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# $Id: PKGBUILD 68898 2012-04-05 07:36:47Z ibiru $
# Maintainer: Jan de Groot <jgc@archlinux.org>
# Contributor: dorphell <dorphell@archlinux.org>
# Contributor: Travis Willard <travis@archlinux.org>
# Contributor: Douglas Soares de Andrade <douglas@archlinux.org>

_pkgbasename=libpng
pkgname=lib32-$_pkgbasename
pkgver=1.5.10
_apngver=1.5.10
_libversion=15
pkgrel=2
pkgdesc="A collection of routines used to create PNG format graphics files (32-bit)"
arch=('x86_64')
url="http://www.libpng.org/pub/png/libpng.html"
license=('custom')
depends=('lib32-zlib' $_pkgbasename)
makedepends=(gcc-multilib)
options=('!libtool')
source=("http://downloads.sourceforge.net/sourceforge/${_pkgbasename}/${_pkgbasename}-${pkgver}.tar.xz"
        "http://downloads.sourceforge.net/sourceforge/libpng-apng/libpng-${_apngver}-apng.patch.gz")
md5sums=('9c2ac3c3a31de2ab867875718f8de18e'
         '88517ab0e9c0be2590800116e2b50c8d')

build() {
  export CC="gcc -m32"
  export CXX="g++ -m32"
  export PKG_CONFIG_PATH="/usr/lib32/pkgconfig"

  cd "${srcdir}/${_pkgbasename}-${pkgver}"

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

  ./configure --prefix=/usr --libdir=/usr/lib32 --program-suffix=-32
  make
}

package() {
  cd "${srcdir}/${_pkgbasename}-${pkgver}"

  make DESTDIR="${pkgdir}" install

  cd contrib/pngminus
  make PNGLIB="-L${pkgdir}/usr/lib32 -lpng" -f makefile.std png2pnm pnm2png

  rm -rf "${pkgdir}"/usr/{include,share}

  rm "$pkgdir/usr/bin/libpng-config"
  ln -s "libpng${_libversion}-config-32" "$pkgdir/usr/bin/libpng-config-32"

  mkdir -p "$pkgdir/usr/share/licenses"
  ln -s $_pkgbasename "$pkgdir/usr/share/licenses/$pkgname"
}