# Contributor: Carlo Landmeter <clandmeter@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=libpng
pkgver=1.6.34
pkgrel=1
pkgdesc="Portable Network Graphics library"
url="http://www.libpng.org/"
arch="all"
license="GPL"
depends=""
depends_dev="zlib-dev"
makedepends="$depends_dev gawk autoconf automake libtool"
subpackages="$pkgname-doc $pkgname-dev $pkgname-utils"
source="http://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.gz
	http://downloads.sourceforge.net/sourceforge/$pkgname-apng/$pkgname-$pkgver-apng.patch.gz
	libpng-fix-arm-neon.patch
	"
builddir="$srcdir/$pkgname-$pkgver"

prepare() {
	cd "$builddir"
	gunzip -c "$srcdir"/$pkgname-$pkgver-apng.patch.gz | patch -p1
	default_prepare
	# libpng-fix-arm-neon.patch modifies configure.ac
	autoreconf -vif
}

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

check() {
	make -C "$builddir" check
}

package() {
	cd "$builddir"
	make DESTDIR="$pkgdir" install
	install -Dm644 LICENSE \
		"$pkgdir"/usr/share/licenses/$pkgname/LICENSE
	rm -f "$pkgdir"/usr/lib/*.la
}

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

sha512sums="7ee14f3fcf68802b56ac006ae0188735f25adb0402422dc97f560e6d00ba0adac50b1014dbab83457cd33b360901771c962e6b7c0c6e3948cda13eb1188de825  libpng-1.6.34.tar.gz
0777b8e55aeee207ee92479f2258ef1f60f16d7951fdbc6d89a80ef533b86dadecd1ef659d6fe7602d8ea3a8e711a096b0f77ee09b993799b73dfffddfe5dd3c  libpng-1.6.34-apng.patch.gz
e3fae918f14bc34e7c126892f69527c6e1b4d72593835ece839d9a28cff55a886b2030f877cf9e29b2c97abf2e47bbb5ba54584828edd2a841c2556f330b9c7e  libpng-fix-arm-neon.patch"
