diff --git a/games-misc/opensfx/opensfx-1.0.3.ebuild b/games-misc/opensfx/opensfx-1.0.3.ebuild
index e36280e714b0a..f8e89bd702e27 100644
--- a/games-misc/opensfx/opensfx-1.0.3.ebuild
+++ b/games-misc/opensfx/opensfx-1.0.3.ebuild
@@ -1,8 +1,12 @@
-# Copyright 1999-2022 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
+PYTHON_COMPAT=( python3_{10..13} python3_13t )
+
+inherit python-any-r1 toolchain-funcs
+
 DESCRIPTION="OpenSFX data files for OpenTTD"
 HOMEPAGE="https://wiki.openttd.org/en/Basesets/OpenSFX https://github.com/OpenTTD/OpenSFX"
 SRC_URI="https://cdn.openttd.org/opensfx-releases/${PV}/${P}-source.tar.xz"
@@ -12,13 +16,44 @@ LICENSE="CC-BY-SA-3.0 CDDL-1.1 GPL-2+"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86"
 
-DEPEND="games-util/catcodec"
+BDEPEND="
+	games-util/catcodec
+	games-util/grfcodec
+	${PYTHON_DEPS}
+"
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-1.0.3-no-which.patch
 )
 
-src_install() {
-	emake INSTALL_DIR="${ED}/usr/share/openttd/baseset/" install
-	dodoc docs/{changelog.txt,readme.ptxt}
+src_compile() {
+	myemakeargs=(
+		GIMP=""
+		PYTHON="${EPYTHON}"
+		CC="$(tc-getCC)"
+
+		# Make logs verbose
+		_V=
+		_E=echo
+	)
+
+	emake "${myemakeargs[@]}" all
+}
+
+src_test() {
+	emake "${myemakeargs[@]}" check
+}
+
+src_install() {
+	myemakeargs+=(
+		DO_NOT_INSTALL_README="true"
+		DO_NOT_INSTALL_LICENSE="true"
+		DO_NOT_INSTALL_CHANGELOG="true"
+		INSTALL_DIR="${ED}/usr/share/openttd/baseset/"
+	)
+
+	emake "${myemakeargs[@]}" install
+
+	dodoc docs/{changelog.txt,readme.ptxt}
+	einstalldocs
 }