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#!/bin/sh

# Slackware build script to install the LAPACK sources needed for a full
# LAPACK+ATLAS installation

# Copyright 2010-2016 Serban Udrea <s.udrea@gsi.de>
# 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.

PRGNAM=lapack
VERSION=${VERSION:-3.6.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH="$( uname -m )" ;;
  esac
fi

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

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH="$( uname -m )" ;;
  esac
fi

set -e
DEST_DIR="usr/share/lapack-atlas"
DOC_DIR="usr/doc/lapack-atlas"
rm -rf "$PKG"
mkdir -p "$TMP" "$PKG" "$OUTPUT"
cd "$TMP"
rm -rf "$PRGNAM-$VERSION"
mkdir -p "${PKG}/${DEST_DIR}" "${PKG}/${DOC_DIR}"
install -m644 "$CWD/README" "$CWD/lapack-atlas.SlackBuild" "${PKG}/${DOC_DIR}"
cp -ua "$CWD/${PRGNAM}-${VERSION}.tgz" "${PKG}/${DEST_DIR}"
cd "${PKG}/${DEST_DIR}"
ln -s "${PRGNAM}-${VERSION}.tgz" lapack.tgz
cd "$PKG"
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

mkdir -p "$PKG/install"
cat "$CWD/slack-desc" > "$PKG/install/slack-desc"
/sbin/makepkg -l y -c n "$OUTPUT/$PRGNAM-atlas-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}"