easyrpg_libretro: an RPG Maker game player (#2320)

using the libretro API

games-engines/easyrpg_libretro/additional-files/easyrpg_libretro.info.in

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+display_name = "RPG Maker 2000/2003 (EasyRPG)"
+authors = "EasyRPG team"
+supported_extensions = "ini"
+corename = "EasyRPG"
+categories = "Game"
+database = "RPG Maker 2000|RPG Maker 2003|RPG Maker"
+systemname = "RPG Maker 2000/2003 Game Engine"
+license = "GPLv3"
+permissions = ""
+display_version = "@DISPLAY_VERSION@"
+supports_no_game = "false"

games-engines/easyrpg_libretro/easyrpg_libretro-0.5.1.0_20180216.recipe

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+SUMMARY="A game interpreter to play RPG Maker games, using the libretro API"
+DESCRIPTION="EasyRPG Player is a game interpreter to play RPG Maker 2000, 2003 \
+and EasyRPG games. It uses the LCF parser library (liblcf) to read RPG Maker \
+game data."
+HOMEPAGE="https://easyrpg.org/"
+COPYRIGHT="2007-2018 the EasyRPG team, the libretro team"
+LICENSE="GNU GPL v3"
+REVISION="1"
+srcGitRev="80340d4e27b9bed1bf3239e0a0bb941d17e750a8"
+SOURCE_URI="https://github.com/libretro/easyrpg-libretro/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="cf286f0d1cbeb13785443a63d888060b11530869f3002ea8dde30bd07aaedae5"
+SOURCE_FILENAME="libretro-easyrpg-${portVersion/_/-}-$srcGitRev.tar.gz"
+SOURCE_DIR="easyrpg-libretro-$srcGitRev"
+ADDITIONAL_FILES="easyrpg_libretro.info.in"
+
+ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	easyrpg_libretro$secondaryArchSuffix = $portVersion
+	addon:easyrpg_libretro$secondaryArchSuffix = $portVersion
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix
+	retroarch$secondaryArchSuffix
+	lib:libiconv$secondaryArchSuffix
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	devel:libiconv$secondaryArchSuffix
+	"
+BUILD_PREREQUIRES="
+	cmd:gcc$secondaryArchSuffix
+	cmd:make
+	"
+
+BUILD()
+{
+	sed -e "s/@DISPLAY_VERSION@/v${portVersion/_/-}/" \
+		$portDir/additional-files/easyrpg_libretro.info.in \
+		> easyrpg_libretro.info
+	cd builds/libretro/
+	make $jobArgs -f Makefile.libretro
+}
+
+INSTALL()
+{
+	install -m 0755 -d "$docDir"
+	install -m 0644 -t "$docDir" README.md AUTHORS.md
+	install -m 0755 -d "$addOnsDir"/libretro
+	install -m 0644 -t "$addOnsDir"/libretro \
+		easyrpg_libretro.info \
+		builds/libretro/easyrpg_libretro.so
+}