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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit toolchain-funcs
DESCRIPTION="Compress PNG files without affecting image quality"
HOMEPAGE="https://optipng.sourceforge.net/"
SRC_URI="https://downloads.sourceforge.net/${PN}/${P}.tar.gz"
LICENSE="ZLIB"
SLOT="0"
KEYWORDS="~alpha amd64 ~arm arm64 ppc ppc64 ~riscv x86 ~amd64-linux ~x86-linux ~ppc-macos"
RDEPEND="sys-libs/zlib
media-libs/libpng:0="
DEPEND="${RDEPEND}"
DOCS=( AUTHORS.txt README.txt )
src_prepare() {
rm -R third_party/{libpng,zlib} || die
find . -type d -name build -exec rm -R {} + || die
sed -i \
-e 's/^#if defined AT_FDCWD/#if (defined(AT_FDCWD) \&\& !(defined(__SVR4) \&\& defined(__sun)))/' \
src/optipng/ioutil.c || die
tc-export CC AR RANLIB
export LD="$(tc-getCC)"
eapply_user
}
src_configure() {
./configure \
--with-system-libpng \
--with-system-zlib \
|| die "configure failed"
}
src_compile() {
emake -C src/optipng
}
src_install() {
einstalldocs
dodoc doc/*.txt
docinto html
dodoc doc/*.html
doman src/${PN}/man/${PN}.1
dobin src/${PN}/${PN}
}
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