windows prebuild

engine/.gitignore

@@ -4,4 +4,5 @@ artifacts
 build
 obj
 *.gen.*
-third_party/skia
+third_party/skia
+libs

engine/Scripts/Readme.md

@@ -0,0 +1,13 @@
+## build windows lib using prebuild libs
+1. download `engine_dependencies` under `engine/libs`
+2. copy and unzip `headerout.zip` under `engine\libs\engine_dependencies\src`
+3. build command
+
+    build release
+    ```
+    .\local_build_win.ps1
+    ```
+    build debug
+    ```
+    .\local_build_win.ps1 -mode debug
+    ```

engine/Scripts/lib_build.py

@@ -21,6 +21,7 @@
 flutter_root_path=""
 visual_studio_path=""
 architecture=""
+localLibPath=False
 
 def get_opts():
     # get intput agrs
@@ -31,12 +32,15 @@ def get_opts():
     global visual_studio_path
     global platform
     global architecture
+    global localLibPath
 
     if len(sys.argv) < 2:
         show_help()
         sys.exit()
-    options, args = getopt.getopt(sys.argv[1:], 'r:p:m:v:eh',["arm64","help"])
+    options, args = getopt.getopt(sys.argv[1:], 'l:r:p:m:v:eh',["arm64","help"])
     for opt, arg in options:
+        if opt == '-l':
+            localLibPath = True
         if opt == '-r':
             engine_path = arg # set engine_path, depot_tools and flutter engine folder will be put into this path
         elif opt == '-p':
@@ -137,22 +141,27 @@ def set_params():
 def set_env_verb():
     global platform
     global flutter_root_path
-    flutter_root_path = os.getenv('FLUTTER_ROOT_PATH', 'null')
-    if flutter_root_path == 'null':
-        os.environ["FLUTTER_ROOT_PATH"] = os.path.join(engine_path, "engine","src")
-        flutter_root_path = os.getenv('FLUTTER_ROOT_PATH')
-    else:
-        print("This environment variable has been set, skip")
-    env_path = os.getenv('PATH')
-    path_strings = re.split("[;:]", env_path)
-    for path in path_strings:
-        if path.endswith("depot_tools"):
+    global localLibPath
+
+    if localLibPath == False:
+        flutter_root_path = os.getenv('FLUTTER_ROOT_PATH', 'null')
+        if flutter_root_path == 'null':
+            os.environ["FLUTTER_ROOT_PATH"] = os.path.join(engine_path, "engine","src")
+            flutter_root_path = os.getenv('FLUTTER_ROOT_PATH')
+        else:
             print("This environment variable has been set, skip")
-            return
-    if platform == "windows":
-        os.environ["PATH"] = engine_path + "/depot_tools;" + os.environ["PATH"]
+        env_path = os.getenv('PATH')
+        path_strings = re.split("[;:]", env_path)
+        for path in path_strings:
+            if path.endswith("depot_tools"):
+                print("This environment variable has been set, skip")
+                return
+        if platform == "windows":
+            os.environ["PATH"] = engine_path + "/depot_tools;" + os.environ["PATH"]
+        else:
+            os.environ["PATH"] = engine_path + "/depot_tools:" + os.environ["PATH"]
     else:
-        os.environ["PATH"] = engine_path + "/depot_tools:" + os.environ["PATH"]
+        os.environ["FLUTTER_ROOT_PATH"] = os.path.join(engine_path, "src")
 
 def get_depot_tools():
     print("\nGetting Depot Tools...")
@@ -505,6 +514,8 @@ def show_help():
 
     required parameters:
 
+    -l                build use local prebuild lib
+
     -p                Target platform, available values: android, windows, mac, ios
 
     -m                Build mode, available values: debug, release
@@ -523,16 +534,23 @@ def show_help():
 
 
 def main():
+    global localLibPath
+
     get_opts()
-    engine_path_check()
-    bitcode_conf()
-    set_params()
-    set_env_verb()   
-    get_depot_tools()
-    get_flutter_engine()
-    compile_engine()
-    build_engine()
-    revert_patches()
+    if localLibPath == False:
+        engine_path_check()
+        bitcode_conf()
+        set_params()
+        set_env_verb()
+        get_depot_tools()
+        get_flutter_engine()
+        compile_engine()
+        build_engine()
+        revert_patches()
+    else:
+        bitcode_conf()
+        set_env_verb()   
+        build_engine()
 
 if __name__=="__main__":
     main()

engine/Scripts/local_build_win.ps1

@@ -0,0 +1,8 @@
+param(
+    [Parameter()]
+    [String]$mode= "release"
+)
+$current_dir = Get-Location
+$localLibsPath = Join-Path -Path $current_dir -ChildPath "../libs/engine_dependencies"
+
+python3 lib_build.py -m $mode -p windows -l True -r $localLibsPath