#!/bin/sh

# quick_configure generate run-times libraries for the platforms given as 
# arguments.

usage () {
    cat <<EOF
Usage: quick_configure [platform run-time] 
EOF
}


help () {
cat <<EOF
quick_configure only generates the run-times libraries
Must be run from the C/ directory.

run-time:
	all -> all libraries (not only run-times)
	<nothing>-> all run-times 
	lib<name>.{a,so} -> this run-time
	shared -> static shared library
	mt ->only MT static libraries
	mtshared -> MT shared libraries

platforms:
	default -> $ISE_PLATFORM
	linux-x86 
	solaris
	sgi
	unicos-c90
	unicos-t3d
	alpha
	...

EOF

}

echo quick_configure begins...

allmakefiles=yes

if [ $# -gt 2 ] ; then
	echo Too many arguments
	usage
	exit
fi

if [ $# = 0 ]; then
	echo No arguments entered, check default...
	echo Default platform is $ISE_PLATFORM
	echo Default library is all
	platform=$ISE_PLATFORM
	runtimes=all
elif [ $# = 1 ]; then
	runtimes=all
elif [ $# = 2 ]; then
	runtimes=$2
fi
if [ $# -gt 0 ]; then
	if [ $1 = -help ]; then
		help
		exit
	else
		platform=$1
		cd CONFIGS
		if [ -f $platform ]; then
			#Run compilation	
			echo Compiling run-time for $platform
			cd ..
		else
			# No corresponding platform
			echo No $platform in CONFIGS directory
			usage
			exit
		fi
	fi
fi

if [ -f Makefile ]; then
	echo Makefile exists, make clobber [y]?
	read rep
	if [ $rep != y ]; then
		echo Regenerate all Makefiles? [y]
		read rep
		if [ $rep != y ]; then
			echo Only regenerate run-time/Makefile
			cd run-time; sh Makefile.SH; cd ..
			allmakefiles=no
			echo clean run-time [y]?
			read rep
			if [ $rep != y ]; then
				echo No cleaning
			else
				echo Cleaning in run-time...
				cd run-time; make clean; cd ..
			fi
		else
			echo Regenerate all Makefiles
		fi
	else	
		make clobber
		
	fi
fi	


if [ -f config.sh ]; then
	rm -f config.sh
fi
cp CONFIGS/$platform config.sh
if [ $allmakefiles != no ]; then
	./Configure -S
fi

#Taken from finish_freezing scripts to determine how many CPUs are available on a given platform
case `uname` in
    Linux)
	if [ -f /proc/cpuinfo ] ; then
		ncpus=`grep -c '^processor[[:space:]]*:' /proc/cpuinfo`
	fi
	;;
	SunOS)
	ncpus=`/usr/sbin/psrinfo | wc -l`
	;;
    IRIX*)
	ncpus=`hinv | awk '/^[0-9]+ [0-9]+ MHZ/ {print $1}'`
	;;
esac
if [ -z "$ncpus" ]; then ncpus=1; fi
if [ "$ncpus" -eq "0" ]; then ncpus=1; fi

if make --version 2>/dev/null | grep GNU >/dev/null 2>&1; then
    make_args="-j $ncpus"
else
    make_args=
fi

if [ $runtimes = all ]; then
	echo Copying mkdep...
	cp mkdep.unix mkdep; make depend
	make $make_args
else
	cd run-time; make $2 
	cd ..
fi

echo quick_configure terminated.