添加 GCC CMake presets，顶层先只编 isa。

compiler/vm/host 尚未成库，避免 configure 失败。

Co-authored-by: Cursor <cursoragent@cursor.com>

CMakeLists.txt

@@ -10,6 +10,6 @@ project(Stator
 include("${CMAKE_SOURCE_DIR}/cmake/Standards.cmake")
 
 add_subdirectory(isa)
-add_subdirectory(compiler)
-add_subdirectory(vm)
-add_subdirectory(host)
+# add_subdirectory(compiler)
+# add_subdirectory(vm)
+# add_subdirectory(host)

CMakePresets.json

@@ -0,0 +1,48 @@
+{
+  "version": 3,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 21,
+    "patch": 0
+  },
+  "configurePresets": [
+    {
+      "name": "gcc",
+      "hidden": true,
+      "generator": "Ninja",
+      "binaryDir": "${sourceDir}/build/${presetName}",
+      "cacheVariables": {
+        "CMAKE_C_COMPILER": "gcc",
+        "CMAKE_CXX_COMPILER": "g++"
+      }
+    },
+    {
+      "name": "gcc-debug",
+      "displayName": "GCC Debug",
+      "description": "使用 PATH 中的 gcc / g++，Debug",
+      "inherits": "gcc",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Debug"
+      }
+    },
+    {
+      "name": "gcc-release",
+      "displayName": "GCC Release",
+      "description": "使用 PATH 中的 gcc / g++，Release",
+      "inherits": "gcc",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Release"
+      }
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "gcc-debug",
+      "configurePreset": "gcc-debug"
+    },
+    {
+      "name": "gcc-release",
+      "configurePreset": "gcc-release"
+    }
+  ]
+}