games-engines/box2d: Fix CMake <3.10 warning

Closes: https://bugs.gentoo.org/964480
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

games-engines/box2d/box2d-2.4.2-r1.ebuild

@@ -0,0 +1,45 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="C++ engine for simulating rigid bodies in 2D games"
+HOMEPAGE="https://box2d.org/"
+SRC_URI="https://github.com/erincatto/Box2D/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="ZLIB"
+SLOT="0"
+KEYWORDS="amd64 ~arm arm64 ~loong ppc64 ~riscv x86"
+IUSE="doc test"
+RESTRICT="!test? ( test )"
+
+DEPEND="test? ( dev-cpp/doctest )"
+BDEPEND="doc? ( app-text/doxygen )"
+
+PATCHES=(
+	"${FILESDIR}/${P}-sandbox-error.patch" # bug 907072, downstream
+	"${FILESDIR}/${P}-cmake-minreqver-3.10.patch" # bug 964480, on par w/ git master
+)
+
+src_prepare() {
+	cmake_src_prepare
+
+	# unbundle doctest
+	rm unit-test/doctest.h || die
+	ln -s "${ESYSROOT}"/usr/include/doctest/doctest.h unit-test/ || die
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DBOX2D_BUILD_TESTBED=OFF # bundled libs, broken anyway right now
+		-DBOX2D_BUILD_UNIT_TESTS=$(usex test)
+		-DBOX2D_BUILD_DOCS=$(usex doc)
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	"${BUILD_DIR}"/bin/unit_test || die
+}

games-engines/box2d/files/box2d-2.4.2-cmake-minreqver-3.10.patch

@@ -0,0 +1,8 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 3.8)
++cmake_minimum_required(VERSION 3.10..3.22)
+ 
+ # https://cmake.org/cmake/help/latest/command/project.html
+ project(box2d VERSION 2.4.1)