#!/bin/sh

# Copyright (c) 1993 Eric P. Allman
# Copyright (c) 1993 The Regents of the University of California.
# All rights reserved.
#
# %sccs.include.redist.sh%
#
#       @(#)makesendmail	8.22 (Berkeley) 05/14/95
#

#
#  A quick-and-dirty script to compile sendmail in the presence of
#  multiple architectures and Makefiles.
#

#
#  Do heuristic guesses for machines that do not have uname
#
if [ -d /LocalApps -a ! -f /bin/uname -a ! -f /usr/bin/uname ]
then
	# probably a NeXT box
	arch=NeXT
	os=Mach
	rel=`strings /mach | grep 'Mach.*:' | sed -e 's/.* Mach //' -e 's/:.*//'`
elif [ -f /usr/sony/bin/machine -a -f /etc/osversion ]
then
	# probably a Sony NEWS 4.x
	os=NEWS-OS
	rel=`awk '{ print $3}' /etc/osversion`
	arch=`/usr/sony/bin/machine`
elif [ -d /usr/omron -a -f /bin/luna ]
then
	# probably a Omron LUNA
	os=LUNA
	if [ -f /bin/luna1 ] && /bin/luna1
	then
		rel=unios-b
		arch=luna1
	elif [ -f /bin/luna2 ] && /bin/luna2
	then
		rel=Mach
		arch=luna2
	elif [ -f /bin/luna88k ] && /bin/luna88k
	then
		rel=Mach
		arch=luna88k
	fi
fi

if [ ! "$arch" -a ! "$os" -a ! "$rel" ]
then
	arch=`uname -m | sed -e 's/ //g'`
	os=`uname -s | sed 's/\//-/g'`
	rel=`uname -r`
fi

# tweak machine architecture
case $arch
in
  sun4*)	arch=sun4;;

  9000/*)	arch=`echo $arch | sed -e 's/9000.//' -e 's/..$/xx/'`;;
esac

# tweak operating system type and release
case $os
in
  DYNIX-ptx)	os=PTX;;
  Paragon*)	os=Paragon;;
  HP-UX)	rel=`echo $rel | sed -e 's/^[^.]*\.0*//'`;;
esac

# get "base part" of operating system release
rbase=`echo $rel | sed -e 's/\..*//'`

# heuristic tweaks to clean up names
if [ "$os" = "unix" ]
then
	# might be Altos System V
	case $rel
	in
	  5.3*)		os=Altos;;
	esac
fi

if [ -r /unix -a -r /usr/lib/libseq.a -a -r /lib/cpp ]
then
	# might be a DYNIX/ptx 2.x system, which has a broken uname
	if strings /lib/cpp | grep _SEQUENT_ > /dev/null
	then
		os=PTX
	fi
fi

if [ -d /usr/nec -a "$os" = "UNIX_System_V" ]
then
	os=EWS-UX_V
fi

# see if there is a "user suffix" specified
if [ "${SENDMAIL_SUFFIX-}x" = "x" ]
then
	sfx=""
else
	sfx=".${SENDMAIL_SUFFIX}"
fi

echo "Making sendmail with os=$os, rel=$rel, rbase=$rbase, arch=$arch, sfx=$sfx"

# now try to find a reasonable object directory
if [ -r obj.$os.$rel.$arch$sfx ]; then
	obj=obj.$os.$rel.$arch$sfx
elif [ -r obj.$os.$rbase.x.$arch$sfx ]; then
	obj=obj.$os.$rbase.x.$arch$sfx
elif [ -r obj.$os.$rel$sfx ]; then
	obj=obj.$os.$rel$sfx
elif [ -r obj.$os.$rbase.x$sfx ]; then
	obj=obj.$os.$rbase.x$sfx
elif [ -r obj.$os.$arch$sfx ]; then
	obj=obj.$os.$arch$sfx
elif [ -r obj.$rel.$arch$sfx ]; then
	obj=obj.$rel.$arch$sfx
elif [ -r obj.$rbase.x.$arch$sfx ]; then
	obj=obj.$rbase.x.$arch$sfx
elif [ -r obj.$os$sfx ]; then
	obj=obj.$os$sfx
elif [ -r obj.$arch$sfx ]; then
	obj=obj.$arch$sfx
elif [ -r obj.$rel$sfx ]; then
	obj=obj.$rel$sfx
elif [ -r obj$sfx ]; then
	obj=obj$sfx
else
	# no existing obj directory -- try to create one if Makefile found
	obj=obj.$os.$rel.$arch$sfx
	if [ -r Makefiles/Makefile.$os.$rel.$arch$sfx ]; then
		makefile=Makefile.$os.$rel.$arch$sfx
	elif [ -r Makefiles/Makefile.$os.$rel.$arch ]; then
		makefile=Makefile.$os.$rel.$arch
	elif [ -r Makefiles/Makefile.$os.$rbase.x.$arch$sfx ]; then
		makefile=Makefile.$os.$rbase.x.$arch$sfx
	elif [ -r Makefiles/Makefile.$os.$rbase.x.$arch ]; then
		makefile=Makefile.$os.$rbase.x.$arch
	elif [ -r Makefiles/Makefile.$os.$rel$sfx ]; then
		makefile=Makefile.$os.$rel$sfx
	elif [ -r Makefiles/Makefile.$os.$rel ]; then
		makefile=Makefile.$os.$rel
	elif [ -r Makefiles/Makefile.$os.$rbase.x$sfx ]; then
		makefile=Makefile.$os.$rbase.x$sfx
	elif [ -r Makefiles/Makefile.$os.$rbase.x ]; then
		makefile=Makefile.$os.$rbase.x
	elif [ -r Makefiles/Makefile.$os.$arch$sfx ]; then
		makefile=Makefile.$os.$arch$sfx
	elif [ -r Makefiles/Makefile.$os.$arch ]; then
		makefile=Makefile.$os.$arch
	elif [ -r Makefiles/Makefile.$rel.$arch$sfx ]; then
		makefile=Makefile.$rel.$arch$sfx
	elif [ -r Makefiles/Makefile.$rel.$arch ]; then
		makefile=Makefile.$rel.$arch
	elif [ -r Makefiles/Makefile.$rbase.x.$arch$sfx ]; then
		makefile=Makefile.$rbase.x.$arch$sfx
	elif [ -r Makefiles/Makefile.$rbase.x.$arch ]; then
		makefile=Makefile.$rbase.x.$arch
	elif [ -r Makefiles/Makefile.$os$sfx ]; then
		makefile=Makefile.$os$sfx
	elif [ -r Makefiles/Makefile.$os ]; then
		makefile=Makefile.$os
	elif [ -r Makefiles/Makefile.$arch$sfx ]; then
		makefile=Makefile.$arch$sfx
	elif [ -r Makefiles/Makefile.$arch ]; then
		makefile=Makefile.$arch
	elif [ -r Makefiles/Makefile.$rel$sfx ]; then
		makefile=Makefile.$rel$sfx
	elif [ -r Makefiles/Makefile.$rel ]; then
		makefile=Makefile.$rel
	elif [ -r Makefiles/Makefile.$rel$sfx ]; then
		makefile=Makefile.$rel$sfx
	else
		echo "Cannot determine how to support $arch.$os.$rel"
		exit 1
	fi
	echo "Creating $obj using $makefile"
	mkdir $obj
	(cd $obj; ln -s ../*.[ch158] ../sendmail.hf .; ln -s ../Makefiles/$makefile Makefile)
fi
echo "Making in $obj"
cd $obj
if [ $# = 0 ]
then
	exec ${MAKE-make}
else
	exec ${MAKE-make} "$@"
fi