dev-games/godot: add 4.5

Haven't overly tested new USE combinations due to being
a long build, but hopefully is fine.

Signed-off-by: Ionen Wolkens <ionen@gentoo.org>

dev-games/godot/Manifest

@@ -1,2 +1,3 @@
 DIST godot-4.3-stable.tar.xz 29140004 BLAKE2B 0698cf6c8ba853d094c39b461efe998c57a7de0609701e46cca48b17c29eca3da29c8644aa356cff330d1d3ae88048afc2148f5389d57cdfa1dd26784e6d9a44 SHA512 6e1eaba5c3447527ce60d623f7f81cbd90633a5a1ad4c6dd469055a43c8fb9b4807fcd3bae25331294596c2418eb6c0c9db0871c3e1405ddcc7d84e29c39a45b
 DIST godot-4.4.1-stable.tar.xz 37561040 BLAKE2B 6c424f1faa28b43a9835ea80a75de273f81877e180c0664b39080a7fa57d4d580a9b9fc6bed50a308f3a15a429c9b93d63cee99a347d6cf1cbe87b870a76f284 SHA512 f67882a70dc9e2d2efbbc9cda657f292ba05bb4c8341809c56fe054979032a93b04f9125815865efeaa269cf404010eb74f075a37faebb2a8f28be5abb706480
+DIST godot-4.5-stable.tar.xz 42771064 BLAKE2B 3a3e816f124bf26a20d6ecb256e49ce8939687c2b21ac527e7e4b6543ef54137ef11df31e1c5bcbbb061d9b426d58d22ef37256965870fd2c9bfe06d6315736f SHA512 046428d8c336747d1853e4a2cdab82e3d6605d25c64dc85efdaa600cbca7436e59e32b401e89b92bcef42059afb2b9156bbce85c34a658cf76957830bd829d50

dev-games/godot/files/godot-4.5-scons.patch

@@ -0,0 +1,16 @@
+--- a/SConstruct
++++ b/SConstruct
+@@ -304,2 +304,3 @@
+ opts.Add("CC", "C compiler binary")
++opts.Add("AR", "Archiver")
+ opts.Add("LINK", "Linker binary")
+@@ -745,3 +746,3 @@
+         # `-msse2` is implied when compiling for x86_64.
+-        env.Append(CCFLAGS=["-msse4.2", "-mpopcnt"])
++        pass
+ elif env["arch"] == "x86_32":
+@@ -817,3 +818,3 @@
+         else:
+-            env.AppendUnique(LINKFLAGS=["-s"])
++            pass
+ 

