Merge pull request #48 from qudix/dev/xmake

Add `xmake` build support

xmake.lua

@@ -0,0 +1,51 @@
+-- set project
+set_project("nifly")
+set_languages("c++17")
+set_license("GPL-3.0")
+
+-- define options
+option("tests", { default = false, description = "Enable tests" })
+
+-- require packages
+add_requires("half", "miniball")
+
+if has_config("tests") then
+    add_requires("catch2 v2.13.10")
+end
+
+-- define targets
+target("nifly", function()
+    set_kind("static")
+
+    -- bind package dependencies
+    add_packages("half", "miniball", { public = true })
+
+    -- add all source files
+    add_files("src/**.cpp")
+
+    -- add all header files
+    add_includedirs("include", { public = true })
+    add_headerfiles("include/(**.hpp)", { prefixdir = "nifly" })
+
+    -- add flags
+    add_cxxflags("cl::/Zc:inline", "cl::/bigobj")
+end)
+
+if has_config("tests") then
+    target("nifly-tests", function()
+        -- add target dependencies
+        add_deps("nifly")
+
+        -- bind package dependencies
+        add_packages("catch2")
+
+        -- add all source files, except TestNifFileOptional
+        add_files("tests/*.cpp|TestNifFileOptional.cpp")
+
+        -- add all header files
+        add_includedirs("tests")
+
+        -- set run directory
+        set_rundir("tests")
+    end)
+end