mednafen_vb_libretro: a port of Mednafen VB to the libretro API (#2389)

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

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+display_name = "Nintendo - Virtual Boy (Beetle VB)"
+authors = "Mednafen Team"
+supported_extensions = "vb|vboy|bin"
+corename = "Beetle VB"
+manufacturer = "Nintendo"
+categories = "Emulator"
+systemname = "Virtual Boy"
+database = "Nintendo - Virtual Boy"
+license = "GPLv2"
+permissions = ""
+display_version = "@DISPLAY_VERSION@"
+supports_no_game = "false"

games-emulation/mednafen_vb_libretro/mednafen_vb_libretro-0.9.36.1_20180219.recipe

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+SUMMARY="A standalone port of Mednafen VB to libretro"
+DESCRIPTION="This is a standalone port of Mednafen VB to libretro, a Nintendo \
+Virtual Boy emulator. It is one of Mednafen's original systems."
+HOMEPAGE="https://mednafen.github.io/documentation/vb.html"
+COPYRIGHT="2005-2018 Forgotten, the Mednafen team, the libretro team"
+LICENSE="GNU GPL v2"
+REVISION="1"
+srcGitRev="857a4b2e90d01117aaf0ae714cbb656b903cd139"
+SOURCE_URI="https://github.com/libretro/beetle-vb-libretro/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="e07200e798b1cacc27f2f3327b1a4607381704da5b3bba4801987f7a7ef02433"
+SOURCE_FILENAME="libretro-mednafen-vb-${portVersion/_/-}-$srcGitRev.tar.gz"
+SOURCE_DIR="beetle-vb-libretro-$srcGitRev"
+ADDITIONAL_FILES="mednafen_vb_libretro.info.in"
+
+ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	mednafen_vb_libretro$secondaryArchSuffix = $portVersion
+	addon:mednafen_vb_libretro$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/mednafen_vb_libretro.info.in \
+		> mednafen_vb_libretro.info
+	make $jobArgs
+}
+
+INSTALL()
+{
+	install -m 0755 -d "$docDir"
+	install -m 0644 -t "$docDir" COPYING
+	install -m 0755 -d "$addOnsDir"/libretro
+	install -m 0644 -t "$addOnsDir"/libretro \
+		mednafen_vb_libretro.info \
+		mednafen_vb_libretro.so
+}