media-gfx/libimagequant:

Package-Manager: Portage-2.3.6, Repoman-2.3.2

media-gfx/libimagequant/Manifest

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+DIST libimagequant-2.10.1.tar.gz 70783 SHA256 c06f6d33611b90b57ed362752c9fe4819f6c51896b3024010f18744dc14ce0f7 SHA512 1cbb725e5f3774f931379f640c6532e169ea02a7b502a93af6b75a305e3dab1bd34a375391be0e8fdc15fea578715e8f8319d95d674383b7048e5f73e48b106f WHIRLPOOL 654407abec0b565b9ead32b427e2393be760a012eaba8d657c4b5fd9d75f729af98be5bcdeea99487419ef91d347dbb86598f3719992401ec49ee8adcef0e9a0

media-gfx/libimagequant/libimagequant-2.10.1.ebuild

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+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit toolchain-funcs eutils
+
+DESCRIPTION="Palette quantization library that powers pngquant and other PNG optimizers"
+HOMEPAGE="https://pngquant.org/lib/"
+SRC_URI="https://github.com/ImageOptim/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="cpu_flags_x86_sse2 debug openmp static-libs"
+
+DEPEND=""
+RDEPEND="${DEPEND}"
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+src_configure() {
+	tc-export AR CC
+	# Hand rolled configure script, so not all flags are supported.
+	./configure \
+		--prefix="${EPREFIX}/usr" \
+		$(use debug && echo --enable-debug) \
+		$(use_enable cpu_flags_x86_sse2 sse) \
+		$(use_with openmp) \
+		CFLAGS="${CFLAGS} ${CPPFLAGS}" \
+		LDFLAGS="${LDFLAGS}"
+}
+
+src_compile() {
+	emake shared || die "make failed"
+	use static-libs && (emake static || die "make failed")
+}
+
+src_install() {
+	dolib.so libimagequant.so
+	dolib.so libimagequant.so.*
+	use static-libs && dolib.a libimagequant.a
+	doheader libimagequant.h
+	einstalldocs
+}

media-gfx/libimagequant/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>graphics@gentoo.org</email>
+    <name>Gentoo Graphics Project</name>
+  </maintainer>
+  <longdescription lang="en">
+    Small, portable C library for high-quality conversion of RGBA
+    images to 8-bit indexed-color (palette) images.
+  </longdescription>
+  <upstream>
+    <remote-id type="github">ImageOptim/libimagequant</remote-id>
+  </upstream>
+</pkgmetadata>