# Contributor: Carlo Landmeter <clandmeter@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=libpng
pkgver=1.6.28
_apngver=1.6.28
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 $pkgname-utils"
source="http://downloads.sourceforge.net/$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
}

utils() {
	pkgdesc="$pkgdesc (pngfix utils)"
	mkdir -p "$subpkgdir"/usr
	mv "$pkgdir"/usr/bin "$subpkgdir"/usr
}

md5sums="897ccec1ebfb0922e83c2bfaa1be8748  libpng-1.6.28.tar.gz
fca7c6d87c8352e645facefc2e1dd153  libpng-1.6.28-apng.patch.gz
e58c8d9a4086999456de13b2c4b9e224  libpng-fix-arm-neon.patch"
sha256sums="b6cec903e74e9fdd7b5bbcde0ab2415dd12f2f9e84d9e4d9ddd2ba26a41623b2  libpng-1.6.28.tar.gz
4b294933e3c875d0e3331d286840b859b8a70dc338f1fefbe803a464c1d9b654  libpng-1.6.28-apng.patch.gz
db38cd0a8ae637e1bf2dca464a2068a40576346d16ae929f20dc712d21870316  libpng-fix-arm-neon.patch"
sha512sums="8d90eacf3281a6557172d3647a5c0c562cfe1e6d2d3f8087d7d86ce0531d1530616fc18a08ca941197f403a20b8f2dd48fde419806f798b4715ddd543420a695  libpng-1.6.28.tar.gz
6b4282ff314a65af67d566445009d3a818f4a469af4c102b4aa8e22ac49dacbdd36d8af6f60095daef2262510416a725dc76030ec01fcebd9d569edb657b05ca  libpng-1.6.28-apng.patch.gz
30c8389d075b90c0e30c0be8d7630cbf98c87c610f414c529485630dd0411cced28852d2fecc96bca72bc712f0f7e13358f9fc47b6d7b8c7806d34ebeef20514  libpng-fix-arm-neon.patch"