games-strategy/hedgewars: migrate to lua-single.eclass

Locked to 5.1 but by using a bundled version of FindLua.cmake which only
considers that version rather than looking for the package "Lua51".
Therefore, I have already put machinery in place which requests a specific
Lua version.

BTW. All tests of both this ebuild and its unmigrated counterpart fail with
"unsupported image format" unless media-libs/sdl2-image has been built in
USE=png. Haven't checked what happens at run time.

Closes: https://bugs.gentoo.org/752714
Signed-off-by: Marek Szuba <[email protected]>

games-strategy/hedgewars/files/hedgewars-1.0.0-cmake_lua_version.patch

@@ -0,0 +1,11 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -202,7 +202,7 @@
+ #lua discovery
+ if(LUA_SYSTEM)
+     if(NOT LUA_LIBRARY OR NOT LUA_INCLUDE_DIR)
+-        find_package(Lua)
++        find_package(Lua ${LUA_VERSION} EXACT REQUIRED)
+     endif()
+
+     if(LUA_LIBRARY AND LUA_INCLUDE_DIR)

games-strategy/hedgewars/hedgewars-1.0.0-r100.ebuild

@@ -0,0 +1,112 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+CMAKE_MAKEFILE_GENERATOR=emake
+LUA_COMPAT=( lua5-1 )
+
+inherit cmake lua-single xdg-utils
+
+MY_P=${PN}-src-${PV}
+
+DESCRIPTION="A turn-based strategy, artillery, action and comedy game"
+HOMEPAGE="https://www.hedgewars.org/"
+SRC_URI="https://www.hedgewars.org/download/releases/${MY_P}.tar.bz2"
+
+LICENSE="GPL-2 Apache-2.0 FDL-1.3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="server"
+
+REQUIRED_USE="${LUA_REQUIRED_USE}"
+
+QA_FLAGS_IGNORED="/usr/bin/hwengine" # pascal sucks
+QA_PRESTRIPPED="/usr/bin/hwengine" # pascal sucks
+
+# qtcore:5= - depends on private header
+DEPEND="${LUA_DEPS}
+	>=dev-games/physfs-3.0.1
+	dev-qt/qtcore:5=
+	dev-qt/qtgui:5
+	dev-qt/qtnetwork:5
+	dev-qt/qtwidgets:5
+	media-libs/libpng:0=
+	media-libs/libsdl2:=
+	media-libs/sdl2-image:=
+	media-libs/sdl2-mixer:=[vorbis]
+	media-libs/sdl2-net:=
+	media-libs/sdl2-ttf:=
+	sys-libs/zlib
+	!x86? ( media-video/ffmpeg:= )
+	"
+RDEPEND="${DEPEND}
+	app-arch/xz-utils
+	>=media-fonts/dejavu-2.28
+	media-fonts/wqy-zenhei"
+BDEPEND="
+	dev-qt/linguist-tools:5
+	server? (
+		>=dev-lang/ghc-6.10
+		dev-haskell/entropy
+		dev-haskell/hslogger
+		>=dev-haskell/mtl-2
+		>=dev-haskell/network-2.3
+		dev-haskell/random
+		dev-haskell/regex-tdfa
+		dev-haskell/sandi
+		dev-haskell/sha
+		dev-haskell/vector
+		dev-haskell/utf8-string
+		dev-haskell/yaml
+		>=dev-haskell/zlib-0.5.3 <dev-haskell/zlib-0.6
+	)
+	!x86? ( >=dev-lang/fpc-2.4 )
+	x86? (
+		>=dev-lang/ghc-6.10
+		dev-haskell/parsec
+	)"
+
+PATCHES=(
+	"${FILESDIR}/${P}-qt-5.15.patch"
+	"${FILESDIR}/${PN}-1.0.0-cmake_lua_version.patch"
+)
+
+S="${WORKDIR}"/${MY_P}
+
+src_configure() {
+	local mycmakeargs=(
+		-DMINIMAL_FLAGS=ON
+		-DDATA_INSTALL_DIR="${EPREFIX}/usr/share/${PN}"
+		-Dtarget_binary_install_dir="${EPREFIX}/usr/bin"
+		-Dtarget_library_install_dir="${EPREFIX}/usr/$(get_libdir)"
+		-DNOSERVER=$(usex !server)
+		-DBUILD_ENGINE_C=$(usex x86)
+		-DNOVIDEOREC=$(usex !x86)
+		-DCMAKE_VERBOSE_MAKEFILE=TRUE
+		# Need to tell the build system where the fonts are located
+		# as it uses PhysFS' symbolic link protection mode which
+		# prevents us from symlinking the fonts into the right directory
+		#   https://hg.hedgewars.org/hedgewars/rev/76ad55807c24
+		#   https://icculus.org/physfs/docs/html/physfs_8h.html#aad451d9b3f46f627a1be8caee2eef9b7
+		-DFONTS_DIRS="${EPREFIX}/usr/share/fonts/wqy-zenhei;${EPREFIX}/usr/share/fonts/dejavu"
+		# upstream sets RPATH that leads to weird breakage
+		# https://bugzilla.redhat.com/show_bug.cgi?id=1200193
+		-DCMAKE_SKIP_RPATH=ON
+		-DLUA_VERSION=$(lua_get_version)
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+	doman man/${PN}.6
+}
+
+pkg_postinst() {
+	xdg_desktop_database_update
+}
+
+pkg_postrm() {
+	xdg_desktop_database_update
+}

profiles/package.mask

@@ -578,6 +578,7 @@ dev-lua/luacrypto
 >=games-rpg/sumwars-0.5.8-r100
 >=games-simulation/corsix-th-0.64-r100
 >=games-sports/xmoto-0.6.1-r100
+>=games-strategy/hedgewars-1.0.0-r100
 >=games-util/slade-3.1.12a-r100
 >=mail-filter/imapfilter-2.6.16-r100
 >=media-gfx/geeqie-1.5.1-r1