mirror of
https://github.com/troglobit/finit.git
synced 2026-10-01 21:42:40 +07:00
Joachim Nilsson
a33478d563
For embedded systems with no initial random seed, usually stored in /var/lib/urandom/urandom-seed on desktops, servers and laptops, we now provide an initial seed file using a built-in PRNG. Also, let the configure script default to *enable* the random seeding at boot, granted the urandom plugin is enabled. We should encourage users to properly seed their random, for security reasons. Moreover, the plugin did not properly regenerate the random seed on reboot, or shutdown, this patch also rectifies that problem. Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
452 lines
17 KiB
Bash
Executable File
452 lines
17 KiB
Bash
Executable File
#!/bin/sh
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# Simple home brew configure script, not as fancy as GNU Autotools
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#
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# --with-plugins="time initctl"
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# --enable-static
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# --disable-inetd
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# --disable-plugins
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#
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# This creates a configuration where Finit is built statically, with the
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# time and initctl plugins built-in, and no inetd support.
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#
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# Setup defaults if undefined
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defaults()
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{
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heading=${heading:='"Finit v" VERSION'}
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prefix=${prefix:="/usr"}
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sysconfdir=${sysconfdir:="/etc"}
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sbindir=${sbindir:="/sbin"}
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libdir=${libdir:="/lib"}
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pdir="finit/plugins"
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plugindir=${plugindir:="$libdir/$pdir"}
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# The initctl FIFO, should probably be in /run, not /dev
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fifo=${fifo:="/dev/initctl"}
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random=${random:="/var/lib/urandom/random-seed"}
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conf="finit.conf"
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config=${config:="$sysconfdir/$conf"}
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confdir=${confdir:="finit.d"}
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rcsd=${rcsd:="$sysconfdir/$confdir"}
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console=${console:='_PATH_CONSOLE'}
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shell=${shell:='_PATH_BSHELL'}
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defuser=${defuser:="root"}
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defhost=${defhost:="noname"}
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runlevel=${runlevel:=2}
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debug=${debug:=0}
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embedded=${embedded:=0}
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dbus=${dbus:=0}
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remount=${remount:=0}
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inetd=${inetd:=1}
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verbose=${verbose:=1}
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kernel_quiet=${kernel_quiet:=1}
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static=${static:=0}
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disable_plugins=${disable_plugins:=0}
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}
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result()
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{
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echo
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echo "Finit configuration"
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echo "========================================================================"
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echo "Heading : $heading"
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echo "Install prefix : $prefix"
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echo "System config dir : $sysconfdir"
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echo "Super user bindir : $sbindir"
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echo "Shared libs dir : $libdir"
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echo "Plugins dir : $plugindir"
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echo "FIFO : $fifo"
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echo "Config file : $config"
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echo "rcs.d/ directory : $rcsd"
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echo "Default console : $console"
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# echo "Fallback shell : $shell"
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if [ x"$sysroot" != x"" ]; then
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echo "Swap rootfs to : $sysroot"
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fi
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echo "Default username : $defuser"
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echo "Default hostname : $defhost"
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echo "Default runlevel : $runlevel"
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if [ $debug -ne 0 ]; then
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echo "Debug : ENABLED"
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fi
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if [ $embedded -ne 0 ]; then
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echo "Embedded target : YES (BusyBox getty, and mdev instead of udev)"
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fi
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if [ $dbus -ne 0 ]; then
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echo "D-Bus : YES, remember to install dbus.so plugin as well!"