dev-games/godot/godot-4.5.ebuild

@@ -0,0 +1,238 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..13} )
+inherit desktop python-any-r1 flag-o-matic scons-utils
+inherit shell-completion toolchain-funcs xdg
+
+DESCRIPTION="Multi-platform 2D and 3D game engine with a feature-rich editor"
+HOMEPAGE="https://godotengine.org/"
+SRC_URI="
+	https://downloads.tuxfamily.org/godotengine/${PV}/${P}-stable.tar.xz
+	https://github.com/godotengine/godot/releases/download/${PV}-stable/${P}-stable.tar.xz
+"
+S=${WORKDIR}/${P}-stable
+
+LICENSE="
+	MIT
+	Apache-2.0 BSD Boost-1.0 CC0-1.0 IJG Unlicense ZLIB
+	gui? ( CC-BY-4.0 ) tools? ( OFL-1.1 )
+"
+SLOT="0"
+KEYWORDS="~amd64"
+# Enable roughly same as upstream by default so it works as expected,
+# except raycast (tools-only heavy dependency), and deprecated.
+IUSE="
+	accessibility alsa +dbus debug deprecated double-precision +fontconfig
+	+gui pulseaudio raycast speech test +sdl +theora +tools +udev +upnp
+	+vulkan wayland +webp
+"
+REQUIRED_USE="wayland? ( gui )"
+# TODO: tests still need more figuring out
+RESTRICT="test"
+
+# dlopen: libglvnd
+RDEPEND="
+	app-arch/brotli:=
+	app-arch/zstd:=
+	dev-games/recastnavigation:=
+	dev-libs/icu:=
+	dev-libs/libpcre2:=[pcre32]
+	media-libs/freetype[brotli,harfbuzz]
+	media-libs/harfbuzz:=[icu]
+	media-libs/libogg
+	media-libs/libpng:=
+	media-libs/libvorbis
+	>=net-libs/mbedtls-3.6.2-r101:3=
+	net-libs/wslay
+	sys-libs/zlib:=
+	alsa? ( media-libs/alsa-lib )
+	dbus? ( sys-apps/dbus )
+	fontconfig? ( media-libs/fontconfig )
+	gui? (
+		media-libs/libglvnd
+		x11-libs/libX11
+		x11-libs/libXcursor
+		x11-libs/libXext
+		x11-libs/libXi
+		x11-libs/libXinerama
+		x11-libs/libXrandr
+		x11-libs/libXrender
+		x11-libs/libxkbcommon
+		tools? ( raycast? ( media-libs/embree:4 ) )
+		vulkan? ( media-libs/vulkan-loader[X,wayland?] )
+	)
+	pulseaudio? ( media-libs/libpulse )
+	sdl? ( media-libs/libsdl3 )
+	speech? ( app-accessibility/speech-dispatcher )
+	theora? (
+		media-libs/libtheora:=
+		tools? ( media-libs/libtheora[encode] )
+	)
+	tools? ( app-misc/ca-certificates )
+	udev? ( virtual/udev )
+	upnp? ( net-libs/miniupnpc:= )
+	wayland? (
+		dev-libs/wayland
+		gui-libs/libdecor
+	)
+	webp? ( media-libs/libwebp:= )
+"
+DEPEND="
+	${RDEPEND}
+	gui? ( x11-base/xorg-proto )
+	tools? ( test? ( dev-cpp/doctest ) )
+"
+BDEPEND="
+	virtual/pkgconfig
+	wayland? ( dev-util/wayland-scanner )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-4.5-scons.patch
+)
+
+src_prepare() {
+	default
+
+	# mbedtls normally has mbedtls.pc, but Gentoo's slotted one is mbedtls-3.pc
+	sed -E "/pkg-config/s/(mbedtls|mbedcrypto|mbedx509)/&-3/g" \
+		-i platform/linuxbsd/detect.py || die
+
+	sed -i "s|pkg-config |$(tc-getPKG_CONFIG) |" platform/linuxbsd/detect.py || die
+
+	# use of builtin_ switches can be messy (see below), delete to be sure
+	local unbundle=(
+		brotli doctest embree freetype graphite harfbuzz icu4c libogg
+		libpng libtheora libvorbis libwebp linuxbsd_headers mbedtls
+		miniupnpc pcre2 recastnavigation sdl volk wslay zlib zstd
+		# certs: unused by generated header, but scons panics if not found
+	)
+	rm -r "${unbundle[@]/#/thirdparty/}" || die
+
+	ln -s -- "${ESYSROOT}"/usr/include/doctest thirdparty/ || die
+}
+
+src_compile() {
+	local -x BUILD_NAME=gentoo # replaces "custom_build" in version string
+
+	filter-lto #921017
+
+	local esconsargs=(
+		AR="$(tc-getAR)" CC="$(tc-getCC)" CXX="$(tc-getCXX)"
+
+		progress=no
+		verbose=yes
+
+		target=$(usex tools editor template_$(usex debug{,} release))
+		dev_build=$(usex debug)
