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

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+display_name = "Nintendo - Game Boy / Color (Gambatte)"
+authors = "Sinamas"
+supported_extensions = "gb|gbc|dmg"
+corename = "Gambatte"
+manufacturer = "Nintendo"
+categories = "Emulator"
+systemname = "Game Boy/Game Boy Color"
+database = "Nintendo - Game Boy|Nintendo - Game Boy Color"
+license = "GPLv2"
+permissions = ""
+display_version = "@DISPLAY_VERSION@"
+supports_no_game = "false"
+firmware_count = 2
+firmware0_desc = "gb_bios.bin (Game Boy BIOS)"
+firmware0_path = "gb_bios.bin"
+firmware0_opt = "true"
+firmware1_desc = "gbc_bios.bin (Game Boy Color BIOS)"
+firmware1_path = "gbc_bios.bin"
+firmware1_opt = "true"
+notes = "(!) gb_bios.bin (md5): 32fbbd84168d3482956eb3c5051637f5|(!) gbc_bios.bin (md5): dbfce9db9deaa2567f6a84fde55f9680"

games-emulation/gambatte_libretro/gambatte_libretro-0.5.0_20180222.recipe

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+SUMMARY="A port of Gambatte, a Nintendo Game Boy emulator to the libretro API"
+DESCRIPTION="Gambatte is an accuracy-focused, open-source, cross-platform \
+Game Boy Color emulator written in C++. It is based on hundreds of corner case \
+hardware tests, as well as previous documentation and reverse engineering \
+efforts."
+HOMEPAGE="https://github.com/sinamas/gambatte"
+COPYRIGHT="2007-2018 Sindre Aamås, the libretro team"
+LICENSE="GNU GPL v2"
+REVISION="1"
+srcGitRev="f946c6d8c3649d177962b6e588c4243989ebeca0"
+SOURCE_URI="https://github.com/libretro/gambatte-libretro/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="5962f39e41ecc6fcf596dacdee4e7b20b26fe389a5ceede46711e75618eff55b"
+SOURCE_FILENAME="gambatte-libretro-${portVersion/_/-}-$srcGitRev.tar.gz"
+SOURCE_DIR="gambatte-libretro-$srcGitRev"
+ADDITIONAL_FILES="gambatte_libretro.info.in"
+
+ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	gambatte_libretro$secondaryArchSuffix = $portVersion
+	addon:gambatte_libretro$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/gambatte_libretro.info.in \
+		> gambatte_libretro.info
+	make -f Makefile.libretro $jobArgs
+}
+
+INSTALL()
+{
+	install -m 0755 -d "$docDir"
+	install -m 0644 -t "$docDir" COPYING README.md
+	install -m 0755 -d "$addOnsDir"/libretro
+	install -m 0644 -t "$addOnsDir"/libretro \
+		gambatte_libretro.info \
+		gambatte_libretro.so
+}