bluemsx_libretro: MSX/Coleco/SG-1000 emulator core (#2287)

for the libretro API

app-emulation/bluemsx_libretro/bluemsx_libretro-2.9.0_20180219.recipe

@@ -0,0 +1,52 @@
+SUMMARY="MSX/Coleco/SG-1000 emulator core for the libretro API"
+DESCRIPTION="This is a libretro port of BlueMSX, originally an emulator of \
+MSX/MSX2 computers. BlueMSX is now able to also emulate the Colecovision and \
+the Sega SG-1000 systems."
+HOMEPAGE="http://bluemsx.msxblue.com/"
+COPYRIGHT="2003-2018 Daniel Vik, the libretro team"
+LICENSE="GNU GPL v2"
+REVISION="1"
+srcGitRev="997643b92b3fc5947b7678841a1cd60375e6f78d"
+SOURCE_URI="https://github.com/libretro/blueMSX-libretro/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="187bcc77c2f99dbef6b88a0f41d9c45926f39339daa34f511c535b9da0f9f6ab"
+SOURCE_FILENAME="libretro-bluemsx-${portVersion/_/-}-$srcGitRev.tar.gz"
+SOURCE_DIR="blueMSX-libretro-$srcGitRev"
+ADDITIONAL_FILES="bluemsx_libretro.info.in"
+
+ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	bluemsx_libretro$secondaryArchSuffix = $portVersion
+	addon:bluemsx_libretro$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/bluemsx_libretro.info.in \
+		> bluemsx_libretro.info
+	make -f Makefile.libretro $jobArgs
+}
+
+INSTALL()
+{
+	install -m 0755 -d "$docDir"
+	install -m 0644 -t "$docDir" README.md changes.txt
+	install -m 0755 -d "$addOnsDir"/libretro
+	install -m 0644 -t "$addOnsDir"/libretro \
+		bluemsx_libretro.info \
+		bluemsx_libretro.so
+}