+		tests=$(usex tools $(usex test)) # bakes in --test in final binary
+
+		accesskit=$(usex accessibility)
+		alsa=$(usex alsa)
+		dbus=$(usex dbus)
+		deprecated=$(usex deprecated)
+		precision=$(usex double-precision double single)
+		execinfo=no # not packaged, disables crash handler if non-glibc
+		fontconfig=$(usex fontconfig)
+		opengl3=$(usex gui)
+		pulseaudio=$(usex pulseaudio)
+		sdl=$(usex sdl)
+		speechd=$(usex speech)
+		udev=$(usex udev)
+		use_sowrap=no
+		use_volk=no # unnecessary when linking directly to libvulkan
+		vulkan=$(usex gui $(usex vulkan))
+		wayland=$(usex wayland)
+		# TODO: retry to add optional USE=X, wayland support is new
+		# and gui build is not well wired to handle USE="-X wayland" yet
+		x11=$(usex gui)
+
+		system_certs_path="${EPREFIX}"/etc/ssl/certs/ca-certificates.crt
+
+		# platform/*/detect.py uses builtin_* switches to check if need
+		# to link with system libraries, but many ignore whether the dep
+		# is actually used, so "enable" deleted builtins on disabled deps
+		builtin_accesskit=yes # not packaged
+		builtin_brotli=no
+		builtin_certs=no
+		builtin_clipper2=yes # not packaged
+		builtin_embree=$(usex !gui yes $(usex !tools yes $(usex !raycast)))
+		builtin_enet=yes # bundled copy is patched for IPv6+DTLS support
+		builtin_freetype=no
+		builtin_glslang=yes #879111 (for now, may revisit if more stable)
+		builtin_graphite=no
+		builtin_harfbuzz=no
+		builtin_icu4c=no
+		# TODO: keep an eye on https://github.com/godotengine/godot/pull/110540
+		# (reminder: drop IJG and add libjpeg-turbo to unbundle array)
+		builtin_libjpeg_turbo=yes
+		builtin_libogg=no
+		builtin_libpng=no
+		builtin_libtheora=$(usex !theora)
+		builtin_libvorbis=no
+		builtin_libwebp=$(usex !webp)
+		builtin_mbedtls=no
+		builtin_miniupnpc=$(usex !upnp)
+		builtin_msdfgen=yes # not wired for unbundling nor packaged
+		builtin_openxr=yes # not packaged
+		builtin_pcre2=no
+		builtin_recastnavigation=no
+		builtin_rvo2=yes # bundled copy has godot-specific changes
+		builtin_sdl=$(usex !sdl)
+		builtin_wslay=no
+		builtin_xatlas=yes # not wired for unbundling nor packaged
+		builtin_zlib=no
+		builtin_zstd=no
+		# (more is bundled in third_party/ but they lack builtin_* switches)
+
+		# modules with optional dependencies, "possible" to disable more but
+		# gets messy and breaks all sorts of features (expected enabled)
+		module_mono_enabled=no # unhandled
+		# note raycast is only enabled on amd64+arm64 and USE should
+		# be masked for other keywords if added, see raycast/config.py
+		module_raycast_enabled=$(usex gui $(usex tools $(usex raycast)))
+		module_theora_enabled=$(usex theora)
+		module_upnp_enabled=$(usex upnp)
+		module_webp_enabled=$(usex webp)
+
+		# let *FLAGS handle these
+		debug_symbols=no
+		lto=none
+		optimize=custom
+		use_static_cpp=no
+	)
+
+	escons "${esconsargs[@]}"
+}
+
+src_test() {
+	xdg_environment_reset
+
+	bin/godot* --headless --test || die
+}
+
+src_install() {
+	# suffix varies depending on arch/features, use wildcard to simplify
+	newbin bin/godot* godot
+
+	doman misc/dist/linux/godot.6
+	dodoc AUTHORS.md CHANGELOG.md DONORS.md README.md
+
+	if use gui; then
+		newicon icon.svg godot.svg
+		domenu misc/dist/linux/org.godotengine.Godot.desktop
+
+		insinto /usr/share/metainfo
+		doins misc/dist/linux/org.godotengine.Godot.appdata.xml
+
+		insinto /usr/share/mime/application
+		doins misc/dist/linux/org.godotengine.Godot.xml
+	fi
+
+	newbashcomp misc/dist/shell/godot.bash-completion godot
+	newfishcomp misc/dist/shell/godot.fish godot.fish
+	newzshcomp misc/dist/shell/_godot.zsh-completion _godot
+}