buildsunos

#! /bin/sh
if [ ! -f netinet/done ] ; then
	echo "Do NOT run this script directly, do 'make solaris'!"
	exit 1
fi
# $Id$
:
rev=`uname -r | sed -e 's/^\([^\.]*\)\..*/\1/'`
if [ -d /usr/ccs/bin ] ; then
	PATH=/usr/ccs/bin:${PATH}
	export PATH
fi

testcc()
{
	if echo '' | $1 -E - >/dev/null 2>&1 ; then
		CC=$1
		return 0
	fi
	return 1
}

if [ $rev = 5 ] ; then
	if [ ! -f /usr/include/sys/neti.h -a ! -d ../pfil ] ; then
		cat << __EOF__
pfil directory in .. missing, please download pfil package and extract that
into the parent directory.

See INSTALL.Sol2 for more instructions.
__EOF__
		exit 1
	fi
	#
	# /usr/ucb/cc will not work
	#
	PATH=`echo $PATH | sed -e s:/usr/ucb::g -e s/::/:/g`
	export PATH

	cpu=`uname -p`
	cpudir=${cpu}-`uname -r`
	solrev=`uname -r | sh -c 'IFS=. read j n x; echo $n'`
	if [ ! -d SunOS5/${cpudir} -a ! -h  SunOS5/${cpudir} ] ; then
		mkdir -p SunOS5/${cpudir}
	fi
	/bin/rm -f SunOS5/${cpudir}/Makefile
	/bin/rm -f SunOS5/${cpudir}/Makefile.ipsend
	ln -s `pwd`/SunOS5/Makefile SunOS5/${cpudir}/Makefile
	ln -s `pwd`/SunOS5/Makefile.ipsend SunOS5/${cpudir}/Makefile.ipsend

	#
	# Default C compiler is "cc", override on make commandline
	#
	if [ "x$CC" = "x" ] ; then
		testcc cc
		if [ $? -ne 0 ] ; then
			testcc gcc
			if [ $? -ne 0 ] ; then
				echo 'No working compiler found'
				exit 1
			fi
		fi
	else
		testcc $CC
		if [ $? -ne 0 ] ; then
			case $CC in
			*gcc*)
				echo 'No working compiler found'
				exit 1
				;;
			*)
				testcc gcc
				if [ $? -ne 0 ] ; then
					echo 'No working compiler found'
					exit 1
				fi
				;;
			esac
		fi
	fi
	v=`echo '__GNUC__' | 2>&1 ${CC} -E - | 2>&1 sed -ne '/^[0-9]* *$/p'`
	if [ x$v != x ] ; then
		CC=gcc
	fi

	case "$CC" in
	*gcc*)	# gcc
		XARCH32_i386=""
		XARCH32_sparc=""
		XARCH64_sparc="-m64 -mcmodel=medlow"
		XARCH64_i386="-m64 -mcmodel=kernel -mno-red-zone -ffreestanding"
		;;
	*)	# Sun C
		XARCH32_i386="-Xa -xildoff"
		XARCH32_sparc="-Xa -xildoff -xarch=v8 -xmemalign=8s"
		XARCH64_sparc="-Xa -xildoff -xarch=v9 -xchip=ultra -xmemalign=8s -xcode=abs32"
		XARCH64_i386="$XARCH32 -xarch=amd64 -xcode=abs32"
		;;
	esac
	XARCH32="`eval echo '$XARCH32_'$cpu`"
	XARCH64="`eval echo '$XARCH64_'$cpu`"
	OBJ32_sparc=sparcv7
	OBJ64_sparc=sparcv9
	OBJ32_i386=i86
	OBJ64_i386=amd64

	export CC

	ISABITS=32

	OBJ32=`eval echo '$OBJ32_'$cpu`
	OBJ64=`eval echo '$OBJ64_'$cpu`
	ARCHINC32=
	ARCHINC64_sparc="-I/usr/include/v9"
	ARCHINC64_i386=""
	ARCHINC64="`eval echo '$ARCHINC_'$cpu`"

	if [ $solrev -ge 10 ] && /bin/optisa sparcv8plus amd64 > /dev/null
	then
		# Introducing amd64
		BUILDBOTH=true
	elif [ $solrev -ge 7 ] && /bin/optisa sparcv8plus > /dev/null
	then
		# We run Solaris 7+ on 64 bit capable hardware.
		BUILDBOTH=true
	else
		BUILDBOTH=false
		OBJ32=.
	fi

	if $BUILDBOTH
	then
		echo Testing compiler $CC for 64 bit object file generation.
		t=conftest$$.c
		trap 'rm -f $t 32.out 64.out; exit 1' 0 1 2 3 15
		cat > $t <<-EOF
		#include <stdio.h>
		int main(void)
		{
			printf("%ld\n", (long) sizeof(long));
			exit(0);
		}
		EOF

		# Is it perhaps a 64 bit only compiler?
		if $CC $XARCH32 $t -o 32.out >/dev/null 2>&1 &&
		    [ "`./32.out`" = 4 ]
		then :; else
			echo $CC $XARCH32 cannot create 32 bit executables. 1>&2
			exit 1
		fi
		if $CC $XARCH64 $t -o 64.out >/dev/null 2>&1 &&
		    { out64=`./64.out 2>/dev/null` ;
		    [ "$out64" = 8 -o "`isainfo -b`" = 32 -a "$out64" = "" ]
		    }
		then
			echo "found 32/64 bit compiler" 1>&2
			CC64=true
		else
			CC64=false
		fi
		rm -f $t 32.out 64.out
		trap 0 1 2 3 15
	fi

	# If we're running 64 bit, we *must* build 64 bit.
	if ([ "`isainfo -b`" = 64 ]) 2>/dev/null ; then
		if $CC64 ; then :; else
			echo "No 64 bit capable compiler was found" 1>&2
			exit 1
		fi
		ISABITS="32 64"
	elif $BUILDBOTH && $CC64
	then
		ISABITS="32 64"
	else
		OBJ32=.
	fi
else
	cpu=`uname -m`
	cpudir=${cpu}-`uname -r`
fi

# Default $MAKE to make
: ${MAKE:=make}

if [ $cpu = i386 -a $solrev -lt 10 ] ; then
	if [ -n "$BPFILTER" ] ; then
		BPF="BPFILTER=./$BPFILTER"
	fi
	$MAKE $MAKEFLAGS ${1+"$@"} sunos5x86 SOLARIS2="-DSOLARIS2=$solrev" CPU= CPUDIR=${cpudir} CC="$CC $XARCH32" XARCH="$XARCH32" ARCHINC="$ARCHINC32" BITS=32 OBJ=. $BPF
	exit $?
fi
if [ x$solrev = x ] ; then
	make ${1+"$@"} sunos$rev "TOP=.." "ARCH=`uname -m`"
	exit $?
fi
for b in $ISABITS
do
    echo build $b bit binaries.
    for v in OBJ ARCHINC XARCH
    do
	eval $v=\"\$$v$b\"
    done
    if [ -n "$BPFILTER" ] ; then
	BPF="BPFILTER=$OBJ/$BPFILTER"
    fi
    $MAKE $MAKEFLAGS ${1+"$@"} sunos$rev SOLARIS2="-DSOLARIS2=$solrev" CPU= CPUDIR=${cpudir} CC="$CC $XARCH" XARCH="$XARCH" ARCHINC="$ARCHINC" BITS=$b OBJ=$OBJ $BPF || exit $?
done