[Submodules] Add zstd

.gitmodules

@@ -29,3 +29,7 @@
 [submodule "deps/udis86"]
 	path = deps/udis86
 	url = ../udis86.git
+[submodule "deps/zstd"]
+	path = deps/zstd
+	url = https://github.com/facebook/zstd.git
+	branch = dev

deps/zstd

@@ -0,0 +1 @@
+Subproject commit 379f9d874d578111c611b2262211aa763171a94c

premake/zstd.lua

@@ -0,0 +1,66 @@
+zstd = {
+	settings = nil
+}
+
+function zstd.setup(settings)
+	if not settings.source then error("Missing source.") end
+
+	zstd.settings = settings
+
+	if not zstd.settings.defines then zstd.settings.defines = {} end
+end
+
+function zstd.import()
+	if not zstd.settings then error("You need to call zstd.setup first") end
+
+	links { "zstd" }
+	zstd.includes()
+end
+
+function zstd.includes()
+	if not zstd.settings then error("You need to call zstd.setup first") end
+
+	includedirs
+	{
+		path.join(zstd.settings.source, "lib"),
+		path.join(zstd.settings.source, "lib/common"),
+		path.join(zstd.settings.source, "zlibWrapper")
+	}
+	defines(zstd.settings.defines)
+end
+
+function zstd.project()
+	if not zstd.settings then error("You need to call zstd.setup first") end
+
+	project "zstd"
+		language "C"
+
+		zstd.includes()
+		files
+		{
+			path.join(zstd.settings.source, "lib/**.h"),
+			path.join(zstd.settings.source, "lib/**.c"),
+			path.join(zstd.settings.source, "zlibWrapper/zstd_zlibwrapper.h"),
+			path.join(zstd.settings.source, "zlibWrapper/zstd_zlibwrapper.c"),
+		}
+		removefiles
+		{
+			path.join(zstd.settings.source, "lib/legacy/**.*"),
+			--path.join(zstd.settings.source, "zlibWrapper/examples/**.*"),
+		}
+		defines
+		{
+			"zstd_DLL",
+			"_CRT_SECURE_NO_DEPRECATE",
+		}
+		
+		zlib.import()
+
+		-- not our code, ignore POSIX usage warnings for now
+		warnings "Off"
+		
+		--configuration "*Static"
+			defines { "_LIB" }
+			removedefines { "_USRDLL", "_DLL", "zstd_DLL" }
+			kind "StaticLib"
+end

premake5.lua

@@ -180,6 +180,7 @@ require "premake/mongoose"
 require "premake/pdcurses"
 require "premake/protobuf"
 require "premake/zlib"
+require "premake/zstd"
 require "premake/udis86"
 
 json11.setup
@@ -221,6 +222,10 @@ zlib.setup
 	},
 	source = path.join(depsBasePath, "zlib"),
 }
+zstd.setup
+{
+	source = path.join(depsBasePath, "zstd"),
+}
 udis86.setup
 {
 	source = path.join(depsBasePath, "udis86"),
@@ -311,6 +316,7 @@ workspace "iw4x"
 		pdcurses.import()
 		protobuf.import()
 		zlib.import()
+		zstd.import()
 		udis86.import()
 
 		-- fix vpaths for protobuf sources
@@ -423,6 +429,7 @@ workspace "iw4x"
 		pdcurses.project()
 		protobuf.project()
 		zlib.project()
+		zstd.project()
 		udis86.project()
 
 rule "ProtobufCompiler"