nestopia_libretro: a Libretro port of Nestopia (#2464)

games-emulation/nestopia_libretro/additional-files/nestopia_libretro.info.in

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+display_name = "Nintendo - NES / Famicom (Nestopia UE)"
+authors = "Martin Freij|R. Belmont|R. Danbrook"
+supported_extensions = "nes|fds|unf|unif"
+corename = "Nestopia"
+manufacturer = "Nintendo"
+categories = "Emulator"
+systemname = "Nintendo Entertainment System"
+database = "Nintendo - Nintendo Entertainment System|Nintendo - Family Computer Disk System"
+license = "GPLv2"
+permissions = ""
+display_version = "@DISPLAY_VERSION@"
+supports_no_game = "false"
+firmware_count = 2
+firmware0_desc = "NstDatabase.xml (Nestopia UE Database file)"
+firmware0_path = "NstDatabase.xml"
+firmware0_opt = "false"
+firmware1_desc = "disksys.rom (Family Computer Disk System BIOS)"
+firmware1_path = "disksys.rom"
+firmware1_opt = "false"
+notes = "Get NstDatabase.xml from https://github.com/0ldsk00l/nestopia|(!) disksys.rom (md5): ca30b50f880eb660a320674ed365ef7a|Press Retropad L1 to switch disk side."

games-emulation/nestopia_libretro/nestopia_libretro-1.49_20180419.recipe

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+SUMMARY="A port of Nestopia, a Nintendo Entertainment System emulator to the \
+libretro API"
+DESCRIPTION="Nestopia is one of the most accurate NES emulators available \
+and is able to run 99% of commercial games close to perfection. This is the \
+libretro port of the emulator."
+HOMEPAGE="http://nestopia.sourceforge.net/"
+COPYRIGHT="2012-2018 Martin Freij, 0ldSk00l, the libretro team"
+LICENSE="GNU GPL v2"
+REVISION="1"
+srcGitRev="bfa119a5b18f4da8ab881f65980c60d56cbac553"
+SOURCE_URI="https://github.com/libretro/nestopia/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="af3aa63fdc24d224de21d43eb6b4c7808f6bb53d161d9b8882def3f723f94ea7"
+SOURCE_FILENAME="nestopia-libretro-${portVersion/_/-}-$srcGitRev.tar.gz"
+SOURCE_DIR="nestopia-$srcGitRev"
+ADDITIONAL_FILES="nestopia_libretro.info.in"
+
+ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	nestopia_libretro$secondaryArchSuffix = $portVersion
+	addon:nestopia_libretro$secondaryArchSuffix = $portVersion
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix
+	retroarch$secondaryArchSuffix
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	"
+BUILD_PREREQUIRES="
+	cmd:gcc$secondaryArchSuffix
+	cmd:make
+	"
+
+BUILD()
+{
+	sed -e "s/@DISPLAY_VERSION@/v${portVersion/_/-}/" \
+		$portDir/additional-files/nestopia_libretro.info.in \
+		> nestopia_libretro.info
+
+	make -C libretro GIT_VERSION=${srcGitRev:0:7} $jobArgs
+}
+
+INSTALL()
+{
+	install -m 0755 -d "$docDir"
+	install -m 0644 -t "$docDir" AUTHORS ChangeLog COPYING \
+		README.md readme.html NstDatabase.xml
+	install -m 0755 -d "$addOnsDir"/libretro
+	install -m 0644 -t "$addOnsDir"/libretro \
+		nestopia_libretro.info \
+		libretro/nestopia_libretro.so
+}