#!/bin/sh
# $Id$
# Copyright 2006-2013  Eric Hameleers, Eindhoven, NL
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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.
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:        Eric Hameleers <alien@slackware.com>
# For:       fontforge
# Descr:     an outline font editor
# URL:       http://fontforge.sourceforge.net/
# Needs:     (optionally during compilation) freetype sources
# Changelog:
# 20061014-1: 18/Oct/2006 by Eric Hameleers <alien@slackware.com>
#             * Initial build.
# 20070831-1: 15/Sep/2007 by Eric Hameleers <alien@slackware.com>
#             * Update; new SlackBuild, and a Slackware 12.0 package.
# 20071210-1: 31/dec/2007 by Eric Hameleers <alien@slackware.com>
#             * Update;
# 20080203-1: 10/feb/2008 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20080429-1: 06/may/2008 by Eric Hameleers <alien@slackware.com>
#             * Update, also build for Slackware 12.1.
# 20080828-1: 24/sep/2008 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20081117-1: 08/dec/2008 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20081215-1: 22/dec/2008 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20081224-1: 02/jan/2009 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20090408-1: 28/may/2009 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20090914-1: 15/sep/2009 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20100501-1: 29/may/2010 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 20110222-1: 25/mar/2012 by Eric Hameleers <alien@slackware.com>
#             * Update. Automatically download and use freetype library.
# 20120731-1: 03/nov/2013 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 
# Run 'sh fontforge.SlackBuild' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

PRGNAM=fontforge
VERSION=${VERSION:-20120731-b}
PKGVER=$(echo $VERSION | tr - _)
BUILD=${BUILD:-1}
TAG=${TAG:-alien}

FREETYPE=${FREETYPE:-2.5.0.1}

DOCS="AUTHORS LICENSE README-unix VERSION"

# Where do we look for sources?
SRCDIR=$(cd $(dirname $0); pwd)

# Fontforge uses the Freetype sources for better TTF font support.
# Additionally, Fontforge can enable the bytecode interpreter (this can lead to
# patent issues in certain countries if you distribute the resulting binaries).
# Set USE_BYTECODE="YES" in order to enable the bytecode interpreter.
USE_BYTECODE=${USE_BYTECODE:-"NO"}

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

SOURCE[0]="$SRCDIR/${PRGNAM}_full-${VERSION}.tar.bz2"
SRCURL[0]="http://downloads.sourceforge.net/${PRGNAM}/${PRGNAM}_full-${VERSION}.tar.bz2"

SOURCE[1]="$SRCDIR/cidmaps.tgz"
SRCURL[1]="http://fontforge.sf.net/cidmaps.tgz"

SOURCE[2]="$SRCDIR/freetype-${FREETYPE}.tar.gz"
SRCURL[2]="http://downloads.sourceforge.net/freetype/freetype-${FREETYPE}.tar.gz"

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Automatically determine the architecture we're building on:
MARCH=$( uname -m )
if [ -z "$ARCH" ]; then
  case "$MARCH" in
    i?86)    export ARCH=i486 ;;
    armv7hl) export ARCH=$MARCH ;;
    arm*)    export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *)       export ARCH=$MARCH ;;
  esac
fi

case "$ARCH" in
  i486)      SLKCFLAGS="-O2 -march=i486 -mtune=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  x86_64)    SLKCFLAGS="-O2 -fPIC"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ;;
  armv7hl)   SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ;;
  *)         SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
esac

case "$ARCH" in
    arm*) TARGET=$ARCH-slackware-linux-gnueabi ;;
    *)    TARGET=$ARCH-slackware-linux ;;
esac

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Save old umask and set to 0022:
_UMASK_=$(umask)
umask 0022

# Create working directories:
mkdir -p $OUTPUT          # place for the package to be saved
mkdir -p $TMP/tmp-$PRGNAM # location to build the source
mkdir -p $PKG             # place for the package to be built
rm -rf $PKG/*             # always erase old package's contents
rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build
rm -rf $OUTPUT/{configure,make,install,error,makepkg}-$PRGNAM.log
                          # remove old log files

