:
# NAME:
#	boot-strap
#
# SYNOPSIS:
#	boot-strap [--"configure_arg" ... ][-s "srcdir"][-m "mksrc"]\\
#		["prefix" ["bmakesrc" ["mksrc"]]]
#
# DESCRIPTION:
#	This script is used to configure/build bmake it builds for
#	each OS in a subdir to keep the src clean. 
#	On successful completion it echos commands to put the new
#	bmake binary into the /configs tree (if it exists)
#	(http://www.crufty.net/FreeWare/configs.html), $prefix/bin
#	and a suitable ~/*bin directory.
#
# AUTHOR:
#	Simon J. Gerraty <sjg@crufty.net>

# RCSid:
#	$Id: boot-strap,v 1.9 2004/01/19 00:40:36 sjg Exp $
#
#	@(#) Copyright (c) 2001 Simon J. Gerraty
#
#	This file is provided in the hope that it will
#	be of use.  There is absolutely NO WARRANTY.
#	Permission to copy, redistribute or otherwise
#	use this file is hereby granted provided that 
#	the above copyright notice and this notice are
#	left intact. 
#      
#	Please send copies of changes and bug-fixes to:
#	sjg@crufty.net
#

Mydir=`dirname $0`
. $Mydir/os.sh
case $Mydir in
/*) ;;
*) Mydir=`cd $Mydir; /bin/pwd`;;
esac

CONFIGURE_ARGS=
prefix=
srcdir=
mksrc=

while :
do
        case "$1" in
	--) shift; break;;
	--prefix) prefix=$2; shift 2;;
	--prefix=*) prefix=`IFS="="; set -- $1; echo $2`; shift;;
	--*) CONFIGURE_ARGS="$CONFIGURE_ARGS $1"; shift;;
        *=*) eval "$1"; export `IFS="="; set -- $1; echo $1`; shift;;
	-s) srcdir=$2; shift 2;;
	-m) mksrc=$2; shift 2;;
	*) break;;
	esac
done

AddConfigure() {
        case " $CONFIGURE_ARGS " in
	*" $1"*) ;;
	*) CONFIGURE_ARGS="$CONFIGURE_ARGS $1$2";;
	esac
}

GetDir() {
	match=$1
	shift
	for dir in $*
	do
		[ -d $dir ] || continue
		case "/$dir/" in
		*$match*) ;;
		*) continue;;
		esac
		case "$dir/" in
		*./*) cd $dir && /bin/pwd;;
		/*) echo $dir;;
		*) cd $dir && /bin/pwd;;
		esac
		break
	done
}

Usage() {
	echo "Usage:" >&2
	echo "$0 [--<configure_arg> ...][-s <srcdir>][-m <mksrc>][<prefix> [[<srcdir>] [<mksrc>]]]" >&2
	exit 1
}
	
srcdir=${srcdir:-`GetDir /bmake $2 $Mydir ./bmake* $Mydir/../bmake*`}
[ -d $srcdir ] || Usage
mksrc=${mksrc:-`GetDir /mk $3 ./mk* $srcdir/mk* $srcdir/../mk*`}
[ -d $mksrc ] || Usage

# Ok, get to work...
[ -d $OS ] || mkdir $OS
cd $OS || exit 1
defsyspath=/usr/share/mk:/share/mk:/usr/local/share/mk:/opt/share/mk
prefix=${prefix:-${1:-/usr/local}}
case "$prefix" in
/usr/local) makesyspath=$defsyspath;;
*) makesyspath=`echo $prefix/share/mk:$defsyspath | sed "s,:$prefix/share/mk,,"`;;
esac

AddConfigure --prefix= $prefix
AddConfigure --with-default-sys-path= $makesyspath
AddConfigure --with-mksrc= $mksrc
$srcdir/configure $CONFIGURE_ARGS || exit 1
${MAKE:-make} -f makefile.boot clean
${MAKE:-make} -f makefile.boot bootstrap || exit 1

make_version=`./bmake -m ./mk -m /usr/share/mk -f ./Makefile -V MAKE_VERSION | ( read one two; echo $one )`

install_prefix() {
       bdir=$1/bin
       echo
       echo Commands to install into $1/
       echo
       echo mkdir -p $bdir
       echo cp $OS/bmake $bdir/$make_version
       echo rm -f $bdir/bmake
       echo ln -s $make_version $bdir/bmake
       echo $mksrc/install-mk $1/share/mk
}

case $prefix/ in
$HOME/*) ;;
*)	CONFIGS=${CONFIGS:-/configs}
        [ -d $CONFIGS ] &&
        install_prefix $CONFIGS/$OS/$OSMAJOR.X/$MACHINE_ARCH$prefix
        # I like to keep a copy here...
        install_prefix $HOME/$HOST_TARGET
        ;;
esac

install_prefix $prefix
