  56 eval LIBEXECDIR="$LIBEXECDIR/resolvconf"
  57 eval VARDIR="$RUNDIR/resolvconf"
  58 eval MANDIR="$MANDIR"
  59
  60 CONFIG_MK=config.mk
  61
  62 if [ -z "$BUILD" ]; then
  63         BUILD=`uname -m`-`uname -s | tr '[:upper:]' '[:lower:]'`
  64 fi
  65 if [ -z "$HOST" ]; then
  66         [ -z "$TARGET" ] && TARGET=$BUILD
  67         HOST=$TARGET
  68 fi
  69 if [ -z "$TARGET" ]; then
  70         [ -z "$HOST" ] && HOST=$BUILD
  71         TARGET=$HOST
  72 fi
  73
  74 # Debian and Slackware have linux in different places when dealing with
  75 # autoconf, so we deal with that here.
  76 if [ -z "$OS" ]; then
  77         case "$TARGET" in
  78         *-linux-*|linux-*|*-linux|linux) OS=linux;;
  79         esac
  80 fi
  81
  82 if [ -z "$OS" ]; then
  83         # Derive OS from cpu-manufacturer-os-kernel
  84         CPU=${TARGET%%-*}
  85         REST=${TARGET#*-}
  86         if [ "$CPU" != "$REST" ]; then
  87                 MANU=${REST%%-*}
  88                 REST=${REST#*-}
  89                 if [ "$MANU" != "$REST" ]; then
  90                         OS=${REST%%-*}
  91                         REST=${REST#*-}
  92                         if [ "$OS" != "$REST" ]; then
  93                                 KERNEL=${REST%%-*}
  94                         else
  95                                 # 3 tupple
  96                                 KERNEL=$OS
  97                                 OS=$MANU
  98                                 MANU=
  99                         fi
 100                 else
 101                         # 2 tupple
 102                         OS=$MANU
 103                         MANU=
 104                 fi
 105         fi
 106 fi
 107
 108 echo "Configuring openresolv for ... $OS"
 109 rm -rf $CONFIG_MK
 110 echo "# $OS" >$CONFIG_MK
 111
 112 for x in SYSCONFDIR SBINDIR LIBEXECDIR VARDIR MANDIR; do
 113         eval v=\$$x
 114         # Make files look nice for import
 115         l=$((10 - ${#x}))
 116         unset t
 117         [ $l -gt 3 ] && t="     "
 118         echo "$x=$t     $v" >>$CONFIG_MK
 119 done
 120
 121 if [ -e /etc/arch-release -a -d /etc/rc.d ]; then
 122         echo "Overriding service status check for Arch Linux"
 123         RCDIR=/etc/rc.d
 124         RESTARTCMD="[ -e /var/run/daemons/\1 ] \&\& /etc/rc.d/\1 restart"
 125         echo "yes"
 126 fi
 127
 128 if [ -z "$RESTARTCMD" ]; then
 129         printf "Checking for OpenRC ... "
 130         if [ -x /sbin/rc-service ]; then
 131                 RESTARTCMD="/sbin/rc-service -e \1 \&\& /sbin/rc-service \1 -- -Ds restart"
 132                 echo "yes"
 133         else
 134                 echo "no"
 135         fi
 136 fi
 137 if [ -z "$RESTARTCMD" ]; then
 138         printf "Checking for invoke-rc.d ... "
 139         if [ -x /usr/sbin/invoke-rc.d ]; then
 140                 RCDIR=/etc/init.d
 141                 RESTARTCMD="/usr/sbin/invoke-rc.d --quiet \1 status >/dev/null 2>\&1 \&\& /usr/sbin/invoke-rc.d \1 restart"
 142                 echo "yes"
 143         else
 144                 echo "no"
 145         fi
 146 fi
 147 if [ -z "$RESTARTCMD" ]; then
 148         printf "Checking for service ... "
 149         if [ -x /sbin/service ]; then
 150                 RCDIR=/etc/init.d
 151                 RESTARTCMD="/sbin/service \1 \&\& /sbin/service \1 restart"
 152                 echo "yes"
 153         else
 154                 echo "no"
 155         fi
 156 fi
 157 if [ -z "$RESTARTCMD" ]; then
 158         for x in /etc/init.d/rc.d /etc/rc.d /etc/init.d; do
 159                 printf "Checking for $x ... "
 160                 if [ -d $x ]; then
 161                         RCDIR=$x
 162                         RESTARTCMD="$x/\1 status >/dev/null 2>\&1 \&\& $x/\1 restart"
 163                         echo "yes"
 164                         break
 165                 else
 166                         echo "no"
 167                 fi
 168         done
 169 fi
 170
 171 if [ -z "$RESTARTCMD" ]; then
 172         echo "WARNING! No means of interacting with system services detected!"
 173         exit 1
 174 fi
 175
 176 echo "RCDIR=            $RCDIR" >>$CONFIG_MK
 177 # Work around bug in the dash shell as "echo 'foo \1'" does bad things
 178 printf "%s\n" "RESTARTCMD=      $RESTARTCMD" >>$CONFIG_MK
 179
 180 echo
 181 echo "   SYSCONFDIR =           $SYSCONFDIR"
 182 echo "   SBINDIR =              $SBINDIR"
 183 echo "   LIBEXECDIR =           $LIBEXECDIR"
 184 echo "   VARDIR =               $RUNDIR"
 185 echo "   MANDIR =               $MANDIR"
 186 echo