#!/bin/sh

# Copyright 2005-2009  Patrick J. Volkerding, Sebeka, Minnesota, USA
# Copyright 2010 Heinz Wiesinger, Amsterdam, The Netherlands
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.

SRCNAM=binutils
SRCVER=2.20.51.0.11
ARCH=${ARCH:-$(uname -m)}
CROSS=${CROSS:-armv5te}
BUILD=${BUILD:-1}
TAG=${TAG:-cyco}

PRGNAM=cross-$SRCNAM
VERSION=${SRCVER}_$CROSS

CWD=$(pwd)
TMP=${TMP:-/tmp/$TAG}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $SRCNAM-$SRCVER
tar xvf $CWD/$SRCNAM-$SRCVER.tar.?z*
cd $SRCNAM-$SRCVER
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/opt/cross-$CROSS \
  --libdir=/opt/cross-$CROSS/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man/ \
  --with-docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-shared \
  --enable-multilib \
  --enable-64-bit-bfd \
  --enable-targets=$CROSS-slackware-linux \
  --build=$ARCH-slackware-linux \
  --target=$CROSS-slackware-linux

make clean
make
make install DESTDIR=$PKG

rm -fr $PKG/opt/cross-$CROSS/share/info

# "make install" skips this, but binutils.spec doesn't.  Sneaky, huh?
cp -a include/libiberty.h \
  $PKG/opt/cross-$CROSS/$ARCH-slackware-linux/$CROSS-slackware-linux/include/libiberty.h

## Differentiate between BSD strings and GNU strings
#mv $PKG/opt/cross-$CROSS/bin/$CROSS-slackware-linux-strings \
#  $PKG/opt/cross-$CROSS/bin/$CROSS-slackware-linux-strings-GNU
#mv $PKG/usr/man/man1/$CROSS-slackware-linux-strings.1 \
#  $PKG/usr/man/man1/$CROSS-slackware-linux-strings-GNU.1

# Move ldscripts to /usr/lib${LIBDIRSUFFIX}, and then put symlinks in place
mv $PKG/opt/cross-$CROSS/${CROSS}-slackware-linux/lib/ldscripts $PKG/opt/cross-$CROSS/lib${LIBDIRSUFFIX}
cd $PKG/opt/cross-$CROSS/${CROSS}-slackware-linux
  ln -s /opt/cross-$CROSS/lib${LIBDIRSUFFIX}/ldscripts lib/ldscripts
  for FILE in ar as ld nm objcopy objdump ranlib strip ; do
    if [ -r "/opt/cross-$CROSS/bin/$FILE" ]; then
      rm -f bin/$FILE
      ln -s /opt/cross-$CROSS/bin/$CROSS-slackware-linux-$FILE bin/$FILE
    fi
  done
cd -

find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Remove some unneeded man pages, and then compress the rest
rm -f $PKG/usr/man/man1/{dlltool,windres}.1
( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $(find . -type l) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp \
  $CWD/release.binutils-* \
  COPYING* ChangeLog.linux MAI* README* \
  $PKG/usr/doc/$PRGNAM-$VERSION
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION

# Add slack-desc:
mkdir -p $PKG/install
cat <<EOF > $PKG/install/slack-desc
              |-----handy-ruler------------------------------------------------------|
cross-binutils: cross-binutils ($CROSS cross compile binary development tools)
cross-binutils:
cross-binutils: This is a setup of binutils for cross compiling to $CROSS.
cross-binutils:
cross-binutils:
cross-binutils:
cross-binutils:
cross-binutils:
cross-binutils:
cross-binutils:
cross-binutils:
EOF

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}