www-servers/uwsgi: migrate to lua-single.eclass

Very simple, the trick implemented to support unslotted Lua translates
without changes to using the eclass-provider pkgconfig wrapper.
Upstream build scripts only support lua5.1 so stick with that.

Closes: https://bugs.gentoo.org/752882
Signed-off-by: Marek Szuba <marecki@gentoo.org>

1 files changed, 380 insertions, 0 deletions

diff --git a/www-servers/uwsgi/uwsgi-2.0.19.1-r100.ebuild b/www-servers/uwsgi/uwsgi-2.0.19.1-r100.ebuild
new file mode 100644
index 000000000000..72becd7d0bd0
--- /dev/null
+++ b/www-servers/uwsgi/uwsgi-2.0.19.1-r100.ebuild
@@ -0,0 +1,380 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+LUA_COMPAT=( lua5-1 )
+PYTHON_COMPAT=( python3_{6,7,8} )
+PYTHON_REQ_USE="threads(+)"
+
+RUBY_OPTIONAL="yes"
+USE_RUBY="ruby23 ruby24 ruby25 ruby26"
+
+PHP_EXT_INI="no"
+PHP_EXT_NAME="dummy"
+PHP_EXT_OPTIONAL_USE="php"
+USE_PHP="php7-2 php7-3 php7-4" # deps must be registered separately below
+
+MY_P="${P/_/-}"
+
+inherit flag-o-matic lua-single pax-utils php-ext-source-r3 python-r1 ruby-ng
+
+DESCRIPTION="uWSGI server for Python web applications"
+HOMEPAGE="https://projects.unbit.it/uwsgi/"
+SRC_URI="https://github.com/unbit/uwsgi/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~x86 ~amd64-linux"
+
+UWSGI_PLUGINS_STD=( ping cache carbon nagios rpc rrdtool
+	http ugreen signal syslog rsyslog
+	router_{uwsgi,redirect,basicauth,rewrite,http,cache,static,memcached,redis,hash,expires,metrics}
+	{core,fast,raw,ssl}router
+	redislog mongodblog log{file,socket}
+	spooler cheaper_busyness symcall
+	transformation_{chunked,gzip,offload,tofile}
+	zergpool )
+UWSGI_PLUGINS_OPT=( alarm_{curl,xmpp} clock_{monotonic,realtime} curl_cron
+	dumbloop echo emperor_{amqp,pg,zeromq} forkptyrouter
+	geoip graylog2 legion_cache_fetch ldap log{crypto,pipe} notfound pam
+	rados router_{access,radius,spnego,xmldir}
+	sqlite ssi stats_pusher_statsd
+	systemd_logger transformation_toupper tuntap webdav xattr xslt zabbix )
+
+LANG_SUPPORT_SIMPLE=( cgi mono perl ) # plugins which can be built in the main build process
+LANG_SUPPORT_EXTENDED=( go lua php python python-asyncio python-gevent ruby )
+
+# plugins to be ignored (for now):
+# cheaper_backlog2: example plugin
+# coroae: TODO
+# cplusplus: partially example code, needs explicit class
+# dummy: no idea
+# example: example plugin
+# exception_log: example plugin
+# *java*: TODO
+# v8: TODO
+# matheval: TODO
+IUSE="apache2 +caps debug +embedded expat jemalloc json libressl +pcre +routing selinux +ssl +xml yajl yaml zeromq"
+
+for plugin in ${UWSGI_PLUGINS_STD[@]}; do IUSE="${IUSE} +uwsgi_plugins_${plugin}"; done
+for plugin in ${UWSGI_PLUGINS_OPT[@]}; do IUSE="${IUSE} uwsgi_plugins_${plugin}"; done
+IUSE="${IUSE} ${LANG_SUPPORT_SIMPLE[@]} ${LANG_SUPPORT_EXTENDED[@]}"
+
+REQUIRED_USE="|| ( ${LANG_SUPPORT_SIMPLE[@]} ${LANG_SUPPORT_EXTENDED[@]} )
+	uwsgi_plugins_logcrypto? ( ssl )
+	uwsgi_plugins_sslrouter? ( ssl )
+	routing? ( pcre )
+	uwsgi_plugins_emperor_zeromq? ( zeromq )
+	uwsgi_plugins_forkptyrouter? ( uwsgi_plugins_corerouter )
+	uwsgi_plugins_router_xmldir? ( xml !expat )
