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#!/bin/sh
# Copyright 2005-2012 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.
VERSION_OLD=1.2.50
VERSION_NEW=1.4.12
BUILD=${BUILD:-1}
# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
case "$( uname -m )" in
i?86) export ARCH=i486 ;;
arm*) export ARCH=arm ;;
# Unless $ARCH is already set, use uname -m for all other archs:
*) export ARCH=$( uname -m ) ;;
esac
fi
if [ "$ARCH" = "x86_64" ]; then
LIBDIRSUFFIX="64"
else
LIBDIRSUFFIX=""
fi
CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-libpng
rm -rf $PKG
mkdir -p $TMP $PKG/usr
build_source() {
cd $TMP
rm -rf libpng-$VERSION
tar xvf $CWD/libpng-$VERSION.tar.?z* || exit 1
cd libpng-$VERSION
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 {} \;
# Look like using ./configure is the only way that works now...
./configure --prefix=/usr \
--libdir=/usr/lib${LIBDIRSUFFIX} \
--mandir=/usr/man
make -j4 prefix=/usr LIBPATH=/usr/lib${LIBDIRSUFFIX} ZLIBLIB="-L/usr/lib${LIBDIRSUFFIX} -lm -lz" || exit 1
make install prefix=/usr LIBPATH=/usr/lib${LIBDIRSUFFIX} ZLIBLIB="-L/usr/lib${LIBDIRSUFFIX} -lm -lz" DESTDIR=$PKG
# I'm ditching this to see if anyone cares.
#
## This symlink is needed to keep old applications running:
## I guess the real lib used the major number 3, then 0 for
## a short while, and now .3 again. Hopefully it will stay
## this way as it was .3 in Slackware 10.2. One can hope.
#( cd $PKG/usr/lib${LIBDIRSUFFIX}
# if [ ! -e libpng.so.0 -a -e libpng.so.3 ]; then
# ln -sf libpng.so.3 libpng.so.0
# fi
#)
# Well, glad I got rid of the above, but <someone> upstream still does not
# grok shared libraries on Linux it seems -- libpng-1.4.0 caused all the
# newly compiled binaries to want libpng.so.14, and now libpng-1.4.1
# wants to change that to libpng14.so.14. Searching online finds that
# we are not the only ones with binaries that want libpng.so.14, so we
# are forced to provide a compatibility symlink again... :-/
#
# We'll try to remove this in 5 to 10 years, just like before.
( cd $PKG/usr/lib${LIBDIRSUFFIX}
if [ ! -e libpng.so.14 -a -e libpng14.so.14 ]; then
ln -sf libpng14.so.14 libpng.so.14
fi
)
find $PKG | xargs file | grep -e "executable" -e "shared object" \
| grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
gzip -9 --force $PKG/usr/man/man?/*.?
mkdir -p $PKG/usr/doc/libpng-$VERSION
cp -a \
ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \
libpng*.txt example.c \
$PKG/usr/doc/libpng-$VERSION
# 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 ChangeLog ]; then
DOCSDIR=$(echo $PKG/usr/doc/libpng-$VERSION)
cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
touch -r ChangeLog $DOCSDIR/ChangeLog
fi
}
# Build the 1.2 version:
VERSION=$VERSION_OLD
build_source
# Build the 1.4 version:
VERSION=$VERSION_NEW
build_source
# Default the includes to version 1.4.x:
( cd $PKG/usr/include ; ln -sf libpng14 libpng )
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cd $PKG
/sbin/makepkg -l y -c n $TMP/libpng-$VERSION-$ARCH-$BUILD.txz
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