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# Contributor: Carlo Landmeter <clandmeter@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=libpng
pkgver=1.6.15
_apngver=$pkgver
pkgrel=0
pkgdesc="Portable Network Graphics library"
url="http://www.libpng.org/"
arch="all"
license="GPL"
depends=
depends_dev="zlib-dev"
makedepends="$depends_dev gawk"
subpackages="$pkgname-doc $pkgname-dev"
source="http://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.gz
	http://downloads.sourceforge.net/sourceforge/libpng-apng/libpng-$_apngver-apng.patch.gz
	"

_builddir="$srcdir/$pkgname-$pkgver"

prepare() {
	cd "$_builddir"
	gunzip -c "$srcdir"/libpng-$pkgver-apng.patch.gz | patch -p1 || return 1
}

build() {
	cd "$_builddir"
	./configure \
		--build=$CBUILD \
		--host=$CHOST \
		--prefix=/usr \
		|| return 1
	make
}

package() {
	cd "$srcdir/$pkgname-$pkgver"
	make DESTDIR="$pkgdir" install
	install -Dm644 LICENSE "${pkgdir}"/usr/share/licenses/${pkgname}/LICENSE || return 1
	rm -f "$pkgdir"/usr/lib/*.la
}

md5sums="829a256f3de9307731d4f52dc071916d  libpng-1.6.15.tar.gz
612524080d5515f4ea81541a9b13bf61  libpng-1.6.15-apng.patch.gz"
sha256sums="dc4f90ff3ba4559b5eb653da9058e3d862d5e8162fe2612f9339a6f6d2a2139d  libpng-1.6.15.tar.gz
8b86508a323782247e5ab058fb8acba7b777fdeaba6eb55e811bd618b9dafd66  libpng-1.6.15-apng.patch.gz"
sha512sums="50d072e694814020047345045e12130445b06f4b14b2ea5853c4dd0f7d8729dd92a7d6eb67c355591b493aaca942bdc9ae66d0fc3daf6051a431a53cc665ae24  libpng-1.6.15.tar.gz
d3e7ad1b5d8b2ce7ad5f8e76cd2f9fb4642305b10ea191fc5b59977c7ed76f76fb3201551d1845d52191a14f8d83dcf99204db14ef0ee2e81e1fca5a57bfa62e  libpng-1.6.15-apng.patch.gz"