[skip ci] add ebuild for Gentoo

README.md

@@ -87,14 +87,17 @@ Current release is 20.12. Binaries for all platforms can be downloaded from GitH
 
 [ ![Release](https://img.shields.io/github/v/release/variar/klogg?style=flat)](https://github.com/variar/klogg/releases/tag/v20.12)
 
+#### Windows
 Windows installer is also available from Chocolatey:
 
 [ ![Chocolatey](https://img.shields.io/chocolatey/v/klogg?style=flat)](https://chocolatey.org/packages/klogg)
 
+#### Mac OS
 Package for Mac can be installed from Homebrew
 
 [ ![homebrew cask](https://img.shields.io/homebrew/cask/v/klogg?style=flat)](https://formulae.brew.sh/cask/klogg)
 
+#### Linux
 Linux packages are also available from DEB and RPM repositories. 
 
 For DEB add klogg artifactory repository, then install from apt:
@@ -119,6 +122,8 @@ sudo yum update
 sudo yum install klogg
 ```
 
+Gentoo users may grab ebuild from [packaging/linux/gentoo](https://github.com/variar/klogg/tree/master/packaging/linux/gentoo).
+
 ### Tesing builds
 
 ![CI Build and Release](https://github.com/variar/klogg/workflows/CI%20Build%20and%20Release/badge.svg)

packaging/linux/gentoo/app-text/klogg/klogg-20.12.ebuild

@@ -0,0 +1,75 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="A multi-platform GUI application that helps browse and search through long and complex log files. It is designed with programmers and system administrators in mind and can be seen as a graphical, interactive combination of grep, less, and tail"
+HOMEPAGE="https://klogg.filimonov.dev"
+SRC_URI="https://github.com/variar/klogg/archive/refs/tags/v${PV}.tar.gz"
+
+LICENSE="GPL-3+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+DEPEND="
+	dev-qt/qtcore:5
+	dev-qt/qtgui:5
+	dev-qt/qtwidgets:5
+	dev-qt/qtnetwork:5
+	dev-qt/qtxml:5
+	dev-qt/qtconcurrent:5
+"
+
+RDEPEND="${DEPEND} 
+	x11-themes/hicolor-icon-theme
+"
+
+BDEPEND="
+	>=dev-util/cmake-3.12
+"
+
+IUSE="+sentry lto"
+
+src_prepare() {
+	sed -e 's|share/doc/klogg|${CMAKE_INSTALL_DOCDIR}|' -i ${S}/CMakeLists.txt || die "sed CMAKE_INSTALL_DOCDIR"
+	sed -e 's|TBB_INSTALL_LIBRARY_DIR lib|TBB_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}|' -i ${S}/3rdparty/tbb/CMakeLists.txt || die "sed TBB_INSTALL_LIBRARY_DIR"
+
+	eapply_user
+	cmake_src_prepare
+}
+
+src_configure() {
+	local cmakeopts="-DWARNINGS_AS_ERRORS=OFF -DDISABLE_WERROR=ON"
+
+	if use sentry; then
+		cmakeopts+=" -DKLOGG_USE_SENTRY=ON"
+	else
+		cmakeopts+=" -DKLOGG_USE_SENTRY=OFF"
+	fi
+
+	if use lto; then
+		cmakeopts+=" -DUSE_LTO=ON"
+	else
+		cmakeopts+=" -DUSE_LTO=OFF"
+	fi
+
+	local mycmakeargs=(
+		${cmakeopts}
+	)
+	export KLOGG_VERSION=${PV}.0.813
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile ${PN}
+}
+
+pkg_postinst() {
+	xdg_desktop_database_update
+}
+
+pkg_postrm() {
+	xdg_desktop_database_update
+}

packaging/linux/gentoo/app-text/klogg/metadata.xml

@@ -0,0 +1,19 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>anton.filimonov@gmail.com</email>
+		<name>Anton Filimonov</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">variar/klogg</remote-id>
+	</upstream>
+    <use>
+        <flag name="sentry">
+            Enable crash reporting using sentry.io.
+        </flag>
+        <flag name="lto">
+            Build with link time optimization (LTO).
+        </flag>
+    </use>
+</pkgmetadata>