# Maintainer: Anke Boersma <abveritas@chakra-project.org>

pkgname=libpng
pkgver=1.6.3
_apngver=1.6.3
pkgrel=1
pkgdesc="A collection of routines used to create PNG format graphics files"
arch=('x86_64')
url="http://www.libpng.org/pub/png/libpng.html"
license=('custom')
depends=('zlib' 'sh')
options=('!libtool')
source=("http://downloads.sourceforge.net/sourceforge/$pkgname/$pkgname-$pkgver.tar.xz"
        "http://downloads.sourceforge.net/sourceforge/libpng-apng/libpng-$_apngver-apng.patch.gz")
sha1sums=('adc60a2c117a0929e18bf357e0a1e6115a9e3b76'
          '3472f2e882301a76e3207a785344f69974a5a040')

prepare() {
  cd "$pkgname-$pkgver"

  # Add animated PNG (apng) support
  # see http://sourceforge.net/projects/libpng-apng/
  patch -p1 -i "$srcdir/libpng-$_apngver-apng.patch"
}
 
build() {
  cd "$pkgname-$pkgver"

  ./configure --prefix=/usr
  make
}

package() {
  cd "$pkgname-$pkgver"
  make DESTDIR="$pkgdir" install

  cd contrib/pngminus
  make PNGLIB="-L$pkgdir/usr/lib -lpng" -f makefile.std png2pnm pnm2png
  install -m755 png2pnm pnm2png "$pkgdir/usr/bin/"
  install -D -m644 ../../LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}