games-simulation/corsix-th: migrate to lua-single.eclass

LuaJIT is in principle supported upstream but requires one to override
cmake detection of the Lua library, and more importantly
dev-lua/luasocket doesn't support this implementation yet.

PUC Lua 5.4 is known not to be supported yet, see e.g.
http://lua-users.org/lists/lua-l/2020-07/msg00047.html

Closes: https://bugs.gentoo.org/752954
Signed-off-by: Marek Szuba <marecki@gentoo.org>

2 files changed, 95 insertions, 0 deletions

diff --git a/games-simulation/corsix-th/corsix-th-0.64-r100.ebuild b/games-simulation/corsix-th/corsix-th-0.64-r100.ebuild
new file mode 100644
index 000000000000..0b163556250d
--- /dev/null
+++ b/games-simulation/corsix-th/corsix-th-0.64-r100.ebuild
@@ -0,0 +1,84 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+LUA_COMPAT=( lua5-{1..3} )
+
+inherit cmake lua-single xdg
+
+MY_PN="CorsixTH"
+MY_PV="$(ver_rs 2 -)"
+
+DESCRIPTION="Open source clone of Theme Hospital"
+HOMEPAGE="https://corsixth.com"
+SRC_URI="https://github.com/${MY_PN}/${MY_PN}/archive/v${MY_PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~x86"
+IUSE="doc +midi +sound +truetype +videos"
+
+REQUIRED_USE="${LUA_REQUIRED_USE}"
+
+RDEPEND="${LUA_DEPS}
+	$(lua_gen_cond_dep '
+		>=dev-lua/luafilesystem-1.5[${LUA_USEDEP}]
+		>=dev-lua/lpeg-0.9[${LUA_USEDEP}]
+		>=dev-lua/luasocket-3.0_rc1-r4[${LUA_USEDEP}]
+	')
+	media-libs/libsdl2[opengl,video]
+	sound? ( media-libs/sdl2-mixer[midi?] )
+	truetype? ( >=media-libs/freetype-2.5.3:2 )
+	videos? ( >=media-video/ffmpeg-2.2.3:0= )
+"
+
+DEPEND="${RDEPEND}"
+
+# Technically, build-time generation of documentation could use any version
+# of Lua (or to be precise: if in src_configure cmake has been told to use
+# LuaJIT documentation generation looks for LuaJIT, otherwise any
+# dev-lang/lua slot will do; see the first few lines of the bundled file
+# CMake/GenerateDoc.cmake for details) - but since dev-lang/lua:0 conflicts
+# with the other slots of same, try to keep the deptree sane until we get
+# rid of unslotted Lua.
+BDEPEND="
+	virtual/pkgconfig
+	doc? (
+		app-doc/doxygen[dot]
+		${LUA_DEPS}
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.64-cmake_lua_detection.patch
+)
+
+S="${WORKDIR}/${MY_PN}-${MY_PV}"
+
+src_prepare() {
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DLUA_VERSION=$(lua_get_version)
+		-DWITH_AUDIO=$(usex sound)
+		-DWITH_FREETYPE2=$(usex truetype)
+		-DWITH_MOVIES=$(usex videos)
+	)
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile
+	use doc && cmake_src_compile doc
+}
+
+src_install() {
+	cmake_src_install
+	dodoc {changelog,CONTRIBUTING}.txt
+
+	docinto html
+	use doc && dodoc -r "${BUILD_DIR}"/doc/*
+}
diff --git a/games-simulation/corsix-th/files/corsix-th-0.64-cmake_lua_detection.patch b/games-simulation/corsix-th/files/corsix-th-0.64-cmake_lua_detection.patch
new file mode 100644
index 000000000000..d57fa953ad05
--- /dev/null
+++ b/games-simulation/corsix-th/files/corsix-th-0.64-cmake_lua_detection.patch
@@ -0,0 +1,11 @@
+--- a/CorsixTH/CMakeLists.txt
++++ b/CorsixTH/CMakeLists.txt
+@@ -103,7 +103,7 @@
+ endif()
+ 
+ # Find Lua
+-find_package(Lua REQUIRED)
++find_package(Lua ${LUA_VERSION} EXACT REQUIRED)
+ if(Lua_FOUND)
+   target_link_libraries(CorsixTH ${LUA_LIBRARY})
+   include_directories(${LUA_INCLUDE_DIR})