games-emulation/np2kai: new package

Package-Manager: Portage-3.0.17, Repoman-3.0.2
Signed-off-by: Lino Bigatti <linobigatti@protonmail.com>

games-emulation/np2kai/Manifest

@@ -0,0 +1 @@
+DIST np2kai-22.tar.gz 3189290 BLAKE2B 74856a40ae57a71b1958f5c546ee3c907b1b1f5975715b21ce5a6c3a044a4c9ebf425e6ed1819e2d688e48be3853bb5f161e3e0c5031cd316359f7ebce0d5418 SHA512 47cd75b251dc0382537769225297dd155bb7b95a1fba7417a9c06b56f4fc89b0c38de101a68da8e8d776d456574aa6bf7f4e1490b3666f20469d4bf18e72b6dd

games-emulation/np2kai/files/np2kai-22-autogen.patch

@@ -0,0 +1,10 @@
+--- x11/autogen.sh	2021-04-14 11:11:20.183543382 -0300
++++ x11/autogen.sh	2021-04-14 11:12:06.520539255 -0300
+@@ -4,7 +4,6 @@
+ automake -aci --foreign
+ autoconf
+ rm -f config.h.in~
+-./configure "$@"
+ rm -f ../np2tool/np2tool.d88
+ ( cd ../np2tool && unzip -j -o np2tool.zip )
+ make maintainer-clean > /dev/null 2>&1

games-emulation/np2kai/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>linobigatti@protonmail.com</email>
+		<name>Lino Bigatti</name>
+	</maintainer>
+	<longdescription>
+		Neko project 2 kai (np2kai for short) is a PC-9801 emulator
+		written in C and C++. It allows for i286, ia32 and haxm emulation.
+		It is based on Neko project II.
+	</longdescription>
+	<use>
+		<flag name="sdl">
+			Use <pkg>media-libs/libsdl</pkg> over <pkg>media-libs/libsdl2</pkg>
+		</flag>
+		<flag name="i286">
+			Enable i286 emulation.
+			USE="ia32" or USE="haxm" will disable it, 
+			unless all 3 emulation USE flags are set
+		</flag>
+		<flag name="ia32">Enable ia32 emulation</flag>
+		<flag name="haxm">Enable haxm emulation</flag>
+	</use>
+</pkgmetadata>

games-emulation/np2kai/np2kai-22.ebuild

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+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DESCRIPTION="NP2kai is an emulator for the japanese PC-98 series of computers."
+HOMEPAGE="https://domisan.sakura.ne.jp/article/np2kai/np2kai.html"
+SRC_URI="https://github.com/AZO234/NP2kai/archive/refs/tags/rev.${PV}.tar.gz -> ${P}.tar.gz"
+
+PATCHES=(
+	"${FILESDIR}/${P}-autogen.patch"
+)
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+
+IUSE="sdl +i286 ia32 haxm"
+
+# Configure crashes if sdl AND sdl2 are not present, even if the options are off
+# It also requires sdl2-ttf even when building for sdl
+DEPEND="sys-libs/glibc
+	media-libs/libsdl
+	sdl? ( media-libs/sdl-mixer )
+	sdl? ( media-libs/sdl-ttf )
+	media-libs/libsdl2
+	!sdl? ( media-libs/sdl2-mixer )
+	media-libs/sdl2-ttf
+	virtual/libusb
+	x11-base/xorg-server
+	x11-libs/gtk+:2"
+
+RDEPEND="${DEPEND}"
+BDEPEND="sys-devel/gcc
+	sys-devel/automake
+	dev-util/cmake"
+
+S=${WORKDIR}/NP2kai-rev.${PV}/x11
+
+src_configure() {
+	bash ${S}/autogen.sh
+	sdlconf=$(usex sdl "--enable-sdl --enable-sdlmixer --enable-sdlttf
+						--disable-sdl2 --disable-sdl2mixer --disable-sdl2ttf" \
+						"--enable-sdl2 --enable-sdl2mixer --enable-sdl2ttf
+						--disable-sdl --disable-sdlmixer --disable-sdlttf" )
+	features=$(	if use i286 && use ia32 && use haxm ; \
+					then echo --enable-build-all ; \
+					else echo $(use_enable ia32) $(use_enable haxm) ; \
+				fi )
+	econf ${sdlconf} ${features}
+}
+
+pkg_postinst() {
+	if [ "${features}" = "--enable-build-all" ] ; then 
+		cfgname="{xnp2kai, xnp21kai}"
+	elif ! use ia32 && ! use haxm ; then
+		cfgname="xnp2kai"
+	else
+		cfgname="xnp21kai"
+	fi
+
+	elog  	"Japanese fonts are needed to use the emulator."
+	elog   	"Please run the following command to configure them:"
+	elog	"mkdir -p ~/.config/${cfgname} && ln -s /path/to/font.ttf ~/.config/${cfgname}/default.ttf && rm ~/.config/${cfgname}/font.tmp"
+
+	elog	"Neko project 2 requires a BIOS dump to work."
+	elog	"Please dump the BIOS from your device and put the files under ~/.config/${cfgname}"
+}