fastmod: new package (#7207)

* fastmod library

* Remove some unsupported platforms

* Remove some unsupported platforms

* Test unsupported 32 bit check

* Test unsupported 32 bit check

packages/f/fastmod/xmake.lua

@@ -0,0 +1,27 @@
+package("fastmod")
+
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/lemire/fastmod")
+    set_description("A header file for fast 32-bit division remainders on 64-bit hardware.")
+    set_license("Apache-2.0")
+
+    add_urls("https://github.com/lemire/fastmod/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/lemire/fastmod.git")
+
+    add_versions("v0.1.0", "b80e759208d6b4318caa14b1851352c69e8c7a1f7895639e3af1d86944d2973b")
+
+    add_deps("cmake")
+
+    on_check(function (package)
+        if package:check_sizeof("void*") == "4" then
+            raise("package(fastmod) unsupported 32-bit")
+        end
+    end)
+
+    on_install(function (package)
+        import("package.tools.cmake").install(package)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("fastmod_u32", {includes = "fastmod.h"}))
+    end)