#!/bin/bash
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-libs/openssl/files/Attic/gentoo.config-0.9.7g,v 1.13 2007/10/07 16:57:24 vapier dead $
#
# Openssl doesn't play along nicely with cross-compiling 
# like autotools based projects, so let's teach it new tricks.
#
# Review the bundled 'config' script to see why kind of targets 
# we can pass to the 'Configure' script.


# Testing routines
if [[ $1 == "test" ]] ; then
	for c in \
		"arm-gentoo-linux-uclibc      |linux-elf-arm -DL_ENDIAN" \
		"armv5b-linux-gnu             |linux-elf-arm -DB_ENDIAN" \
		"x86_64-pc-linux-gnu          |linux-x86_64" \
		"alphaev56-unknown-linux-gnu  |linux-alpha+bwx-gcc" \
		"whatever-gentoo-freebsdX.Y   |FreeBSD-elf" \
		"sparc64-alpha-freebsdX.Y     |FreeBSD-sparc64" \
		"ia64-gentoo-freebsd5.99234   |FreeBSD-ia64" \
		"x86_64-gentoo-freebsdX.Y     |FreeBSD-amd64" \
		"hppa64-aldsF-linux-gnu5.3    |linux-parisc" \
		"powerpc-gentOO-linux-uclibc  |linux-ppc" \
		"powerpc64-unk-linux-gnu      |linux-ppc64" \
	;do
		CHOST=${c/|*}
		ret_want=${c/*|}
		ret_got=$(CHOST=${CHOST} "$0")

		if [[ ${ret_want} == "${ret_got}" ]] ; then
			echo "PASS: ${CHOST}"
		else
			echo "FAIL: ${CHOST}"
			echo -e "\twanted: ${ret_want}"
			echo -e "\twe got: ${ret_got}"
		fi
	done
	exit 0
fi
[[ -z ${CHOST} && -n $1 ]] && CHOST=$1


# Detect the operating system
case ${CHOST} in
	*-linux*)    system="linux";;
	*-freebsd*)  system="FreeBSD";;
	*)           exit 0;;
esac


# Compiler munging
compiler="gcc"
if [[ ${CC} == "ccc" ]] ; then
	compiler=${CC}
fi


# Detect target arch
machine=""
chost_machine=${CHOST%%-*}
case ${system} in
linux)
	case ${chost_machine} in
		alphaev56*)   machine=alpha+bwx-${compiler};;
		alphaev[67]*) machine=alpha+bwx-${compiler};;
		alpha*)
			# this pretty hack is because we have to make sure we
			# maintain ABI on the system or things like ssh break
			currmachine=""
			if [[ ${ROOT} == "/" ]] && [[ -e /usr/lib/libcrypto.so ]] ; then
				currmachine=$(strings /usr/lib/libcrypto.so | grep ^linux-alpha | sed -e s:linux-::)
			fi
			machine=${currmachine:-alpha-${compiler}}

			# NOTE: drop this crap next time SSL changes ABI #'s
			[[ ${PV:0:5} != "0.9.7" ]] && machine="plzupdatemekthxbye"
			;;

		arm*b*)       machine="elf-arm -DB_ENDIAN";;
		arm*)         machine="elf-arm -DL_ENDIAN";;
	#	hppa64*)      machine=parisc64;;
		hppa*)        machine=parisc;;
		i[0-5]86*)    machine=elf;;
		i[6-9]86*)    machine=pentium;;
		ia64*)        machine=ia64;;
		m68*)         machine=m68k;;
		mips*el*)     machine=mipsel;;
		mips*)        machine=mips;;
		powerpc64*)   machine=ppc64;;
		powerpc*)     machine=ppc;;
	#	sh64*)        machine=elf;;
		sh*b*)        machine="elf-sh -DB_ENDIAN";;
		sh*)          machine="elf-sh -DL_ENDIAN";;
		sparc*v7*)    machine=sparcv7;;
		sparc64*)     machine=sparcv9;;
		sparc*)       machine=sparcv8;;
		s390x*)       machine=s390x;;
		s390*)        machine=s390;;
		x86_64*)      machine=x86_64;;
	esac
	;;
FreeBSD)
	case ${chost_machine} in
		sparc64*)     machine=sparc64;;
		ia64*)        machine=ia64;;
		alpha*)       machine=alpha;;
		x86_64*)      machine=amd64;;
		*)            machine=elf;;
	esac
	;;
esac


# If we have something, show it
[[ -n ${machine} ]] && echo ${system}-${machine}