#!/bin/sh

# Slackware build script for gnu-efi

# Copyright 2009-2013 Heinz Wiesinger, Amsterdam, The Netherlands
# Copyright 2013  Patrick J. Volkerding, Sebeka, MN, USA
# 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.

PKGNAM=gnu-efi
VERSION=${VERSION:-$(echo $PKGNAM_*.tar.?z* | rev | cut -f 4- -d . | cut -f 1 -d _ | rev)}
INTERNALVER=$(echo $VERSION | tr -d [a-z])
BUILD=${BUILD:-1}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

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

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PKGNAM-$INTERNALVER
tar xvf $CWD/${PKGNAM}_$VERSION.orig.tar.?z* || exit 1
cd $PKGNAM-$INTERNALVER || exit 1
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

make CPPFLAGS="$SLKCFLAGS" || exit 1
make CPPFLAGS="$SLKCFLAGS" install INSTALLROOT=$PKG || exit

# Fix install locations:
mkdir -p $PKG/usr
mv $PKG/include $PKG/usr/include
mv $PKG/lib $PKG/usr/lib${LIBDIRSUFFIX}
mkdir $PKG/usr/lib${LIBDIRSUFFIX}/gnuefi
mv $PKG/usr/lib${LIBDIRSUFFIX}/*.lds $PKG/usr/lib${LIBDIRSUFFIX}/gnuefi
mv $PKG/usr/lib${LIBDIRSUFFIX}/crt0*.o $PKG/usr/lib${LIBDIRSUFFIX}/gnuefi

# Strip binaries:
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a ChangeLog README* \
 $PKG/usr/doc/$PKGNAM-$VERSION

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD.txz