games-arcade/asteroid: update EAPI 7 -> 8, fix build

with gcc 15, cmake 4

Closes: https://bugs.gentoo.org/944250
Signed-off-by: Alexey Sokolov <alexey+gentoo@asokolov.org>
Part-of: https://github.com/gentoo/gentoo/pull/41781
Closes: https://github.com/gentoo/gentoo/pull/41781
Signed-off-by: Sam James <sam@gentoo.org>

games-arcade/asteroid/asteroid-1.2.1-r1.ebuild

@@ -0,0 +1,37 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Modern version of the arcade classic that uses OpenGL"
+HOMEPAGE="https://chazomaticus.github.io/asteroid/"
+SRC_URI="https://github.com/chazomaticus/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="
+	media-libs/freeglut
+	media-libs/libsdl
+	media-libs/sdl-mixer
+	virtual/glu
+	virtual/opengl
+	x11-libs/gtk+:2
+"
+DEPEND="${RDEPEND}"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-libm.patch
+	"${FILESDIR}"/${P}-cmake4.patch
+	"${FILESDIR}"/${P}-gcc15.patch
+)
+
+src_configure() {
+	local mycmakeargs=(
+		-DOpenGL_GL_PREFERENCE=GLVND
+	)
+	cmake_src_configure
+}

games-arcade/asteroid/files/asteroid-1.2.1-cmake4.patch

@@ -0,0 +1,12 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,8 +1,8 @@
++cmake_minimum_required(VERSION 3.31)
+ project(Asteroid)
+ set(Asteroid_BUILD_VERSION "1.2.1")
+ 
+ # Dependencies
+-cmake_minimum_required(VERSION 2.6)
+ find_package(OpenGL REQUIRED)
+ if(NOT OPENGL_FOUND)
+    message(FATAL_ERROR "Error: OpenGL not found")

games-arcade/asteroid/files/asteroid-1.2.1-gcc15.patch

@@ -0,0 +1,13 @@
+https://bugs.gentoo.org/944250
+
+--- a/src/main.c
++++ b/src/main.c
+@@ -244,7 +244,7 @@ void GameTimer(int v)
+ }
+ 
+ #ifdef CFG_GTK
+-static gboolean DisplayDialog()
++static gboolean DisplayDialog(void* a)
+ {
+    GtkWidget * dialog = gtk_message_dialog_new(NULL,
+       GTK_DIALOG_MODAL, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, ASTEROIDS_ABOUT);