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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.


PKGNAM=freetype
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.xz | cut -d - -f 2 | rev | cut -f 3- -d . | rev)}
BUILD=${BUILD:-2_slack13.0}

NUMJOBS=${NUMJOBS:-" -j7 "}

# 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 [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

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

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf freetype-$VERSION
tar xvf $CWD/freetype-$VERSION.tar.xz || exit 1
cd freetype-$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 {} \;

# This breaks far too many things.  Freetype2 developers will have to get their
# punishment on someone else's distribution.
zcat $CWD/freetype.illadvisederror.diff.gz | patch -p1 --verbose || exit 1

# The line below enables code patented by Microsoft, so don't uncomment it
# unless you have a license to use the code and take all legal responsibility
# for doing so.
# Please see this web site for more details:
#   http://www.freetype.org/patents.html
#zcat $CWD/freetype.subpixel.rendering.diff.gz | patch -p1 --verbose || exit 1

# Security fix:
zcat $CWD/freetype.CVE-2017-8287.diff.gz | patch -p1 --verbose || exit 1

chown -R root:root .
CFLAGS="$SLKCFLAGS" make setup CFG="--prefix=/usr --libdir=/usr/lib${LIBDIRSUFFIX} --build=$ARCH-slackware-linux"
make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG

# This shouldn't be needed (apps should pick up -I/usr/include/freetype2 from
# `freetype-config --cflags` while compiling), but it's so often reported as
# a bug that I'll give in to the point.  Now that Freetype1 is pretty much gone
# having this link shouldn't hurt anything.  Try not to rely on it, though.
mkdir -p $PKG/usr/include
( cd $PKG/usr/include
  rm -rf freetype
  ln -sf freetype2 freetype
)

# Can't imagine a lot of use for this:
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/*.a

find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

mv $PKG/usr/share/man $PKG/usr/man
find $PKG/usr/man -type f -exec gzip -9 {} \;

mkdir -p $PKG/usr/doc/freetype-$VERSION
cp -a \
  docs \
  README \
  $PKG/usr/doc/freetype-$VERSION
# too much
rm -rf $PKG/usr/doc/freetype-$VERSION/docs/reference

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

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