media-libs/sjpeg: initial import

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

media-libs/sjpeg/Manifest

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+DIST sjpeg-1.0_p20210422.tar.gz 2481123 BLAKE2B dc645e6e97873389b40463561683be744fb951c914b55dd5183e190982dbe4aeea98ee3c1271d2447ad1e5b4e23ea03cdf86ff3a9d7372631b0f9ca01cd4ac4f SHA512 cf9e5a744f79996817679dc2e64be2efd64cbc9bb5f505f5c6530f92d60fe99715c57bcf71e0bb80c77732ace1d71fbf1ff9b4e4ec2562a9576c74a4410c2cb1

media-libs/sjpeg/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="person">
+    <email>lssndrbarbieri@gmail.com</email>
+    <name>Alessandro Barbieri</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">webmproject/sjpeg</remote-id>
+  </upstream>
+  <use>
+    <flag name="tools">Build the sjpeg / vjpeg command line tools</flag>
+  </use>
+</pkgmetadata>

media-libs/sjpeg/sjpeg-1.0_p20210422.ebuild

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+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+COMMIT="676de227d75877eb5863ec805ba0a4b97fc2fc6c"
+
+inherit cmake
+
+DESCRIPTION="simple jpeg encoder"
+HOMEPAGE="https://github.com/webmproject/sjpeg"
+SRC_URI="https://github.com/webmproject/sjpeg/archive/${COMMIT}.tar.gz -> ${PF}.tar.gz"
+S="${WORKDIR}/${PN}-${COMMIT}"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="cpu_flags_arm_neon cpu_flags_x86_sse2 +tools"
+
+DEPEND="
+	tools? (
+		media-libs/libpng
+		sys-libs/zlib
+		virtual/jpeg
+		virtual/opengl
+	)
+"
+RDEPEND="${DEPEND}"
+
+DOCS=( AUTHORS NEWS README README.md ChangeLog )
+
+src_configure() {
+	local mycmakeargs=(
+		-DSJPEG_BUILD_EXAMPLES=$(usex tools)
+	)
+
+	if use cpu_flags_arm_neon || use cpu_flags_x86_sse2 ; then
+		mycmakeargs+=( "-DSJPEG_ENABLE_SIMD=ON" )
+	else
+		mycmakeargs+=( "-DSJPEG_ENABLE_SIMD=OFF" )
+	fi
+
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+	einstalldocs
+}