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fi
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if [ $remount -ne 0 ]; then
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echo "Remount ROOT fs : YES, / will be remounted as read-write at bootstrap"
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fi
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if [ x"$random" != x"" ]; then
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echo "Random seed : $random"
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fi
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if [ $inetd -ne 0 ]; then
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echo "Inetd : Built-in"
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else
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echo "Inetd : DISABLED"
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fi
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if [ x"$libite" = x"" ]; then
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echo "Libite (LITE) : Built-in"
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else
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echo "Libite (LITE) : $libite + {/lib, /include}"
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fi
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if [ x"$libuev" = x"" ]; then
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echo "LibuEv : Built-in"
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else
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echo "LibuEv : $libuev + {/lib, /include}"
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fi
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if [ $verbose -ne 1 ]; then
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echo "Quiet Finit : YES"
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else
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echo "Quiet Finit : NO, verbose output (default)"
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fi
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if [ $kernel_quiet -eq 1 ]; then
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echo "Kernel Quiet : YES, silent after inital boot (default)"
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else
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echo "Kernel Quiet : NO"
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fi
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if [ $static -ne 0 ]; then
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echo "Static Finit : YES"
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fi
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if [ $disable_plugins -eq 1 ]; then
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echo "Plugins : DISABLED"
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else
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if [ x"$plugins" = x"" ]; then
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echo "Plugins : ALL"
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else
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echo "Plugins : $plugins"
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fi
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fi
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echo
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}
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usage()
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{
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defaults
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echo "Run this script to configure finit for your operating system."
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echo
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echo "Usage: $0 [ARG]"
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echo
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echo " --help This help text"
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echo " --prefix=PREFIX Set installation prefix, default '$prefix'"
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echo " --sysconfdir=CONF Set conf dir, default '$sysconfdir'"
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echo " --sbindir=SBIN Set sbin dir, default '$sbindir'"
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echo " --libdir=LIB Set lib dir, default '$libdir'"
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echo " --plugindir=DIR Set plugin dir, default '\$libdir/$pdir'"
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echo
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echo " --with-fifo=FIFO FIFO for initctl plugin, default '$fifo'"
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echo " --with-config=CONFIG Finit CONFIG file, default '\$sysconfdir/$conf'"
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echo " --with-heading=GREET Display GREET instead of Finit version at boot"
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echo " --with-randomseed=SEED Seed /dev/urandom at boot from SEED. Usually found in"
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echo " standard Linux systems at $random"
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echo " which is also the default. Requires urandom plugin!"
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echo " --with-plugins=\"a b c\" Build plugins 'a', 'b' and 'c', either as dynamic .so"
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echo " files, or as built-in if --enable-static is given,"
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echo " defaults to all plugins. Exclude extension!"
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echo " --with-rcsd=RCSD Finit RCSD directory, default '\$sysconfdir/$confdir'"
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echo " --with-console=DEV Console to use, default: /dev/console"
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# echo " --with-shell=PATH Fallback shell to use, default: /bin/sh"
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echo " --with-sysroot=PATH Some distributions keep a different (writable) rootfs"
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echo " that is used at runtime, usually /sysroot or /mnt"
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echo " --with-username=USER User for 'startx' .conf option, default: root"
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echo " --with-hostname=NAME Hostname, if /etc/hostname is missing, default: noname"
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echo " --with-runlevel=LEVEL Runlevel to switch to after bootstrap (S), default: 2"
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echo " --with-libite=PATH Look for libite in PATH/include and PATH/lib"
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echo " This is for disabling the use of built-in libite."
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echo " --with-libuev=PATH Look for libuEv in PATH/include and PATH/lib"
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echo " This is for disabling the use of built-in libuEv."
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echo
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echo " --enable-embedded Embedded defaults, BusBox getty, mdev etc."
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echo " --enable-dbus Enable D-Bus plugin. Note: install plugin as well!"
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echo " --enable-rw-rootfs Remount / as read-write at bootstrap, not for embedded"
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echo " --enable-debug Enable debug flags, '-O0, -g'"
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echo " --enable-quiet Quiet mode, reduce screen output to absolute minimum"
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echo " --enable-static Link statically. This disables a few features."
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echo " --disable-inetd Disable inetd support if not needed."
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echo " --disable-kernel-quiet Disable kernel cmdline quiet, default enabled."
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echo " --disable-plugins Disable plugins"
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echo
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echo "The build system also supports external CFLAGS, CPPFLAGS, LDFLAGS, LDLIBS,"
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echo "and DESTDIR, useful for packaging or cross-compiling."
