dev-lua/lpeg: migrate to lua eclass

Closes: https://bugs.gentoo.org/752612
Package-Manager: Portage-3.0.9, Repoman-3.0.2
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

dev-lua/lpeg/lpeg-1.0.2-r100.ebuild

@@ -0,0 +1,77 @@
+# 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 flag-o-matic toolchain-funcs
+
+DESCRIPTION="Parsing Expression Grammars for Lua"
+HOMEPAGE="http://www.inf.puc-rio.br/~roberto/lpeg/"
+SRC_URI="http://www.inf.puc-rio.br/~roberto/${PN}/${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~sparc ~x86"
+IUSE="debug test"
+REQUIRED_USE="${LUA_REQUIRED_USE}"
+RESTRICT="!test? ( test )"
+
+RDEPEND="${LUA_DEPS}"
+DEPEND="${RDEPEND}"
+BDEPEND="virtual/pkgconfig"
+
+HTML_DOCS=( "lpeg.html" "lpeg-128.gif" "re.html" )
+
+PATCHES=( "${FILESDIR}/${PN}-1.0.2-makefile.patch" )
+
+src_prepare() {
+	default
+
+	use debug && append-cflags -DLPEG_DEBUG
+}
+
+lua_src_compile() {
+	# Clean project to compile it for every lua slot
+	emake clean
+
+	local myemakeargs=(
+		CC="$(tc-getCC)"
+		LUADIR="$(lua_get_include_dir)"
+	)
+
+	emake "${myemakeargs[@]}"
+
+	# Copy module to match the choosen LUA implementation
+	cp "lpeg.so" "lpeg-${ELUA}.so" || die
+}
+
+src_compile() {
+	lua_foreach_impl lua_src_compile
+}
+
+lua_src_test() {
+	LUA_CPATH="${S}/lpeg-${ELUA}.so" ${ELUA} test.lua || die
+}
+
+src_test() {
+	lua_foreach_impl lua_src_test
+}
+
+lua_src_install() {
+	# Use correct module for the choosen LUA implementation
+	cp "lpeg-${ELUA}.so" "lpeg.so" || die
+
+	exeinto $(lua_get_cmod_dir)
+	doexe lpeg.so
+
+	insinto $(lua_get_lmod_dir)
+	doins re.lua
+}
+
+src_install() {
+	lua_foreach_impl lua_src_install
+
+	einstalldocs
+}