+	lua? ( ${LUA_REQUIRED_USE} )
+	python? ( ${PYTHON_REQUIRED_USE} )
+	python-asyncio? ( || ( $(python_gen_useflags -3) ) )
+	python-gevent? ( python )
+	expat? ( xml )"
+
+# util-linux is required for libuuid when requesting zeromq support
+# Order:
+# 1. Unconditional
+# 2. General features
+# 3. Plugins
+# 4. Language/app support
+CDEPEND="
+	sys-libs/zlib
+	caps? ( sys-libs/libcap )
+	json? (
+		!yajl? ( dev-libs/jansson )
+		yajl? ( dev-libs/yajl )
+	)
+	pcre? ( dev-libs/libpcre:3 )
+	ssl? (
+		!libressl? ( dev-libs/openssl:0= )
+		libressl? ( dev-libs/libressl )
+	)
+	xml? (
+		!expat? ( dev-libs/libxml2 )
+		expat? ( dev-libs/expat )
+	)
+	yaml? ( dev-libs/libyaml )
+	zeromq? ( net-libs/zeromq sys-apps/util-linux )
+	uwsgi_plugins_alarm_curl? ( net-misc/curl )
+	uwsgi_plugins_alarm_xmpp? ( net-libs/gloox )
+	uwsgi_plugins_curl_cron? ( net-misc/curl )
+	uwsgi_plugins_emperor_pg? ( dev-db/postgresql:= )
+	uwsgi_plugins_geoip? ( dev-libs/geoip )
+	uwsgi_plugins_ldap? ( net-nds/openldap )
+	uwsgi_plugins_pam? ( sys-libs/pam )
+	uwsgi_plugins_sqlite? ( dev-db/sqlite:3 )
+	uwsgi_plugins_rados? ( sys-cluster/ceph )
+	uwsgi_plugins_router_access? ( sys-apps/tcp-wrappers )
+	uwsgi_plugins_router_spnego? ( virtual/krb5 )
+	uwsgi_plugins_systemd_logger? ( sys-apps/systemd )
+	uwsgi_plugins_webdav? ( dev-libs/libxml2 )
+	uwsgi_plugins_xslt? ( dev-libs/libxslt )
+	go? ( sys-devel/gcc:=[go] )
+	lua? ( ${LUA_DEPS} )
+	mono? ( dev-lang/mono:= )
+	perl? ( dev-lang/perl:= )
+	php? (
+		net-libs/libnsl
+		php_targets_php7-2? ( dev-lang/php:7.2[embed] )
+		php_targets_php7-3? ( dev-lang/php:7.3[embed] )
+		php_targets_php7-4? ( dev-lang/php:7.4[embed] )
+	)
+	python? ( ${PYTHON_DEPS} )
+	python-asyncio? ( virtual/python-greenlet[${PYTHON_USEDEP}] )
+	python-gevent? ( >=dev-python/gevent-1.3.5[${PYTHON_USEDEP}] )
+	ruby? ( $(ruby_implementations_depend) )"
+DEPEND="${CDEPEND}"
+RDEPEND="${CDEPEND}
+	selinux? ( sec-policy/selinux-uwsgi )
+	uwsgi_plugins_rrdtool? ( net-analyzer/rrdtool )"
+BDEPEND="virtual/pkgconfig"
+
+S="${WORKDIR}/${MY_P}"
+
+src_unpack() {
+	echo ${PYTHON_USEDEP}
+	default
+}
+
+pkg_setup() {
+	python_setup
+	use lua && lua-single_pkg_setup
+	use ruby && ruby-ng_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	sed -i \
+		-e "s|'-O2', ||" \
+		-e "s|'-Werror', ||" \
+		-e "s|uc.get('plugin_dir')|uc.get('plugin_build_dir')|" \
+		uwsgiconfig.py || die "sed failed"
+
+	sed -i \
+		-e "s|/lib|/$(get_libdir)|" \
+		plugins/php/uwsgiplugin.py || die "sed failed"
+}
+
+src_configure() {
+	local embedded_plugins=()
+	local plugins=()
+	local malloc_impl="libc"
+	local json="false"
+	local xml="false"
+
+	for p in ${UWSGI_PLUGINS_STD[@]} ${UWSGI_PLUGINS_OPT[@]} ; do
+		use uwsgi_plugins_${p} && embedded_plugins+=("${p}")
+	done
+	for p in ${LANG_SUPPORT_SIMPLE[@]} ; do
+		use ${p} && plugins+=("${p}")
+	done
+
+	# do not embed any plugins
+	if ! use embedded; then
+		plugins=( ${plugins[@]} ${embedded_plugins[@]} )
+		embedded_plugins=()
+	fi
+
+	# flatten the arrays
+	plugins=${plugins[@]}
+	embedded_plugins=${embedded_plugins[@]}
+
+	# rename some of the use flags, language plugins are always real plugins
