add xmake

xmake.lua

@@ -0,0 +1,61 @@
+set_project("NazaraImgui")
+
+add_rules("mode.asan", "mode.tsan", "mode.coverage", "mode.debug", "mode.releasedbg", "mode.release")
+add_rules("plugin.vsxmake.autoupdate")
+
+includes("xmake/**.lua")
+
+add_repositories("nazara-engine-repo https://github.com/NazaraEngine/xmake-repo")
+add_requires("nazarautils", "nzsl")
+add_requires("nazaraengine", { alias = "nazara" })
+add_requires("imgui v1.87-docking", { alias = "imgui" })
+
+add_includedirs("include", "src")
+set_languages("c89", "c++17")
+set_rundir("./bin/$(plat)_$(arch)_$(mode)")
+set_targetdir("./bin/$(plat)_$(arch)_$(mode)")
+
+if has_config("erronwarn") then
+	set_warnings("allextra", "error")
+else
+	set_warnings("allextra")
+end
+
+if is_plat("mingw", "linux") then
+	add_cxflags("-Wno-subobject-linkage")
+end
+
+if is_plat("windows") then
+	add_defines("_CRT_SECURE_NO_WARNINGS")
+	add_cxxflags("/bigobj", "/permissive-", "/Zc:__cplusplus", "/Zc:externConstexpr", "/Zc:inline", "/Zc:lambda", "/Zc:preprocessor", "/Zc:referenceBinding", "/Zc:strictStrings", "/Zc:throwingNew")
+	add_cxflags("/w44062") -- Enable warning: switch case not handled
+	add_cxflags("/wd4251") -- Disable warning: class needs to have dll-interface to be used by clients of class blah blah blah
+	add_cxflags("/wd4275") -- Disable warning: DLL-interface class 'class_1' used as base for DLL-interface blah
+elseif is_plat("mingw") then
+	add_cxflags("-Og", "-Wa,-mbig-obj")
+	add_ldflags("-Wa,-mbig-obj")
+end
+
+if is_mode("asan", "tsan", "ubsan") then
+	set_optimize("none") -- by default xmake will optimize asan builds
+elseif is_mode("coverage") then
+	if not is_plat("windows") then
+		add_links("gcov")
+	end
+elseif is_mode("releasedbg") then
+	set_fpmodels("fast")
+	add_vectorexts("sse", "sse2", "sse3", "ssse3")
+end
+
+target("NazaraImgui")
+	add_packages("nazara", "nzsl", "imgui")
+	set_kind("$(kind)")
+	set_group("Libraries")
+	add_headerfiles("include/(NazaraImgui/**.hpp)")
+	add_headerfiles("include/(NazaraImgui/**.inl)")
+	add_headerfiles("src/NazaraImgui/**.h", { prefixdir = "private" })
+	add_headerfiles("src/NazaraImgui/**.hpp", { prefixdir = "private" })
+	add_headerfiles("src/NazaraImgui/**.inl", { prefixdir = "private" })
+	add_files("src/NazaraImgui/**.cpp")
+
+