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echo
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echo "Example:"
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echo " ./configure --enable-embedded --with-plugins=\"initctl tty\""
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echo
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echo "Report bugs to https://github.com/troglobit/finit/issues"
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echo
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exit 1
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}
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while [ "$*" != "" ]; do
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opt=`expr "$1" : "--\([^=]*\)=.*"`
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arg=`expr "$1" : "--[^=]*=\(.*\)"`
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if [ -z "$opt" ]; then
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opt=`expr "$1" : "--\(.*\)"`
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fi
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shift
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case $opt in
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prefix)
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prefix="$arg"
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;;
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sysconfdir)
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sysconfdir="$arg"
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;;
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sbindir)
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sbindir="$arg"
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;;
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libdir)
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libdir="$arg"
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;;
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plugindir)
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plugindir="$arg"
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;;
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with-fifo)
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fifo="$arg"
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;;
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with-config)
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config="$arg"
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;;
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with-heading)
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heading="\"$arg\""
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;;
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with-randomseed)
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random="$arg"
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;;
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with-plugins)
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plugins="$arg"
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;;
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with-rcsd)
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rcsd="$arg"
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;;
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with-console)
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console="\"$arg\""
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;;
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with-shell)
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shell="\"$arg\""
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;;
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with-sysroot)
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sysroot="$arg"
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;;
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with-usename)
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defuser="$arg"
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;;
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with-hostname)
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defhost="$arg"
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;;
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with-runlevel)
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runlevel="$arg"
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;;
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with-libite)
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libite="$arg"
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;;
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with-libuev)
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libuev="$arg"
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;;
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enable-debug)
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debug=1
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;;
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enable-embedded)
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embedded=1
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;;
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enable-dbus)
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dbus=1
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;;
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enable-rw-rootfs)
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remount=1
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;;
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enable-quiet)
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verbose=0
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;;
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enable-static)
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static=1
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;;
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disable-inetd)
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inetd=0
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;;
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disable-kernel-quiet)
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kernel_quiet=0
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;;
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disable-plugins)
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disable_plugins=1
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;;
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help)
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usage
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;;
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*)
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echo "Unknown option: $opt"
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usage
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;;
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esac
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done
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# If no arguments given to configure script, use defaults
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defaults
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result
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##############################################################################
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echo "# Generated by finit configure script." > config.mk
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echo "prefix = $prefix" >> config.mk
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echo "sysconfdir = $sysconfdir" >> config.mk
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echo "sbindir = $sbindir" >> config.mk
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echo "libdir = $libdir" >> config.mk
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echo "plugindir = $plugindir" >> config.mk
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echo "incdir = \$(prefix)/include/finit" >> config.mk
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echo "datadir = \$(prefix)/share/doc/finit" >> config.mk
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echo "mandir = \$(prefix)/share/man/man8" >> config.mk
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echo "FINIT_RCSD = $rcsd" >> config.mk
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if [ $inetd -eq 0 ]; then
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echo >> config.mk
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echo "OBJS := \$(filter-out inetd.o, \$(OBJS))" >> config.mk
