#!/bin/sh
# Slackware build script for BLAS
# Copyright 2014 Kyle Guinn <elyk03@gmail.com>, 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.
PRGNAM=blas
SRCNAM=lapack
VERSION=${VERSION:-3.5.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
if [ -z "$ARCH" ]; then
case "$(uname -m)" in
i?86) ARCH=i486 ;;
arm*) ARCH=arm ;;
*) ARCH=$(uname -m) ;;
esac
fi
CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}
DOCS="LICENSE"
if [ "$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
set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tgz
cd $SRCNAM-$VERSION
chown -R root:root .
chmod -R u+w,go-w,a+rX-st .
# `make install` wants to compile and install the rest of lapack,
# so install files manually instead.
#
# Avoid adding an RPATH entry to the shared lib. It's unnecessary, and
# since we're not running `make install` we don't want to end up with
# a temporary RPATH that refers to the build directory.
#
# WARNING: The SONAME is "libblas.so", not "libblas.so.0" nor
# "libblas.so.$MAJOR" as crafted in previous versions of this script.
# I don't know if this is intentional or an omission by upstream.
mkdir -p shared
cd shared
cmake \
-DCMAKE_Fortran_FLAGS:STRING="$SLKCFLAGS" \
-DCMAKE_INSTALL_PREFIX=/usr \
-DLIB_SUFFIX=${LIBDIRSUFFIX} \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_RULE_MESSAGES=OFF \
-DCMAKE_VERBOSE_MAKEFILE=TRUE \
-DBUILD_SHARED_LIBS=ON \
-DCMAKE_SKIP_RPATH=YES \
..
make blas/fast
install -D -m0755 -s lib/libblas.so $PKG/usr/lib${LIBDIRSUFFIX}/libblas.so
install -D -m0644 BLAS/blas.pc $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/blas.pc
cd ..
# cmake doesn't appear to let us build both shared and static libs
# at the same time, so build it twice. This may build a non-PIC library
# on some architectures, which should be faster.
mkdir -p static
cd static
cmake \
-DCMAKE_Fortran_FLAGS:STRING="$SLKCFLAGS" \
-DCMAKE_INSTALL_PREFIX=/usr \
-DLIB_SUFFIX=${LIBDIRSUFFIX} \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_RULE_MESSAGES=OFF \
-DCMAKE_VERBOSE_MAKEFILE=TRUE \
..
make blas/fast
install -D -m0644 lib/libblas.a $PKG/usr/lib${LIBDIRSUFFIX}/libblas.a
cd ..
# Fix the pkg-config file:
# 1. Version is missing.
# 2. -L is hard-coded when a variable exists.
sed -i \
-e "/^Version:/cVersion: ${VERSION}" \
-e "/^Libs:/s/-L[^ ]*/-L\${libdir}/" \
$PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/blas.pc
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
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