omath: add new package (#7619)

* omath: add new package

* Lowercase vector2.hpp

* limit osx/ios/ndk try wasm

* Update xmake.lua

* Update xmake.lua

* Update xmake.lua

* Update xmake.lua

* Update xmake.lua

* drop bsd

* Imgui store version in cmake and workaround cross 32bit

* try create empty folders?

* fixup

---------

Co-authored-by: star9029 <[email protected]>

packages/o/omath/xmake.lua

@@ -0,0 +1,59 @@
+package("omath")
+    set_homepage("http://libomath.org")
+    set_description("Cross-platform modern general purpose math library written in C++23")
+    set_license("zlib")
+
+    add_urls("https://github.com/orange-cpp/omath/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/orange-cpp/omath.git", {submodules = false})
+
+    add_versions("v3.0.3", "f72ec671eb99d83bf6d63ec5eee7436110a9f340b416eefac51464665bbda06c")
+
+    add_configs("avx2",  {description = "Enable AVX2", default = true, type = "boolean"})
+    add_configs("imgui", {description = "Define method to convert omath types to imgui types", default = true, type = "boolean"})
+
+    add_deps("cmake")
+    if is_plat("windows") then
+        add_deps("pkgconf")
+    else
+        add_deps("pkg-config")
+    end
+
+    on_load(function (package)
+        if package:config("imgui") then
+            package:add("deps", "imgui")
+        end
+    end)
+
+    on_install("!macosx and !iphoneos and !android and !bsd", function (package)
+        if package:config("imgui") then
+            local imgui = package:dep("imgui")
+            if imgui and not imgui:is_system() then
+                local imgui_fetch = imgui:fetch()
+                if imgui_fetch then
+                    for _, inc in ipairs(imgui_fetch.includedirs or imgui_fetch.sysincludedirs) do
+                        os.mkdir(inc)
+                    end
+                end
+            end
+        end
+        io.replace("CMakeLists.txt", [[find_package(imgui CONFIG REQUIRED)]], [[include(FindPkgConfig)
+pkg_search_module("imgui" REQUIRED IMPORTED_TARGET "imgui")]], {plain = true})
+        io.replace("CMakeLists.txt", [[imgui::imgui]], [[PkgConfig::imgui]], {plain = true})
+        if package:is_plat("wasm") then
+            io.replace("CMakeLists.txt", [[target_compile_options(${PROJECT_NAME} PRIVATE -mavx2 -mfma)]], [[target_compile_options(${PROJECT_NAME} PRIVATE -msimd128 -mavx2)]], {plain = true})
+        end
+        local configs = {"-DOMATH_THREAT_WARNING_AS_ERROR=OFF", "-DOMATH_BUILD_TESTS=OFF"}
+        table.insert(configs, "-DOMATH_USE_AVX2=" .. (package:config("avx2") and "ON" or "OFF"))
+        table.insert(configs, "-DOMATH_IMGUI_INTEGRATION=" .. (package:config("imgui") and "ON" or "OFF"))
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "Release"))
+        table.insert(configs, "-DOMATH_SHARED=" .. (package:config("shared") and "ON" or "OFF"))
+        import("package.tools.cmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            void test() {
+                omath::Vector2 w = omath::Vector2(20.0, 30.0);
+            }
+        ]]}, {configs = {languages = "c++23"}, includes = "omath/vector2.hpp"}))
+    end)