+	plugins="${plugins/perl/psgi}"
+	plugins="${plugins/sqlite/sqlite3}"
+	embedded_plugins="${embedded_plugins/sqlite/sqlite3}"
+
+	# override defaults as requested by the user
+	if use xml; then
+		use expat && xml="expat" || xml="libxml2"
+	fi
+	if use json; then
+		use yajl && json="yajl" || json="jansson"
+	fi
+	use jemalloc && malloc_impl="jemalloc"
+
+	# prepare the buildconf for gentoo
+	cp "${FILESDIR}"/gentoo.buildconf buildconf/gentoo.ini || die
+	sed -i \
+		-e "s|VAR_XML|${xml}|" \
+		-e "s|VAR_YAML|$(usex yaml libyaml true)|" \
+		-e "s|VAR_JSON|${json}|" \
+		-e "s|VAR_SSL|$(usex ssl true false)|" \
+		-e "s|VAR_PCRE|$(usex pcre true false)|" \
+		-e "s|VAR_ZMQ|$(usex zeromq true false)|" \
+		-e "s|VAR_ROUTING|$(usex routing true false)|" \
+		-e "s|VAR_DEBUG|$(usex debug true false)|" \
+		-e "s|VAR_MALLOC|${malloc_impl}|" \
+		-e "s|VAR_PLUGINS|${plugins// /, }|" \
+		-e "s|VAR_PLUGIN_DIR|${EPREFIX}/usr/$(get_libdir)/uwsgi|" \
+		-e "s|VAR_BUILD_DIR|${T}/plugins|" \
+		-e "s|VAR_EMBEDDED|${embedded_plugins// /, }|" \
+		buildconf/gentoo.ini || die "sed failed"
+
+	if ! use caps; then
+		sed -i -e 's|sys/capability.h|DISABLED|' uwsgiconfig.py || die "sed failed"
+	fi
+
+	if ! use zeromq; then
+		sed -i -e 's|uuid/uuid.h|DISABLED|' uwsgiconfig.py || die "sed failed"
+	fi
+
+	if use uwsgi_plugins_emperor_pg ; then
+		PGPV="$(best_version dev-db/postgresql)"
+		PGSLOT="$(ver_cut 1-2 ${PGPV##dev-db/postgresql-})"
+		sed -i \
+			-e "s|pg_config|pg_config${PGSLOT/.}|" \
+			plugins/emperor_pg/uwsgiplugin.py || die "sed failed"
+	fi
+}
+
+each_ruby_compile() {
+	cd "${WORKDIR}/${MY_P}" || die "sed failed"
+
+	UWSGICONFIG_RUBYPATH="${RUBY}" python uwsgiconfig.py --plugin plugins/rack gentoo rack_${RUBY##*/} || die "building plugin for ${RUBY} failed"
+	UWSGICONFIG_RUBYPATH="${RUBY}" python uwsgiconfig.py --plugin plugins/fiber gentoo fiber_${RUBY##*/}|| die "building fiber plugin for ${RUBY} failed"
+	UWSGICONFIG_RUBYPATH="${RUBY}" python uwsgiconfig.py --plugin plugins/rbthreads gentoo rbthreads_${RUBY##*/}|| die "building rbthreads plugin for ${RUBY} failed"
+}
+
+python_compile_plugins() {
+	local EPYV
+	local PYV
+	EPYV=${EPYTHON/.}
+	PYV=${EPYV/python}
+
+	${PYTHON} uwsgiconfig.py --plugin plugins/python gentoo ${EPYV} || die "building plugin for ${EPYTHON} failed"
+
+	if use python-asyncio ; then
+		if [[ "${PYV}" != "27" ]] ; then
+			${PYTHON} uwsgiconfig.py --plugin plugins/asyncio gentoo asyncio${PYV} || die "building plugin for asyncio-support in ${EPYTHON} failed"
+		fi
+	fi
+
+	if use python-gevent ; then
+		${PYTHON} uwsgiconfig.py --plugin plugins/gevent gentoo gevent${PYV} || die "building plugin for gevent-support in ${EPYTHON} failed"
+	fi
+
+	if use python-gevent || use python-asyncio; then
+			${PYTHON} uwsgiconfig.py --plugin plugins/greenlet gentoo greenlet${PYV} || die "building plugin for greenlet-support in ${EPYTHON} failed"
+	fi
+}
+
+python_install_symlinks() {
+	dosym uwsgi /usr/bin/uwsgi_${EPYTHON/.}
+}
+
+src_compile() {
+	mkdir -p "${T}/plugins" || die
+
+	CPUCOUNT=1 python uwsgiconfig.py --build gentoo || die "building uwsgi failed"
