games-misc/ballerburg: Fix installation details

Closes: https://bugs.gentoo.org/730870
Package-Manager: Portage-3.0.8, Repoman-3.0.2
Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>

games-misc/ballerburg/ballerburg-1.2.0-r1.ebuild

@@ -0,0 +1,29 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit cmake-utils
+
+DESCRIPTION="Linux port of the classical Atari ST game Ballerburg"
+HOMEPAGE="http://baller.tuxfamily.org/"
+SRC_URI="http://download.tuxfamily.org/baller/${P}.tar.gz"
+
+LICENSE="GPL-3+"
+SLOT="0"
+KEYWORDS="~amd64"
+
+DEPEND="media-libs/libsdl"
+RDEPEND="${DEPEND}"
+
+src_configure() {
+	local mycmakeargs=(
+		-DDOCDIR=share/doc/${PF}
+	)
+	cmake-utils_src_configure
+}
+
+src_install() {
+	cmake-utils_src_install
+	gunzip "${ED}usr/share/man/man6/ballerburg.6.gz" || die
+}