dev-libs/liblouis: add 3.22.0

Bug: https://bugs.gentoo.org/835093
Signed-off-by: John Helmert III <ajak@gentoo.org>

dev-libs/liblouis/Manifest

@@ -1,3 +1,4 @@
 DIST liblouis-3.13.0.tar.gz 14683684 BLAKE2B 9596fac30ee8512498826ea11c3fe4d9dfba6706166938852242533f1fadde9ca8e363ea1364ebb4266b366ee49863d84ad757f8634d90e48dd8c562c31e9e8d SHA512 68f0205dc55a106c5707f959c1c0d3c121dfe62f263a664e6bec0780bee65cce2fb5d7033ae1c8312d1d79f7ccaf650af71906e8651b60f11219758e41051b61
 DIST liblouis-3.17.0.tar.gz 14868166 BLAKE2B 2edc5ef4366e29080d0d138fe45d946730e04dea278a14751106a25862f6266fe0fda492e12f4d2aa7d26d7277a11dfa2eaf8be39cdeffbcf83f2c143922e6d6 SHA512 9511e0f76ef6def3fa30f0bce4df188b2a11251e8ced0a76a92e172026e6751bc19b2c8ccd5789043b65398190a367bca03b3f1449344750e63ebd0fde60b4e3
 DIST liblouis-3.20.0.tar.gz 15119793 BLAKE2B ed8eb9df0364818c73b1ac8afa5311cdcf8bb47b142607ceeced731655ed14a3d5be83465dd923164902b807424a5e1180fc4ae7fd3ef9ed50065f6e6e9b3b0e SHA512 edc94f1f91fbaffcc13c6dbe7958c7f41dac3328038b25bb446d54dc3e26d904da0d0d5e19268cee6b6de3ef228dcd45ff50164ccd148939e6440fe8b5d4b428
+DIST liblouis-3.22.0.tar.gz 16397405 BLAKE2B b99231398618f4fc563b348fe44cf99480bcde45fbfba8985aa1f1b6da07bb242ff772d104ee820d7252563c17730b393408cffc05c36e04aba82415ae3632ba SHA512 0ad9466b001935b442732c18ddce973236fd7cd0629a1b7dcc6e4cd61c9fb0b8f78b0ca51a4fd94ca262e8b8687dcc6aed06967dd2cd1bea8b5b1a0c78e1f25f

dev-libs/liblouis/liblouis-3.22.0.ebuild

@@ -0,0 +1,75 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+DISTUTILS_OPTIONAL=1
+inherit distutils-r1
+
+DESCRIPTION="An open-source braille translator and back-translator"
+HOMEPAGE="https://github.com/liblouis/liblouis"
+SRC_URI="https://github.com/liblouis/liblouis/releases/download/v${PV}/${P}.tar.gz"
+
+LICENSE="LGPL-2.1+"
+SLOT="0/20"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
+IUSE="python test"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="python? ( ${PYTHON_DEPS} )"
+DEPEND="${RDEPEND}"
+BDEPEND="sys-apps/help2man
+	python? ( ${PYTHON_DEPS}
+		>=dev-python/setuptools-42.0.2[${PYTHON_USEDEP}]
+	)
+	test? ( dev-libs/libyaml )
+"
+
+src_prepare() {
+	default
+
+	if use python; then
+		pushd python > /dev/null
+		distutils-r1_src_prepare
+		popd > /dev/null
+	fi
+}
+
+src_configure() {
+	econf \
+		--enable-ucs4 \
+		--disable-static
+}
+
+src_compile() {
+	default
+
+	if use python; then
+		pushd python > /dev/null
+		# setup.py imports liblouis to get the version number,
+		# and this causes the shared library to be dlopened
+		# at build-time.  Hack around it with LD_PRELOAD.
+		# Thanks ArchLinux.
+		LD_PRELOAD+=':../liblouis/.libs/liblouis.so'
+			distutils-r1_src_compile
+		popd > /dev/null
+	fi
+}
+
+src_install() {
+	if use python; then
+		pushd python > /dev/null
+		LD_PRELOAD+=':../liblouis/.libs/liblouis.so' \
+			distutils-r1_src_install
+		popd > /dev/null
+	fi
+
+	# These need to be after distutils src_install, or it'll try to install them from under python/ as well
+	DOCS=( README AUTHORS NEWS ChangeLog doc/liblouis.txt )
+	HTML_DOCS=( doc/liblouis.html )
+	default
+
+	find "${ED}" -name '*.la' -delete || die
+}