#!/bin/bash
# Copyright 2015, 2018 Patrick J. Volkerding, Sebeka, Minnesota, 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.
cd $(dirname $0) ; CWD=$(pwd)
PKGNAM=libpng
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.xz | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}
# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
case "$(uname -m)" in
i?86) ARCH=i586 ;;
arm*) readelf /usr/bin/file -A | egrep -q "Tag_CPU.*[4,5]" && ARCH=arm || ARCH=armv7hl ;;
# Unless $ARCH is already set, use uname -m for all other archs:
*) ARCH=$(uname -m) ;;
esac
export ARCH
fi
# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
exit 0
fi
NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}
if [ "$ARCH" = "i386" ]; then
SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "i486" ]; then
SLKCFLAGS="-O2 -march=i486 -mtune=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "i586" ]; then
SLKCFLAGS="-O2 -march=i586 -mtune=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
SLKCFLAGS="-O2 -march=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
SLKCFLAGS="-O2"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
SLKCFLAGS="-O2 -fPIC"
LIBDIRSUFFIX="64"
elif [ "$ARCH" = "armv7hl" ]; then
SLKCFLAGS="-O3 -march=armv7-a -mfpu=vfpv3-d16"
LIBDIRSUFFIX=""
else
SLKCFLAGS="-O2"
LIBDIRSUFFIX=""
fi
TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM
rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PKGNAM-$VERSION
tar xvf $CWD/$PKGNAM-$VERSION.tar.xz || exit 1
cd $PKGNAM-$VERSION || exit 1
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 {} \+
# Configure:
CFLAGS="$SLKCFLAGS" \
./configure \
--prefix=/usr \
--sysconfdir=/etc \
--libdir=/usr/lib${LIBDIRSUFFIX} \
--includedir=/usr/include \
--mandir=/usr/man \
--disable-static \
--build=$ARCH-slackware-linux || exit 1
# Build and install:
make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1
# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la
# 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
)
# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \
libpng*.txt example.c \
$PKG/usr/doc/${PKGNAM}-$VERSION
# Compress and if needed symlink the man pages:
if [ -d $PKG/usr/man ]; then
( cd $PKG/usr/man
for manpagedir in $(find . -type d -name "man*") ; do
( cd $manpagedir
for eachpage in $( find . -type l -maxdepth 1) ; do
ln -s $( readlink $eachpage ).gz $eachpage.gz
rm $eachpage
done
gzip -9 *.?
)
done
)
fi
# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r CHANGES ]; then
DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
cat CHANGES | head -n 1000 > $DOCSDIR/CHANGES
touch -r CHANGES $DOCSDIR/CHANGES
fi
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