+
+	if use go ; then
+		python uwsgiconfig.py --plugin plugins/gccgo gentoo || die "building plugin for go failed"
+	fi
+
+	if use lua ; then
+		# setting the name for the pkg-config file to lua, since that is the name
+		# provided by the wrapper from Lua eclasses
+		UWSGICONFIG_LUAPC="lua" python uwsgiconfig.py --plugin plugins/lua gentoo || die "building plugin for lua failed"
+	fi
+
+	if use php ; then
+		for s in $(php_get_slots); do
+			UWSGICONFIG_PHPDIR="/usr/$(get_libdir)/${s}" python uwsgiconfig.py --plugin plugins/php gentoo ${s/.} || die "building plugin for ${s} failed"
+		done
+	fi
+
+	if use python ; then
+		python_foreach_impl python_compile_plugins
+	fi
+
+	if use ruby ; then
+		ruby-ng_src_compile
+	fi
+}
+
+src_install() {
+	dobin uwsgi
+	pax-mark m "${D}"/usr/bin/uwsgi
+
+	insinto /usr/$(get_libdir)/uwsgi
+	doins "${T}/plugins"/*.so
+
+	use cgi && dosym uwsgi /usr/bin/uwsgi_cgi
+	use go && dosym uwsgi /usr/bin/uwsgi_go
+	use lua && dosym uwsgi /usr/bin/uwsgi_lua
+	use mono && dosym uwsgi /usr/bin/uwsgi_mono
+	use perl && dosym uwsgi /usr/bin/uwsgi_psgi
+
+	if use php ; then
+		for s in $(php_get_slots); do
+			dosym uwsgi /usr/bin/uwsgi_${s/.}
+		done
+	fi
+
+	if use python ; then
+		python_foreach_impl python_install_symlinks
+		python_foreach_impl python_domodule uwsgidecorators.py
+	fi
+
+	newinitd "${FILESDIR}"/uwsgi.initd-r7 uwsgi
+	newconfd "${FILESDIR}"/uwsgi.confd-r4 uwsgi
+	keepdir /etc/"${PN}".d
+	use uwsgi_plugins_spooler && keepdir /var/spool/"${PN}"
+}
+
+pkg_postinst() {
+	if use apache2 ; then
+		ewarn "As reported on bug #650776 [1], Apache module mod_proxy_uwsgi"
+		ewarn "is being transferred to upstream Apache since 2.4.30, see [2]."
+		ewarn "We therefore do not build them any more."
+		ewarn "    [1] https://bugs.gentoo.org/650776"
+		ewarn "    [2] https://github.com/unbit/uwsgi/issues/1636"
+	fi
+
+	elog "Append the following options to the uwsgi call to load the respective language plugin:"
+	use cgi    && elog "  '--plugins cgi' for cgi"
+	use lua    && elog "  '--plugins lua' for lua"
+	use mono   && elog "  '--plugins mono' for mono"
+	use perl   && elog "  '--plugins psgi' for perl"
+
+	if use php ; then
+		for s in $(php_get_slots); do
+			elog "  '--plugins ${s/.}' for ${s}"
+		done
+	fi
+
+	python_pkg_postinst() {
+		local EPYV
+		local PYV
+		EPYV=${EPYTHON/.}
+		PYV=${EPYV/python}
+
+		elog " "
+		elog "  '--plugins ${EPYV}' for ${EPYTHON}"
+		if use python-asyncio ; then
+			if [[ ${EPYV} == python34 ]] ; then
+				elog "  '--plugins ${EPYV},asyncio${PYV}' for asyncio support in ${EPYTHON}"
+			else
+				elog "  (asyncio is only supported in python3.4)"
+			fi
+		fi
+		if use python-gevent ; then
+			elog "  '--plugins ${EPYV},gevent${PYV}' for gevent support in ${EPYTHON}"
+		fi
+	}
+
+	use python && python_foreach_impl python_pkg_postinst
+
+	if use ruby ; then
+		for ruby in $(ruby_get_use_implementations) ; do
+			elog "  '--plugins rack_${ruby/.}' for ${ruby}"
+			elog "  '--plugins fiber_${ruby/.}' for ${ruby} fibers"
+			elog "  '--plugins rbthreads_${ruby/.}' for ${ruby} rbthreads"
+		done
+	fi
+}