oskit-configure

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#!/bin/sh
#
# Copyright (c) 1998-2000 The University of Utah. All rights reserved.
#
# See the file "license.terms" for information on usage and redistribution
# of this file.
#
# Contributed by the Flux Research Group at the University of Utah.
# Authors: Leigh Stoller, Patrick Tullmann
#

#
# A wrapper for Kaffe's configure that includes OSKit specific 
# options and setup.  Regular configure options will be passed
# directly to Kaffe's configure.
#
# Edit the paths below, or use the appropriate command line
# options.  
#
# This script needs to know the location of the Kaffe source, and the
# location of the installed Flux OSKit to link against.  The script
# defines CC to be the OSKit's GCC wrapper.  Several options to
# configure are added to the configure command line.  See the
# configure invocation, below.
#
# Notes:
#   1) Real oskit kernels are built using ELF tools, so unset
#      OBJFORMAT.
#

# Kaffe's source directory (the one that contains the vanilla Kaffe configure)
SRCDIR=/usr/src/kaffe   	# set via --srcdir=

# Where your oskit was installed  
OSKITDIR=/usr/lib/oskit/	# set via --oskitdir=

# The OSKit CC wrapper from the OSKit bin directory
OSKITCC=x86-oskit-gcc		# set via --oskitcc=
OSKITCCARGS="-posix-oskit -pthread -nostdinc"

OSKITCCLD=ld-oskit.sh

KAFFEH=kaffeh		# set via --localkaffeh

OSKITUNIX_CCFLAGS=
OSKITUNIX_LDFLAGS=

## The arguments unilaterally passed to Kaffe's configure
OSKIT_CONFIG_ARGS="--with-threads=oskit-pthreads \
	--with-staticlib \
	--without-x \
	--host=i386-oskit"


# Parse the command-line options to override above.
## XXX should set a flag on help and print it *after* parsing the other options.
PASSTHROUGH=
until [ $# -eq 0 ]
do
	case "$1" in
		--srcdir=* )
			SRCDIR=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;
			shift;;
		--oskitunix )
			OSKITUNIX_CCFLAGS='-hosted-oskit';
			OSKITUNIX_LDFLAGS='--oskitunix';
			shift;;
		--oskitdir=* )
			OSKITDIR=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;
			shift;;
		--oskitcc=* )
			OSKITCC=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;
			shift;;
		--oskitccld=* )
			OSKITCCLD=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;
			shift;;
		--localkaffeh=* )
			KAFFEH=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;
			shift;;
		--help )
		        ${SRCDIR}/configure --help
			echo "  "
			echo "OSKit Kaffe configure wrapper adds:"
			echo "  --srcdir=SRCDIR         Kaffe's source directory ($SRCDIR)"
			echo "  --oskitunix             Use OSKit/UNIX initialization [for user-mode OSKit] (false)"
			echo "  --oskitdir=OSKIT        Location of the installed Flux OSKit ($OSKITDIR)"
			echo "  --oskitcc=CC            The CC wrapper in the OSKit bin directory ($CC)"
			echo "  --oskitccld=CCLD        The CCLD wrapper in Kaffe's config/i386/oskit directory ($CCLD)"
			echo "  --localkaffeh=KAFFEH    A build-machine runnable copy of kaffeh ($KAFFEH)"
			echo "  "
			echo "The following arguments are unilaterally passed to Kaffe's configure: "
			echo "    $OSKIT_CONFIG_ARGS"
			echo "  "
			echo "The following arguments are unilaterally passed to the OSKit CC: "
			echo "    $OSKITCCARGS"
			exit 1
			;;
		* ) 
		    	PASSTHROUGH="$PASSTHROUGH $1"
			shift;;
	esac
done

export KAFFEH

PATH=${OSKITDIR}/bin:$PATH
export PATH

CC="${OSKITDIR}/bin/${OSKITCC} ${OSKITCCARGS} ${OSKITUNIX_CCFLAGS}"
export CC

### Grr.  We need to convince Kaffe's configure scripts to use
### our script oskit-ld.sh as the linker.  To do this requires
### setting both CCLD and LD in the configure environment.
###

CCLD="${SRCDIR}/config/i386/oskit/${OSKITCCLD} --oskit=${OSKITDIR} ${OSKITUNIX_LDFLAGS}"
export CCLD

LD="${CCLD}"
export LD

echo "Kaffe on OSKit Configuration"
echo "  srcdir    = $SRCDIR"
echo "  oskit     = $OSKITDIR"
echo "  KAFFEH    = $KAFFEH"
echo "  CC        = $CC"
echo "  LD/CCLD   = $CCLD"

if test ! -d $SRCDIR ; then
    echo "srcdir ($SRCDIR) invalid"
    exit 1
fi

if test ! -x $OSKITDIR/bin/$OSKITCC ; then
    echo "Invalid OSKit C compiler ($CC)"
    exit 1
fi

if test ! -x $KAFFEH ; then
    echo "kaffeh binary ($KAFFEH) is not executable"
    exit 1
fi

exec $SRCDIR/configure \
        $OSKIT_CONFIG_ARGS \
	$PASSTHROUGH

#eof