melonds_libretro: a port of MelonDS to the libretro API (#2391)

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

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+display_name = "Nintendo - DS (melonDS)"
+authors = "StapleButter"
+supported_extensions = "nds"
+corename = "melonDS"
+manufacturer = "Nintendo"
+categories = "Emulator"
+systemname = "Nintendo DS"
+database = "Nintendo - Nintendo DS|Nintendo - Nintendo DS Decrypted|Nintendo - Nintendo DS (Download Play)"
+license = "GPLv3"
+permissions = ""
+display_version = "@DISPLAY_VERSION@"
+supports_no_game = "false"
+firmware_count = 3
+firmware0_desc = "firmware.bin (NDS Firmware)"
+firmware0_path = "firmware.bin"
+firmware0_opt = "false"
+firmware1_desc = "bios7.bin (ARM7 BIOS)"
+firmware1_path = "bios7.bin"
+firmware1_opt = "false"
+firmware2_desc = "bios9.bin (ARM9 BIOS)"
+firmware2_path = "bios9.bin"
+firmware2_opt = "false"
+notes = "(!) firmware.bin (md5): e45033d9b0fa6b0de071292bba7c9d13|(!) bios7.bin (md5): df692a80a5b1bc90728bc3dfc76cd948|(!) bios9.bin (md5): a392174eb3e572fed6447e956bde4b25"

games-emulation/melonds_libretro/melonds_libretro-0.6b_20180309.recipe

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+SUMMARY="A port of MelonDS, a Nintendo DS emulator to the libretro API"
+DESCRIPTION="MelonDS is a Nintendo DS emulator with emphasis on performance. \
+It is attempting to do things 'right and fast' according to its original \
+author. This is the libretro core based of MelonDS."
+HOMEPAGE="http://melonds.kuribo64.net/"
+COPYRIGHT="2016-2018 StapleButter, the libretro team"
+LICENSE="GNU GPL v3"
+REVISION="1"
+srcGitRev="154197dbcc60a4bc456ae527e80c1d60c070a7a4"
+SOURCE_URI="https://github.com/libretro/melonDS/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="cd35e6759b2f61df6923f994989c2bea139663b6fbcd1adc7305a09889e8f44e"
+SOURCE_FILENAME="melonds-libretro-${portVersion/_/-}-$srcGitRev.tar.gz"
+SOURCE_DIR="melonDS-$srcGitRev"
+ADDITIONAL_FILES="melonds_libretro.info.in"
+
+ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	melonds_libretro$secondaryArchSuffix = $portVersion
+	addon:melonds_libretro$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/melonds_libretro.info.in \
+		> melonds_libretro.info
+	make $jobArgs
+}
+
+INSTALL()
+{
+	install -m 0755 -d "$docDir"
+	install -m 0644 -t "$docDir" LICENSE README.md
+	install -m 0755 -d "$addOnsDir"/libretro
+	install -m 0644 -t "$addOnsDir"/libretro \
+		melonds_libretro.info \
+		melonds_libretro.so
+}