--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools
+
+DESCRIPTION="HP48 Calculator Emulator"
+HOMEPAGE="http://x48.berlios.de/"
+SRC_URI="mirror://sourceforge/x48.berlios/${P}.tar.bz2"
+LICENSE="GPL-3"
+
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86"
+IUSE="readline"
+
+RDEPEND="x11-libs/libX11
+ x11-libs/libXext
+ readline? ( sys-libs/readline:5 )"
+DEPEND="${RDEPEND}
+ virtual/pkgconfig
+ x11-libs/libXt"
+
+src_unpack() {
+ mkdir -p "${S}"
+ cd "${S}"
+ unpack ${A}
+}
+
+src_prepare() {
+ eapply_user
+ sed -i '698s/inline/static inline/' src/emulate.c || die
+ eautoreconf
+}
+
+src_configure() {
+ econf $(use_enable readline)
+}
+
+src_install() {
+ emake DESTDIR="${D}" install
+ insinto /usr/share/"${PN}"/romdump
+ doins -r romdump/{README,ROMDump*}
+ dodoc AUTHORS README ChangeLog
+}
+
+pkg_postinst() {
+ elog "The X48 emulator requires an HP48 ROM image to run."
+ elog
+ elog "If you own an HP-48 calculator, you can use the ROMDump utility"
+ elog "included with this package to obtain it from your calculator."
+ elog "The instructions of how to do this are included in the package."
+ elog
+ elog "Alternatively, HP has provided the ROM images for non-commercial"
+ elog "use only."
+ elog
+ elog "Due to confusion over the legal status of these ROMs you must"
+ elog "manually download one from http://www.hpcalc.org/hp48/pc/emulators/"
+ elog
+ elog "If you do not know which one to use, try 'HP 48GX Revision R ROM.'"
+ elog
+ elog "Once you have a ROM, you will need to install it by running:"
+ elog
+ elog "x48 -rom gxrom-r"
+ elog
+ elog "You will only have to do this the first time you run X48. The"
+ elog "ROM will be stored in ~/.hp48/rom for future runs."
+}