add check

packages/b/bison/xmake.lua

@@ -33,10 +33,10 @@ package("bison")
         if package:is_library() then
             package:set("kind", "library", {headeronly = true})
         end
-    end)
 
-    on_install("@msys", function (package)
+        if is_subhost("msys") and xmake:version():ge("2.9.7") then
-        import("package.manager.pacman.install_package")("", {pacmna = "bison"})
+            package:add("deps", "pacman::bison", {configs = {msystem = "msys"}})
+        end
     end)
 
     on_install("windows", function (package)

packages/f/flex/xmake.lua

@@ -37,10 +37,13 @@ package("flex")
         if package:is_library() then
             package:set("kind", "library", {headeronly = true})
         end
+
+        if is_subhost("msys") and xmake:version():ge("2.9.7") then
+            package:add("deps", "pacman::flex", {configs = {msystem = "msys"}})
+        end
     end)
 
     on_install("@msys", function (package)
-        import("package.manager.pacman.install_package")("", {pacmna = "flex"})
         -- https://github.com/msys2/MSYS2-packages/issues/1911
         if package:is_library() then
             local msys_dir = os.getenv("MINGW_PREFIX")

packages/v/verilator/xmake.lua

@@ -11,6 +11,14 @@ package("verilator")
 
     add_deps("cmake")
 
+    if on_check then
+        on_check(function (package)
+            if is_subhost("msys") and xmake:version():lt("2.9.7") then
+                raise("package(verilator) requires xmake >= 2.9.7 on msys")
+            end
+        end)
+    end
+
     on_load(function (package)
         if not package:is_precompiled() then
             package:add("deps", "flex", {kind = "library"})