# $Id: PKGBUILD 58551 2009-11-08 22:37:12Z eric $
# Maintainer: dorphell <dorphell@archlinux.org>
# Maintainer: Travis Willard <travis@archlinux.org>
# Maintainer: Douglas Soares de Andrade <douglas@archlinux.org>

pkgname=libpng
pkgver=1.2.40
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-1.2.38-apng.patch.gz")
md5sums=('29bbd1c3cbe54b04bfc2bda43067ccb5' '40ee503d0ff5386ad537df2162fb9c4e')
sha1sums=('776cf18a799af58303590f6996f6d3aa5a7908ff' '1746e03734b2967481330ade3fb8513896ec2f95')

build() {
  cd "${srcdir}/${pkgname}-${pkgver}"

  # Add animated PNG (apng) support
  # see http://hp.vector.co.jp/authors/VA013651/freeSoftware/apng.html
  patch -p1 -i "${srcdir}/libpng-1.2.38-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="${pkgdir}" install || return 1

  cd contrib/pngminus
  make ECHO=echo 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" || return 1
}
