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 $opt" >&2;;
  41         esac
  42 done
  43
  44 if [ -z "$LIBEXECDIR" ]; then
  45         printf "Checking for directory /libexec ... "
  46         if [ -d /libexec ]; then
  47                 echo "yes"
  48                 LIBEXECDIR=$PREFIX/libexec/resolvconf
  49         else
  50                 echo "no"
  51                 LIBEXECDIR=$PREFIX/lib/resolvconf
  52         fi
  53 fi
  54 if [ -z "$RUNDIR" ]; then
  55         printf "Checking for directory /run ... "
  56         if [ -d /run ]; then
  57                 echo "yes"
  58                 RUNDIR=/run
  59         else
  60                 echo "no"
  61                 RUNDIR=/var/run
  62         fi
  63 fi
  64
  65 : ${SED:=sed}
  66
  67 : ${SYSCONFDIR:=$PREFIX/etc}
  68 : ${SBINDIR:=$PREFIX/sbin}
  69 : ${LIBEXECDIR:=$PREFIX/libexec/resolvconf}
  70 : ${STATEDIR:=/var}
  71 : ${RUNDIR:=$STATEDIR/run}
  72 : ${MANDIR:=${PREFIX:-/usr}/share/man}
  73
  74 eval SYSCONFDIR="$SYSCONFDIR"
  75 eval SBINDIR="$SBINDIR"
  76 eval LIBEXECDIR="$LIBEXECDIR"
  77 eval VARDIR="$RUNDIR/resolvconf"
  78 eval MANDIR="$MANDIR"
  79
  80 CONFIG_MK=config.mk
  81
  82 if [ -z "$BUILD" ]; then
  83         # autoconf target triplet: cpu-vendor-os
  84         BUILD=$(uname -m)-unknown-$(uname -s | tr '[:upper:]' '[:lower:]')
  85 fi
  86 : ${HOST:=$BUILD}
  87
  88 if [ -z "$OS" ]; then
  89         echo "Deriving operating system from ... $HOST"
  90         # Derive OS from cpu-vendor-[kernel-]os
  91         CPU=${HOST%%-*}
  92         REST=${HOST#*-}
  93         if [ "$CPU" != "$REST" ]; then
  94                 VENDOR=${REST%%-*}
  95                 REST=${REST#*-}
  96                 if [ "$VENDOR" != "$REST" ]; then
  97                         # Use kernel if given, otherwise os
  98                         OS=${REST%%-*}
  99                 else
 100                         # 2 tupple
 101                         OS=$VENDOR
 102                         VENDOR=
 103                 fi
 104         fi
 105
 106         # Work with cpu-kernel-os, ie Debian
 107         case "$VENDOR" in
 108         linux*|kfreebsd*) OS=$VENDOR; VENDOR= ;;
 109         esac
 110         # Special case
 111         case "$OS" in
 112         gnu*) OS=hurd;; # No HURD support as yet
 113         esac
 114 fi
 115
 116 echo "Configuring openresolv for ... $OS"
 117 rm -rf $CONFIG_MK
 118 echo "# $OS" >$CONFIG_MK
 119
 120 for x in SYSCONFDIR SBINDIR LIBEXECDIR VARDIR MANDIR; do
 121         eval v=\$$x
 122         # Make files look nice for import
 123         l=$((10 - ${#x}))
 124         unset t
 125         [ $l -gt 3 ] && t="     "
 126         echo "$x=$t     $v" >>$CONFIG_MK
 127 done
 128
 129 if [ -z "$RESTARTCMD" ]; then
 130         printf "Checking for systemd ... "
 131         if [ -x /bin/systemctl ]; then
 132                 RESTARTCMD="/bin/systemctl try-restart \1"
 133                 echo "yes"
 134         elif [ -x /usr/bin/systemctl ]; then
 135                 RESTARTCMD="/usr/bin/systemctl try-restart \1"
 136                 echo "yes"
 137         else
 138                 echo "no"
 139         fi
 140 fi
 141
 142 # Arch upgraded to systemd, so this check has to be just after systemd
 143 # but higher than the others
 144 if [ -z "$RESTARTCMD" ]; then
 145         printf "Checking for Arch ... "
 146         if [ -e /etc/arch-release -a -d /etc/rc.d ]; then
 147                 RCDIR=/etc/rc.d
 148                 RESTARTCMD="[ -e /var/run/daemons/\1 ] \&\& /etc/rc.d/\1 restart"
 149                 echo "yes"
 150         else
 151                 echo "no"
 152         fi
 153 fi
 154
 155 if [ -z "$RESTARTCMD" ]; then
 156         printf "Checking for OpenRC ... "
 157         if [ -x /sbin/rc-service ]; then
 158                 RESTARTCMD="if /sbin/rc-service -e \1; then /sbin/rc-service \1 -- -Ds restart; fi"
 159                 echo "yes"
 160         else
 161                 echo "no"
 162         fi
 163 fi
 164 if [ -z "$RESTARTCMD" ]; then
 165         printf "Checking for invoke-rc.d ... "
 166         if [ -x /usr/sbin/invoke-rc.d ]; then
 167                 RCDIR=/etc/init.d
 168                 RESTARTCMD="if /usr/sbin/invoke-rc.d --quiet \1 status >/dev/null 2>\&1; then /usr/sbin/invoke-rc.d \1 restart; fi"
 169                 echo "yes"
 170         else
 171                 echo "no"
 172         fi
 173 fi
 174 if [ -z "$RESTARTCMD" ]; then
 175         printf "Checking for service ... "
 176         if [ -x /sbin/service ]; then
 177                 RCDIR=/etc/init.d
 178                 RESTARTCMD="if /sbin/service \1; then /sbin/service \1 restart; fi"
 179                 echo "yes"
 180         else
 181                 echo "no"
 182         fi
 183 fi
 184 if [ -z "$RESTARTCMD" ]; then
 185         printf "Checking for runit... "
 186         if [ -x /bin/sv ]; then
 187                 RESTARTCMD="/bin/sv try-restart \1"
 188                 echo "yes"
 189         elif [ -x /usr/bin/sv ]; then
 190                 RESTARTCMD="/usr/bin/sv try-restart \1"
 191                 echo "yes"
 192         else
 193                 echo "no"
 194         fi
 195 fi
 196 if [ -z "$RESTARTCMD" ]; then
 197         for x in /etc/init.d/rc.d /etc/rc.d /etc/init.d; do
 198                 printf "Checking for $x ... "
 199                 if [ -d $x ]; then
 200                         RCDIR=$x
 201                         RESTARTCMD="if $x/\1 status >/dev/null 2>\&1; then $x/\1 restart; fi"
 202                         echo "yes"
 203                         break
 204                 else
 205                         echo "no"
 206                 fi
 207         done
 208 fi
 209
 210 if [ -z "$RESTARTCMD" ]; then
 211         echo "$0: WARNING: No means of interacting with system services detected!"
 212         exit 1
 213 fi
 214
 215 echo "RCDIR=            $RCDIR" >>$CONFIG_MK
 216 # Work around bug in the dash shell as "echo 'foo \1'" does bad things
 217 printf "%s\n" "RESTARTCMD=      $RESTARTCMD" >>$CONFIG_MK
 218
 219 echo
 220 echo "   SYSCONFDIR =           $SYSCONFDIR"
 221 echo "   SBINDIR =              $SBINDIR"
 222 echo "   LIBEXECDIR =           $LIBEXECDIR"
 223 echo "   VARDIR =               $RUNDIR"
 224 echo "   MANDIR =               $MANDIR"
 225 echo