PKGBUILDs/extra/libpng/PKGBUILD

# Maintainer: dorphell <dorphell@archlinux.org>
# Maintainer: Travis Willard <travis@archlinux.org>
# Maintainer: Douglas Soares de Andrade <douglas@archlinux.org>

pkgname=libpng
pkgver=1.2.37
pkgrel=1
pkgdesc="A collection of routines used to create PNG format graphics files"
arch=('arm')
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-1.2.37-apng.patch.gz)
md5sums=('6d1ee0888dbb711214943cb19c294b49'
         'b68c5b29e3b34f2ed73b3897b8a6c2b2')

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-1.2.37-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
}