dev-util/babeltrace2: initial import

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

dev-util/babeltrace2/Manifest

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+DIST babeltrace2-2.0.4.tar.bz2 3300594 BLAKE2B f20f752c066ed20a0f477c7b42719053a91d87c8d5fc9d52c641e1f13de105da1319774b3a3abbc9e11ae66a5025d079c072679b4697d62ea6946a1828ad78cf SHA512 56c827497cf241b183ba03a1d960143894901f5f49836a9494126a1a6e5007202fd57277784f64ba3ab15af7e532cfecc32917ebb7736fecca53033f000b0155

dev-util/babeltrace2/babeltrace2-2.0.4.ebuild

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+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# pypy3: obtaining PYTHON_CONFIG not supported
+PYTHON_COMPAT=( python3_{8..10} )
+
+inherit autotools python-single-r1
+
+DESCRIPTION="A command-line tool and library to read and convert trace files"
+HOMEPAGE="https://babeltrace.org"
+SRC_URI="https://www.efficios.com/files/babeltrace/${P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="debug doc man python test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-libs/glib:2
+	dev-libs/elfutils
+
+	python? (
+		${PYTHON_DEPS}
+		virtual/libcrypt
+	)
+"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	sys-devel/bison
+	sys-devel/flex
+	doc? (
+		app-doc/doxygen
+		python? ( dev-python/sphinx )
+	)
+	man? (
+		app-text/asciidoc
+		app-text/xmlto
+	)
+	python? ( dev-lang/swig )
+"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+pkg_setup() {
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+src_configure() {
+	use debug && export BABELTRACE_DEBUG_MODE=1
+
+	local myconf=(
+		--disable-built-in-plugins
+		--disable-built-in-python-plugin-support
+		--disable-compile-warnings
+		--disable-static
+		--enable-debug-info
+		--enable-shared
+
+		$(use_enable doc api-doc)
+		$(use_enable man man-pages)
+		$(use_enable python python-bindings)
+		$(use_enable python python-plugins)
+		$(use_enable test glibtest)
+	)
+
+	if use python; then
+		export PYTHON_CONFIG="$(python_get_PYTHON_CONFIG)"
+		myconf+=( "--with-python_prefix=$(python_get_sitedir)" )
+		use doc && myconf+=( "--enable-python-bindings-doc" )
+	fi
+
+	econf "${myconf[@]}"
+}
+
+src_install() {
+	default
+	use doc && docompress -x "${ED}/usr/doc/${PF}/api"
+	find "${D}" -name '*.la' -delete || die
+}

dev-util/babeltrace2/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>
+	<longdescription lang="en">
+Babeltrace /ˈbæbəltreɪs/, an EfficiOS project, is an open-source trace manipulation toolkit.
+The Babeltrace 2 project offers a library with a C API, Python 3 bindings, and a command-line tool which makes it very easy for mere mortals to view, convert, transform, and analyze traces.
+Babeltrace 2 is also the reference parser implementation of the Common Trace Format (CTF), a very versatile trace format followed by various tracers and tools such as LTTng and barectf. The Babeltrace 2 library and its Python bindings can read and write CTF traces. 
+	</longdescription>
+	<upstream>
+		<bugs-to>https://bugs.lttng.org/projects/babeltrace</bugs-to>
+		<remote-id type="github">efficios/babeltrace</remote-id>
+	</upstream>
+</pkgmetadata>