add nelib package

packages/n/nelib/xmake.lua

@@ -0,0 +1,59 @@
+package("nelib")
+    set_homepage("https://github.com/hexne/nelib")
+    set_description("A commonly used tool collection library")
+
+    add_urls("https://github.com/hexne/NeLib.git")
+    add_versions("2024.11.15", "ee9195d2b2612da06e0ac4aaa1f6c7cb6c94699a")
+
+    add_configs("modules", {description = "Build with C++20 modules support.", default = false, type = "boolean"})
+    add_configs("header_only", {description = "Build as a headeronly library.", default = false, type = "boolean"})
+    set_policy("package.cmake_generator.ninja", true)
+    add_deps("opencv", "ninja")
+
+    on_load(function (package)
+        if package:config("modules") then
+            package:set("kind", "library", {moduleonly = true})
+        else
+            package:add("deps", "cmake")
+            if package:config("header_only") then
+                package:set("kind", "library", {headeronly = true})
+            end
+        end
+    end)
+
+    on_install("linux", "macosx", function (package)
+        if package:config("modules") then
+            io.writefile("xmake.lua", [[
+                add_requires("opencv")
+                target("nelib")
+                    add_packages("opencv")
+                    set_kind("$(kind)")
+                    set_languages("c++20")
+                    add_headerfiles("./**.h")
+                    add_includedirs(".")
+                    add_files("**.cppm", { public = true })
+            ]])
+            import("package.tools.xmake").install(package)
+        else
+            os.cp("*.h", package:installdir("include"))
+            if not package:config("header_only") then
+                io.replace("CMakeLists.txt", "NOT GLM_DISABLE_AUTO_DETECTION", "FALSE")
+                local configs = {"-DGLM_BUILD_TESTS=OFF"}
+                table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "Release"))
+                table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
+                import("package.tools.cmake").build(package, configs)
+                os.cp(path.join(package:buildir(), "**.pcm"), package:installdir("include"))
+                os.cp(path.join(package:buildir(), "**.a"), package:installdir("lib"))
+            end
+        end
+    end)
+
+    on_test(function (package)
+        assert(package:has_cxxincludes("tools.h"))
+        -- TODO add module tests
+        assert(package:check_cxxsnippets({test = [[
+            void test() {
+                ;
+            }
+        ]]}, {configs = {languages = "c++20", includes = "tools.h"}}))
+    end)