# Contributor: Carlo Landmeter <clandmeter@alpinelinux.org>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=libpng
pkgver=1.6.47
pkgrel=0
pkgdesc="Portable Network Graphics library"
url="http://www.libpng.org"
arch="all"
license="Libpng"
makedepends_build="gawk autoconf automake libtool"
makedepends_host="zlib-dev"
subpackages="$pkgname-doc $pkgname-static $pkgname-dev $pkgname-utils"
source="https://downloads.sourceforge.net/libpng/libpng-$pkgver.tar.gz
	https://downloads.sourceforge.net/sourceforge/libpng-apng/libpng-$pkgver-apng.patch.gz
	libpng-fix-arm-neon.patch
	"

# secfixes:
#   1.6.37-r0:
#     - CVE-2019-7317
#     - CVE-2018-14048
#     - CVE-2018-14550

prepare() {
	default_prepare
	# libpng-fix-arm-neon.patch modifies configure.ac
	autoreconf -vif
}

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

check() {
	make check
}

package() {
	make DESTDIR="$pkgdir" install
	rm -f "$pkgdir"/usr/lib/*.la
}

utils() {
	pkgdesc="$pkgdesc (pngfix utils)"

	amove usr/bin
}

sha512sums="
c3de2fa8c4de46bcd9aed559ba85239ceb14e2e84f93001bac3a9e393990a848066b4f06896805e1c202aa077a60150ec3bb077412a4542fc1535bd5065ba462  libpng-1.6.47.tar.gz
5ea0e661f83a1966791eef3479ad7496787d3bc9eb6911475384da1c027444b1158bdb0f169d400ee9e1444c93e2bf435a4d8eb411901dd8e839b059baf9f38d  libpng-1.6.47-apng.patch.gz
0a5efa609bda4c2a38f5110b7287020a5f9dc81583f2b05a951d897a18ce62ea80350baf52daa3d02f20dff51bbc177b3af317ab7bbc09eb23a3c252600414a5  libpng-fix-arm-neon.patch
"
