From 370d960c1d6725cf89e35ea7e542405e532d6059 Mon Sep 17 00:00:00 2001
From: Marek Szuba <marecki@gentoo.org>
Date: Sat, 28 Nov 2020 23:14:40 +0100
Subject: dev-lua/mpack: migrate to lua.eclass

Had to suppress tests for the luajit target (one of the tests
checks for memory leaks and LuaJIT does leak memory) as well as prevent
the module from being unnecessarily linked against liblua (upstream have
already fixed this, unfortunately a bump to a recent version would not be
trivial). Otherwise, simple enough.

Closes: https://bugs.gentoo.org/752906
Signed-off-by: Marek Szuba <marecki@gentoo.org>
---
 dev-lua/mpack/mpack-1.0.4-r100.ebuild | 86 +++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 dev-lua/mpack/mpack-1.0.4-r100.ebuild

(limited to 'dev-lua/mpack')

diff --git a/dev-lua/mpack/mpack-1.0.4-r100.ebuild b/dev-lua/mpack/mpack-1.0.4-r100.ebuild
new file mode 100644
index 000000000000..7aca1045a875
--- /dev/null
+++ b/dev-lua/mpack/mpack-1.0.4-r100.ebuild
@@ -0,0 +1,86 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+LUA_COMPAT=( lua5-{1..3} luajit )
+
+inherit lua toolchain-funcs
+
+DESCRIPTION="Lua bindings for libmpack"
+HOMEPAGE="https://github.com/libmpack/libmpack/"
+SRC_URI="https://github.com/libmpack/libmpack/archive/${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/libmpack-${PV}/binding/lua"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="${LUA_DEPS}"
+DEPEND="${RDEPEND}"
+BDEPEND="virtual/pkgconfig
+	test? (
+		${RDEPEND}
+		dev-lua/busted[${LUA_USEDEP}]
+	)"
+
+lua_src_compile() {
+	# Make sure we have got no leftovers from other implementations.
+	# There is no 'clean' target in the makefile, though.
+	rm -f ${PN}.so
+
+	# We set LUA_LIB to an empty string while building version 1.0.4 because
+	# compiled Lua modules must not link against liblua. This has already been
+	# fixed upstream.
+	emake \
+		CC="$(tc-getCC)" \
+		USE_SYSTEM_LUA=yes \
+		LUA_INCLUDE="$(lua_get_CFLAGS)" \
+		LUA_LIB=""
+
+	# Tag the result with current implementation and move it out of the way.
+	mv ${PN}.so ${PN}-${ELUA}.so || die
+}
+
+src_compile() {
+	lua_foreach_impl lua_src_compile
+}
+
+lua_src_test() {
+	# "[  FAILED  ] test.lua @ 279: mpack should not leak memory"
+	# It doesn't seem upstream actually support LuaJIT so were this up to me
+	# I would drop it from LUA_COMPAT, unfortunately there are packages in the
+	# tree which currently expect it to be supported.
+	if [[ ${ELUA} == "luajit" ]]; then
+		ewarn "Not running tests under ${ELUA} because they are known to fail"
+		return
+	fi
+
+	# The test suite must be able to find the module under its original name.
+	rm -f ${PN}.so
+	ln -s ${PN}-${ELUA}.so ${PN}.so || die
+	busted --lua="${ELUA}" -o gtest test.lua || die
+}
+
+src_test() {
+	lua_foreach_impl lua_src_test
+}
+
+lua_src_install() {
+	# This time we move the correct library file back in order not to risk
+	# confusing make with symlinks.
+	mv ${PN}-${ELUA}.so ${PN}.so || die
+
+	emake \
+		DESTDIR="${ED}" \
+		USE_SYSTEM_LUA=yes \
+		LUA_CMOD_INSTALLDIR="$(lua_get_cmod_dir)" \
+		install
+}
+
+src_install() {
+	lua_foreach_impl lua_src_install
+	einstalldocs
+}
-- 
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