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# Contributor: Carlo Landmeter <clandmeter@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=libpng
pkgver=1.6.37
pkgrel=0
pkgdesc="Portable Network Graphics library"
url="http://www.libpng.org/"
arch="all"
license="Libpng"
makedepends="zlib-dev gawk autoconf automake libtool"
subpackages="$pkgname-doc $pkgname-dev $pkgname-utils"
source="https://downloads.sourceforge.net/libpng/$pkgname-$pkgver.tar.gz
https://downloads.sourceforge.net/sourceforge/libpng-apng/$pkgname-$pkgver-apng.patch.gz
libpng-fix-arm-neon.patch
"
builddir="$srcdir/$pkgname-$pkgver"
# secfixes:
# 1.6.37-r0:
# - CVE-2019-7317
# - CVE-2018-14048
# - CVE-2018-14550
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="2ce2b855af307ca92a6e053f521f5d262c36eb836b4810cb53c809aa3ea2dcc08f834aee0ffd66137768a54397e28e92804534a74abb6fc9f6f3127f14c9c338 libpng-1.6.37.tar.gz
226adcb3a8c60f2267fe2976ab531329ae43c2603dab4d0cf8f16217d64069936b879f3d6516b75d259c47d6f5c5b1f24f887602206c8e46abde0fb7f5c7946b libpng-1.6.37-apng.patch.gz
e3fae918f14bc34e7c126892f69527c6e1b4d72593835ece839d9a28cff55a886b2030f877cf9e29b2c97abf2e47bbb5ba54584828edd2a841c2556f330b9c7e libpng-fix-arm-neon.patch"
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