Name	libpng16.so.16
Description	Portable Network Graphics library
Version	1.6.54-r0
Package Base	libpng
Homepage	http://www.libpng.org
Maintainers	['Natanael Copa <ncopa@alpinelinux.org>']
Contributors	['Carlo Landmeter <clandmeter@alpinelinux.org>']
Distro-repo	https://gitlab.alpinelinux.org/alpine/aports/-/tree/3.22-stable/main/libpng
Sources	[]
Dependencies	[]
Optional-Dependencies	[]
Build-Dependencies	[]
Provides	['so:libpng16.so.16=16.54.0']
Builddate	22-01-2026 17:39:50
Architecture	x86_64
Distro-Version	v3.22
Licenses	['Libpng']
Hash	Q1lYKace6sFsgGgFcRnQhIcwlCzys=

# Contributor: Carlo Landmeter <clandmeter@alpinelinux.org>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=libpng
pkgver=1.6.54
_apng_version=$pkgver
pkgrel=0
pkgdesc="Portable Network Graphics library"
url="http://www.libpng.org"
arch="all"
license="Libpng"
makedepends_build="gawk autoconf automake libtool"
makedepends_host="zlib-dev"
subpackages="$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-$_apng_version-apng.patch.gz
	libpng-fix-arm-neon.patch
	"

# secfixes:
#   1.6.54-r0:
#     - CVE-2026-22695
#     - CVE-2026-22801
#   1.6.53-r0:
#     - CVE-2025-66293
#   1.6.51-r0:
#     - CVE-2025-64505
#     - CVE-2025-64506
#     - CVE-2025-64720
#     - CVE-2025-65018
#   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="
9df291971850dd15132d04bd2c436eafbb2dc191deec74a848fc702b7207b007acd7abf192e5d10f13d2d9fdb1f56d0d7903715166e8a7fd14fffbeacf248680  libpng-1.6.54.tar.gz
217449d76fab45707a696ee5926039c6091196abfc33b4e3bec0a5f63d5b17fd4a7e48af41c4cc2536edc527837dc10fe718092d5b1ffc89ee4dc66883e7267a  libpng-1.6.54-apng.patch.gz
0a5efa609bda4c2a38f5110b7287020a5f9dc81583f2b05a951d897a18ce62ea80350baf52daa3d02f20dff51bbc177b3af317ab7bbc09eb23a3c252600414a5  libpng-fix-arm-neon.patch
"