libc

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#!/bin/sh

#$Id$

#This file is part of DeforaOS System libc

#Redistribution and use in source and binary forms, with or without

#modification, are permitted provided that the following conditions are met:

# * Redistributions of source code must retain the above copyright notice, this

# list of conditions and the following disclaimer.

# * Redistributions in binary form must reproduce the above copyright notice,

# this list of conditions and the following disclaimer in the documentation

# and/or other materials provided with the distribution.

#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

#AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

#IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

#FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

#DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

#OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#variables

PROGNAME="cross.sh"

TARGETS="all"

UNAME=$(uname -s)

#executables

GCC="gcc"

MAKE="make"

MKTEMP="mktemp"

RM="rm -f"

#functions

#cross

_cross()

{

[ $# -ge 1 -a $# -le 2 ] || return 1

cppflags="-U__${UNAME}__ -D__${1}__"

make="$MAKE CPPFLAGS=\"$cppflags\""

[ $# -eq 2 ] && make="$make CC=\"$2\""

objdir=$($MKTEMP -d)

[ $? -eq 0 ] || return 2

(cd .. && sh -c "$make OBJDIR='$objdir/' $TARGETS")

ret=$?

[ $ret -eq 0 ] || echo "$PROGNAME: $1: Could not cross-build" 1>&2

$RM -r -- "$objdir"

return $ret

}

#cross_all

_cross_all()

{

for system in APPLE FreeBSD linux NetBSD OpenBSD; do

_cross "$system" "$@" || return 2

done

}

#main

_cross_all || exit 2

case $(uname -m) in

amd64|sparc64|x86_64)

_cross_all "$GCC -m32" || exit 2

;;

esac