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# Contributor: Carlo Landmeter <clandmeter@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=libpng
pkgver=1.6.27
_apngver=1.6.26
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

	libpng-fix-arm-neon.patch
	"

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

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

build() {
	cd "$builddir"
	./configure \
		--build=$CBUILD \
		--host=$CHOST \
		--prefix=/usr \
		--sysconfdir=/etc \
		--mandir=/usr/share/man \
		--localstatedir=/var \
		|| return 1
	make || return 1
}

package() {
	cd "$builddir"
	make DESTDIR="$pkgdir" install || return 1
	install -Dm644 LICENSE \
		"$pkgdir"/usr/share/licenses/$pkgname/LICENSE || return 1
}

md5sums="58698519e9f6126c1caeefc28dbcbd5f  libpng-1.6.27.tar.gz
921d2717418bf74b40b94191c8b282c7  libpng-1.6.26-apng.patch.gz
e58c8d9a4086999456de13b2c4b9e224  libpng-fix-arm-neon.patch"
sha256sums="c9d164ec247f426a525a7b89936694aefbc91fb7a50182b198898b8fc91174b4  libpng-1.6.27.tar.gz
01dec904d91ee8c90a9a78f253d01d8fac0e37a3f4beacb60e136ea7c814d72c  libpng-1.6.26-apng.patch.gz
db38cd0a8ae637e1bf2dca464a2068a40576346d16ae929f20dc712d21870316  libpng-fix-arm-neon.patch"
sha512sums="fac2945fec7ad24c47775d1e8c6d6c84c198e0286349e9b51424da5400735c62c70fd61f5f14a6effa5f2db3113e754e61eb1c52bcaac231a2760315031f79ba  libpng-1.6.27.tar.gz
e5831b8c5fbe963d6625dd55c656708997d41d9ac91173777560dd7d4a01beaa7a024497d7e428450800b32486ee788baacffbd2317cc0d909fbd89fbbd79684  libpng-1.6.26-apng.patch.gz
30c8389d075b90c0e30c0be8d7630cbf98c87c610f414c529485630dd0411cced28852d2fecc96bca72bc712f0f7e13358f9fc47b6d7b8c7806d34ebeef20514  libpng-fix-arm-neon.patch"