fast_obj: add package (#2429)

packages/f/fast_obj/xmake.lua

@@ -0,0 +1,39 @@
+package("fast_obj")
+    set_homepage("https://github.com/thisistherk/fast_obj")
+    set_description("Fast C OBJ parser")
+    set_license("MIT")
+
+    add_urls("https://github.com/thisistherk/fast_obj.git")
+
+    add_versions("2023.08.08", "2bb0b1f6509a4f63f04df5019b805f14e199a681")
+
+    add_configs("header_only", {description = "Use header only version.", default = true, type = "boolean"})
+
+    on_load(function (package)
+        if package:config("header_only") then
+            package:set("kind", "library", {headeronly = true})
+        end
+    end)
+
+    on_install(function (package)
+        if package:config("header_only") then
+            os.cp("fast_obj.h", package:installdir("include"))
+            return
+        end
+
+        io.writefile("xmake.lua", [[
+            add_rules("mode.debug", "mode.release")
+            target("fast_obj")
+                set_kind("$(kind)")
+                add_files("fast_obj.c")
+                add_headerfiles("fast_obj.h")
+                if is_plat("windows") and is_kind("shared") then
+                    add_rules("utils.symbols.export_all", {export_classes = true})
+                end
+        ]])
+        import("package.tools.xmake").install(package)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("fast_obj_read", {includes = "fast_obj.h"}))
+    end)