bam: adding unix support.

engine.build.lua

@@ -18,7 +18,14 @@ if global_settings.debug then
 end
 
 -- FreeType2
-settings.cc.includes:Add("vendor/FreeType2/include")
+if TARGET_OS == "Win32" then
+	settings.cc.includes:Add("vendor/FreeType2/include")
+
+	-- Staticly link freetype on windows.
+	settings.link.libpath:Add("vendor/FreeType2/lib/x86")
+else
+	settings.cc.includes:Add("/usr/include/freetype2")
+end
 
 -- STB
 settings.cc.includes:Add("vendor/stb/include")
@@ -41,22 +48,33 @@ local platform_common_module = Module("source/Platform", {
 	"PlatformDisplay.cpp"
 })
 
-
--- if TARGET_OS == "Win32" then -- Needed later for unix.
-local platform_spec_module = Module("source/Platform/Win32", {
-	"Win32Application.cpp",
-	"Win32Display.cpp",
-	"Win32GLContext.cpp",
-	"Win32Input.cpp",
-	"Win32Internal.cpp",
-	"Win32Keyboard.cpp",
-	"Win32Misc.cpp",
-	"Win32Mouse.cpp",
-	"Win32EventQueue.cpp",
-	"Win32System.cpp",
-	"glad_wgl.c"
-})
---end
+if TARGET_OS == "Win32" then
+	local platform_spec_module = Module("source/Platform/Win32", {
+		"Win32Application.cpp",
+		"Win32Display.cpp",
+		"Win32GLContext.cpp",
+		"Win32Input.cpp",
+		"Win32Internal.cpp",
+		"Win32Keyboard.cpp",
+		"Win32Misc.cpp",
+		"Win32Mouse.cpp",
+		"Win32EventQueue.cpp",
+		"Win32System.cpp",
+		"glad_wgl.c"
+	})
+elseif TARGET_OS == "Unix" then
+	platform_spec_module = Module("source/Platform/Unix", {
+		"UnixApplication.cpp",
+		"X11Display.cpp",
+		"GLXContext.cpp",
+		"X11Input.cpp",
+		"X11Keyboard.cpp",
+		"X11Mouse.cpp",
+		"X11EventQueue.cpp",
+		"UnixMisc.cpp",
+		"UnixSystem.cpp"
+	})
+end
 
 local input_module = Module("source/Input", {
 	"InputDevice.cpp",
@@ -132,7 +150,9 @@ local scene_module = Module("source/Scene", {
 -----------------------------------------------------------
 
 -- Dependancies
-Import("vendor/FreeType2/build.lua")
+if TARGET_OS == "Win32" then
+	Import("vendor/FreeType2/build.lua")
+end
 
 -- engine
 local obj = Compile(settings, {