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 STATUSARG=
  12
  13 for x do
  14         opt=${x%%=*}
  15         var=${x#*=}
  16         case "$opt" in
  17         --os|OS) OS=$var;;
  18         --with-cc|CC) CC=$var;;
  19         --debug) DEBUG=$var;;
  20         --disable-debug) DEBUG=no;;
  21         --enable-debug) DEBUG=yes;;
  22         --prefix) PREFIX=$var;;
  23         --sysconfdir) SYSCONFDIR=$var;;
  24         --bindir|--sbindir) SBINDIR=$var;;
  25         --libexecdir) LIBEXECDIR=$var;;
  26         --statedir|--localstatedir) STATEDIR=$var;;
  27         --dbdir) DBDIR=$var;;
  28         --rundir) RUNDIR=$var;;
  29         --mandir) MANDIR=$var;;
  30         --with-ccopts|CFLAGS) CFLAGS=$var;;
  31         CPPFLAGS) CPPFLAGS=$var;;
  32         --build) BUILD=$var;;
  33         --host) HOST=$var;;
  34         --target) TARGET=$var;;
  35         --libdir) LIBDIR=$var;;
  36         --restartcmd) RESTARTCMD=$var;;
  37         --rcdir) RCDIR=$var;;
  38         --statusarg) STATUSARG=$var;;
  39         --includedir) eval INCLUDEDIR="$INCLUDEDIR${INCLUDEDIR:+ }$var";;
  40         --datadir|--infodir) ;; # ignore autotools
  41         --disable-maintainer-mode|--disable-dependency-tracking) ;;
  42         --help) echo "See the README file for available options"; exit 0;;
  43         *) echo "$0: WARNING: unknown option $opt" >&2;;
  44         esac
  45 done
  46
  47 if [ -z "$LIBEXECDIR" ]; then
  48         printf "Checking for directory /libexec ... "
  49         if [ -d /libexec ]; then
  50                 echo "yes"
  51                 LIBEXECDIR=$PREFIX/libexec/resolvconf
  52         else
  53                 echo "no"
  54                 LIBEXECDIR=$PREFIX/lib/resolvconf
  55         fi
  56 fi
  57 if [ -z "$RUNDIR" ]; then
  58         printf "Checking for directory /run ... "
  59         if [ -d /run ]; then
  60                 echo "yes"
  61                 RUNDIR=/run
  62         else
  63                 echo "no"
  64                 RUNDIR=/var/run
  65         fi
  66 fi
  67
  68 : ${SED:=sed}
  69
  70 : ${SYSCONFDIR:=$PREFIX/etc}
  71 : ${SBINDIR:=$PREFIX/sbin}
  72 : ${LIBEXECDIR:=$PREFIX/libexec/resolvconf}
  73 : ${STATEDIR:=/var}
  74 : ${RUNDIR:=$STATEDIR/run}
  75 : ${MANDIR:=${PREFIX:-/usr}/share/man}
  76
  77 eval SYSCONFDIR="$SYSCONFDIR"
  78 eval SBINDIR="$SBINDIR"
  79 eval LIBEXECDIR="$LIBEXECDIR"
  80 eval VARDIR="$RUNDIR/resolvconf"
  81 eval MANDIR="$MANDIR"
  82
  83 CONFIG_MK=config.mk
  84
  85 if [ -z "$BUILD" ]; then
  86         # autoconf target triplet: cpu-vendor-os
  87         BUILD=$(uname -m)-unknown-$(uname -s | tr '[:upper:]' '[:lower:]')
  88 fi
  89 : ${HOST:=$BUILD}
  90
  91 if [ -z "$OS" ]; then
  92         echo "Deriving operating system from ... $HOST"
  93         # Derive OS from cpu-vendor-[kernel-]os
  94         CPU=${HOST%%-*}
  95         REST=${HOST#*-}
  96         if [ "$CPU" != "$REST" ]; then
  97                 VENDOR=${REST%%-*}
  98                 REST=${REST#*-}
  99                 if [ "$VENDOR" != "$REST" ]; then
 100                         # Use kernel if given, otherwise os
 101                         OS=${REST%%-*}
 102                 else
 103                         # 2 tupple
 104                         OS=$VENDOR
 105                         VENDOR=
 106                 fi
 107         fi
 108
 109         # Work with cpu-kernel-os, ie Debian
 110         case "$VENDOR" in
 111         linux*|kfreebsd*) OS=$VENDOR; VENDOR= ;;
 112         esac
 113         # Special case
 114         case "$OS" in
 115         gnu*) OS=hurd;; # No HURD support as yet
 116         esac
 117 fi
 118
 119 echo "Configuring openresolv for ... $OS"
 120 rm -rf $CONFIG_MK
 121 echo "# $OS" >$CONFIG_MK
 122
 123 case "$OS" in
 124 freebsd*)
 125         # On FreeBSD, /etc/init.d/foo status returns 0 if foo is not enabled
 126         # regardless of if it's not running.
 127         # So we force onestatus to work around this silly bug.
 128         if [ -z "$STATUSARG" ]; then
 129                 STATUSARG="onestatus"
 130         fi
 131         ;;
 132 linux*)
 133         # cksum does't support -a and netpgp is rare
 134         echo "CKSUM=            sha256sum --tag" >>$CONFIG_MK
 135         echo "PGP=              gpg2" >>$CONFIG_MK
 136         ;;
 137 esac
 138
 139 for x in SYSCONFDIR SBINDIR LIBEXECDIR VARDIR MANDIR RESTARTCMD RCDIR STATUSARG
 140 do
 141         eval v=\$$x
 142         # Make files look nice for import
 143         l=$((10 - ${#x}))
 144         unset t
 145         [ $l -gt 3 ] && t="     "
 146         echo "$x=$t     $v" >>$CONFIG_MK
 147 done
 148
 149 echo
 150 echo "   SYSCONFDIR =           $SYSCONFDIR"
 151 echo "   SBINDIR =              $SBINDIR"
 152 echo "   LIBEXECDIR =           $LIBEXECDIR"
 153 echo "   VARDIR =               $RUNDIR"
 154 echo "   MANDIR =               $MANDIR"
 155 echo
 156 echo "   RESTARTCMD =           $RESTARTCMD"
 157 echo "   RCDIR =                $RCDIR"
 158 echo "   STATUSARG =            $STATUSARG"
 159 echo