libcron: add package (#4835)

packages/l/libcron/xmake.lua

@@ -0,0 +1,40 @@
+package("libcron")
+    set_homepage("https://github.com/PerMalmberg/libcron")
+    set_description("A C++ scheduling library using cron formatting.")
+    set_license("MIT")
+
+    add_urls("https://github.com/PerMalmberg/libcron/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/PerMalmberg/libcron.git")
+
+    add_versions("v1.3.1", "cf5af6af392df29c8fc61fcc5a8e452118f31f47d7aa92eb7d4f4183dea227c8")
+
+    add_deps("cmake")
+    add_deps("date")
+
+    on_install(function (package)
+        io.replace("CMakeLists.txt", "add_subdirectory(test)", "", {plain = true})
+        io.replace("CMakeLists.txt", "add_dependencies(cron_test libcron)", "", {plain = true})
+        io.replace("CMakeLists.txt", "install(DIRECTORY libcron/externals/date/include/date DESTINATION include)", "", {plain = true})
+
+        local configs = {}
+        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"))
+
+        local opt = {packagedeps = "date"}
+        if package:is_plat("windows") then
+            opt.cxflags = "-DWIN32"
+            if package:config("shared") then
+                table.insert(configs, "-DCMAKE_WINDOWS_EXPORT_ALL_SYMBOLS=ON")
+            end
+        end
+        import("package.tools.cmake").install(package, configs, opt)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            void test() {
+                libcron::CronData cron;
+                cron.create("");
+            }
+        ]]}, {configs = {languages = "c++11"}, includes = "libcron/CronData.h"}))
+    end)