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fi
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echo >> config.mk
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if [ $debug -eq 1 ]; then
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echo "CFLAGS += -O0 -g" >> config.mk
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else
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echo "CFLAGS += -O2" >> config.mk
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fi
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echo >> config.mk
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if [ $static -ne 0 ]; then
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echo "STATIC = 1" >> config.mk
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echo "LDFLAGS += -static" >> config.mk
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echo "CPPFLAGS += -DENABLE_STATIC" >> config.mk
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echo "PLUGINS = \"\"" >> config.mk
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if [ $disable_plugins -ne 1 ]; then
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if [ x"$plugins" != x"" ]; then
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echo "OBJS += \$(addsuffix .o, \$(addprefix plugins/, $plugins))" >> config.mk
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else
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echo "tmp += \$(wildcard plugins/*.c)" >> config.mk
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echo "OBJS += \$(tmp:.c=.o)" >> config.mk
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fi
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fi
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else
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echo "STATIC = 0" >> config.mk
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echo "LDFLAGS += -rdynamic" >> config.mk
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echo "LDLIBS += -ldl" >> config.mk
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if [ x"$plugins" != x"" ]; then
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echo "PLUGINS = \$(addsuffix .so, $plugins)" >> config.mk
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fi
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fi
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if [ x"$libite" != x"" ]; then
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echo "LIBITE = $libite" >> config.mk
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echo "CPPFLAGS += -I\$(LIBITE)/include" >> config.mk
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echo "LDFLAGS += -L\$(LIBITE)/lib" >> config.mk
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echo "LDLIBS += -l:libite.so.2" >> config.mk
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else
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echo "LDFLAGS += -L\$(TOPDIR)/libite" >> config.mk
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echo "LDLIBS += -lite" >> config.mk
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echo "DEPLIBS += libite/libite.a" >> config.mk
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fi
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if [ x"$libuev" != x"" ]; then
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echo "LIBUEV = $libuev" >> config.mk
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echo "CPPFLAGS += -I\$(LIBUEV)/include" >> config.mk
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echo "LDFLAGS += -L\$(LIBUEV)/lib" >> config.mk
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echo "LDLIBS += -l:libuev.so.1" >> config.mk
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else
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echo "LDFLAGS += -L\$(TOPDIR)/libuev" >> config.mk
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echo "LDLIBS += -luev" >> config.mk
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echo "DEPLIBS += libuev/libuev.a" >> config.mk
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fi
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echo >> config.mk
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echo "export libdir plugindir incdir" >> config.mk
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echo "export CFLAGS CPPFLAGS LDFLAGS LDLIBS STATIC" >> config.mk
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##############################################################################
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echo "/* Generated by finit configure script. */" > config.h
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echo >> config.h
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echo "#ifndef FINIT_CONFIG_H_" >> config.h
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echo "#define FINIT_CONFIG_H_" >> config.h
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echo >> config.h
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echo "#define INIT_HEADING $heading" >> config.h
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echo "#define VERBOSE_MODE $verbose" >> config.h
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echo "#define KERNEL_QUIET $kernel_quiet" >> config.h
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if [ $embedded -eq 1 ]; then
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echo "#define EMBEDDED_SYSTEM 1" >> config.h
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echo "#define SETUP_DEVFS \"/sbin/mdev -s\"" >> config.h
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echo "#define GETTY \"/sbin/getty -L\"" >> config.h
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echo "#define GETTY_BUSYBOX 1" >> config.h
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echo "#define BAUDRATE 115200" >> config.h
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else
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echo "#define SETUP_DEVFS \"/sbin/udevd --daemon\"" >> config.h
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echo "#define GETTY \"/sbin/getty -8\"" >> config.h
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echo "#define GETTY_AGETTY 1" >> config.h
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echo "#define BAUDRATE 38400" >> config.h
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fi
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if [ $remount -eq 1 ]; then
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echo "#define REMOUNT_ROOTFS 1" >> config.h
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fi
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if [ $dbus -eq 1 ]; then
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echo "#define HAVE_DBUS 1" >> config.h
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fi
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if [ $inetd -eq 0 ]; then
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echo "#define INETD_DISABLED" >> config.h
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fi
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echo "#define FINIT_FIFO \"$fifo\"" >> config.h
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echo "#define FINIT_CONF \"$config\"" >> config.h
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echo "#define FINIT_RCSD \"$rcsd\"" >> config.h
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echo "#define CONSOLE $console" >> config.h
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echo "#define FALLBACK_SHELL $shell" >> config.h
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if [ x"$sysroot" != x"" ]; then
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echo "#define SYSROOT \"$sysroot\"" >> config.h
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fi
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echo "#define PLUGIN_PATH \"$plugindir\"" >> config.h
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if [ x"$random" != x"" ]; then
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echo "#define RANDOMSEED \"$random\"" >> config.h
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fi
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echo "#define DEFUSER \"$defuser\"" >> config.h
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echo "#define DEFHOST \"$defhost\"" >> config.h
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echo "#define RUNLEVEL $runlevel" >> config.h
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echo >> config.h
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echo "#endif /* FINIT_CONFIG_H_ */" >> config.h
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