# Source file availability:
for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  if ! [ -f ${SOURCE[$i]} ]; then
    echo "Source '$(basename ${SOURCE[$i]})' not available yet..."
    # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
    [ -w "$SRCDIR" ] || SOURCE[$i]="$OUTPUT/$(basename ${SOURCE[$i]})"
    if [ -f ${SOURCE[$i]} ]; then echo "Ah, found it!"; continue; fi
    if ! [ "x${SRCURL[$i]}" == "x" ]; then
      echo "Will download file to $(dirname $SOURCE[$i])"
      wget -nv -T 20 -O "${SOURCE[$i]}" "${SRCURL[$i]}" || true
      if [ $? -ne 0 -o ! -s "${SOURCE[$i]}" ]; then
        echo "Fail to download '$(basename ${SOURCE[$i]})'. Aborting the build."
        mv -f "${SOURCE[$i]}" "${SOURCE[$i]}".FAIL
        exit 1
      fi
    else
      echo "File '$(basename ${SOURCE[$i]})' not available. Aborting the build."
      exit 1
    fi
  fi
done

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

# Explode the package framework:
if [ -f $SRCDIR/_$PRGNAM.tar.gz ]; then
  cd $PKG
  explodepkg $SRCDIR/_$PRGNAM.tar.gz
  cd -
fi

cd $TMP/tmp-$PRGNAM
echo "Extracting the source archive(s) for $PRGNAM..."
for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  tar -xvf ${SOURCE[$i]}
done

# Define the freetype related options:
FREETYPE_OPTS="--with-freetype-src=$TMP/tmp-$PRGNAM/freetype-${FREETYPE}"

# Use bytecode interpreter?
if [ "$USE_BYTECODE" == "YES" -a "x$FREETYPE_OPTS" != "x" ]; then
  echo ">>> Enabling freetype's byte code interpreter."
  FREETYPE_OPTS="$FREETYPE_OPTS --with-freetype-bytecode"
fi

# Read README-unix for the 'why' of the cidmaps:
mkdir ${PRGNAM}-${VERSION}/cidmap
mv *.cidmap ${PRGNAM}-${VERSION}/cidmap/

cd ${PRGNAM}-${VERSION}
chown -R root:root .
chmod -R u+w,go+r-w,a+X-s .

echo Building ...
LDFLAGS="$SLKLDFLAGS" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --localstatedir=/var \
  --sysconfdir=/etc \
  --enable-devicetables \
  --enable-libff \
  --enable-longdouble \
  --enable-pasteafter \
  --enable-pyextension \
  --enable-tilepath \
  --enable-type3 \
  --disable-static \
  --with-x \
  ${FREETYPE_OPTS} \
  --program-prefix= \
  --program-suffix= \
  --build=$TARGET \
  2>&1 | tee $OUTPUT/configure-${PRGNAM}.log
  # Using this, the man pages go into the root instead of $PKG
  # --mandir=/usr/man \

make 2>&1 | tee $OUTPUT/make-${PRGNAM}.log

# Install all the needed stuff to the package dir
mkdir -p $PKG/usr/{bin,lib${LIBDIRSUFFIX},man,share}
make prefix=$PKG/usr libdir=$PKG/usr/lib${LIBDIRSUFFIX} install \
  2>&1 |tee $OUTPUT/install-${PRGNAM}.log

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;

# Compress the man page(s):
if [ -d $PKG/usr/share/man ]; then
  mv $PKG/usr/share/man $PKG/usr/
  rmdir --ignore-fail-on-non-empty $PKG/usr/share
fi
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

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

# Add a package description:
mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc
if [ -f $SRCDIR/doinst.sh ]; then
  cat $SRCDIR/doinst.sh >> $PKG/install/doinst.sh
fi

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${PKGVER}-${ARCH}-${BUILD}${TAG}.tgz 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${PKGVER}-${ARCH}-${BUILD}${TAG}.tgz > ${PRGNAM}-${PKGVER}-${ARCH}-${BUILD}${TAG}.tgz.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${PKGVER}-${ARCH}-${BUILD}${TAG}.txt

# Restore the original umask:
umask ${_UMASK_}