# $Id: PKGBUILD 22148 2008-12-22 12:33:23Z pierre $
# Maintainer: dorphell <dorphell@archlinux.org>
# Maintainer: Travis Willard <travis@archlinux.org>
# Maintainer: Douglas Soares de Andrade <douglas@archlinux.org>

pkgname=libpng
pkgver=1.2.34
pkgrel=1
pkgdesc="A collection of routines used to create PNG format graphics files"
arch=('i686' 'x86_64')
url="http://www.libpng.org/pub/png/libpng.html"
license=('custom')
depends=('zlib')
options=('!libtool')
source=("http://downloads.sourceforge.net/sourceforge/${pkgname}/${pkgname}-${pkgver}.tar.bz2"
        "http://hp.vector.co.jp/authors/VA013651/lib/libpng-${pkgver}-apng.patch.gz")
options=('!libtool')
md5sums=('37362876feb21344fd3af1228527db0f'
         'a7ee9fd9af34692b75eedd5b03b69ca9')

build() {
  cd ${startdir}/src/${pkgname}-${pkgver}

  # Add animated PNG (apng) support
  # see http://hp.vector.co.jp/authors/VA013651/freeSoftware/apng.html
  patch -p1 -i $srcdir/libpng-${pkgver}-apng.patch || return 1

  libtoolize --force --copy || return 1
  aclocal || return 1
  autoconf || return 1
  automake --add-missing || return 1

  ./configure --prefix=/usr || return 1
  make ECHO=echo || return 1
  make ECHO=echo DESTDIR=${startdir}/pkg install || return 1

  cd contrib/pngminus
  make ECHO=echo PNGLIB="-L${startdir}/pkg/usr/lib -lpng" -f makefile.std png2pnm pnm2png
  install -m755 png2pnm pnm2png ${startdir}/pkg/usr/bin/
  install -m755 -d ${startdir}/pkg/usr/share/licenses/${pkgname}
  install -m644 ../../LICENSE ${startdir}/pkg/usr/share/licenses/${pkgname}/ || return 1
}