1 files changed, 69 insertions, 0 deletions
diff --git a/games-simulation/EmptyEpsilon/EmptyEpsilon-2021.06.23-r1.ebuild b/games-simulation/EmptyEpsilon/EmptyEpsilon-2021.06.23-r1.ebuild
new file mode 100644
index 000000000000..046224a20d14
--- /dev/null
+++ b/games-simulation/EmptyEpsilon/EmptyEpsilon-2021.06.23-r1.ebuild
@@ -0,0 +1,69 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake toolchain-funcs
+
+DESCRIPTION="A spaceship bridge simulator game."
+HOMEPAGE="https://daid.github.io/EmptyEpsilon/"
+# This bundles SeriousProton as the build system does not support using
+# a separate SeriousProton instance (and currently EmptyEpsilon seems to
+# be the only consumer).
+SRC_URI="https://github.com/daid/EmptyEpsilon/archive/EE-${PV}.tar.gz -> EmptyEpsilon-${PV}.tar.gz
+	https://github.com/daid/SeriousProton/archive/EE-${PV}.tar.gz -> SeriousProton-${PV}.tar.gz"
+
+# EmptyEpsilon is mostly licensed under GPL, however the art ressources
+# use Creative Commons and the bundled SeriousProton is MIT-licensed.
+LICENSE="GPL-2 CC-BY-SA-3.0 MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="
+	>=dev-cpp/json11-1.0.0
+	media-libs/libglvnd
+	media-libs/libsfml
+	>=media-libs/glm-0.9.9.8
+"
+DEPEND="${RDEPEND}"
+
+S="${WORKDIR}/EmptyEpsilon-EE-${PV}"
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} == "binary" ]]; then
+		return
+	fi
+
+	if tc-is-gcc; then
+		if [[ $(gcc-major-version) -lt 11 ]]; then
+			# ld: /usr/lib64/libsfml-audio.so: undefined reference to `std::__throw_bad_array_new_length()@GLIBCXX_3.a4.29'
+			eerror "${PN} requires GCC >= 11. Run gcc-config to switch your default compiler."
+			die "Need at least GCC >= 11"
+		fi
+	fi
+}
+
+src_prepare() {
+	eapply "${FILESDIR}/${PN}-Install-EmptyEpsilon.desktop.patch"
+	eapply "${FILESDIR}/${PN}-Make-CMake-call-find_package-glm.patch"
+	eapply --directory="${WORKDIR}/SeriousProton-EE-${PV}" \
+		   "${FILESDIR}/SeriousProton-Unbundle-json11.patch"
+
+	eapply_user
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	local version=( $(ver_rs 1- ' ') )
+	local mycmakeargs=(
+		-DSERIOUS_PROTON_DIR="${WORKDIR}/SeriousProton-EE-${PV}/"
+		-DOpenGL_GL_PREFERENCE=GLVND
+		-DCPACK_PACKAGE_VERSION="${PV}"
+		-DCPACK_PACKAGE_VERSION_MAJOR="${version[0]}"
+		-DCPACK_PACKAGE_VERSION_MINOR="${version[1]}"
+		-DCPACK_PACKAGE_VERSION_PATCH="${version[2]}"
+	)
+
+	cmake_src_configure
+}