CI: Update all images and actions

(cherry picked from commit 5f401ad88a)

.github/workflows/ci.yml

@@ -4,15 +4,15 @@ on: [push, pull_request]
 jobs:
   linux:
     name: Build (Linux, GCC)
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
       - name: Set up Python (for SCons)
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: '3.x'
 
@@ -29,7 +29,7 @@ jobs:
           scons target=release generate_bindings=yes -j $(nproc)
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: godot-cpp-linux-glibc2.27-x86_64-release
           path: bin/libgodot-cpp.linux.release.64.a
@@ -48,12 +48,12 @@ jobs:
     runs-on: windows-2019
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
       - name: Set up Python (for SCons)
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: '3.x'
 
@@ -66,7 +66,7 @@ jobs:
           scons target=release generate_bindings=yes -j $env:NUMBER_OF_PROCESSORS
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: godot-cpp-windows-msvc2019-x86_64-release
           path: bin/libgodot-cpp.windows.release.64.lib
@@ -77,12 +77,12 @@ jobs:
     runs-on: windows-2019
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
       - name: Set up Python (for SCons)
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: '3.x'
 
@@ -92,13 +92,15 @@ jobs:
 
       - name: Setup MinGW for Windows/MinGW build
         uses: egor-tensin/setup-mingw@v2
+        with:
+          version: 12.2.0
 
       - name: Build godot-cpp
         run: |
           scons target=release generate_bindings=yes use_mingw=yes -j $env:NUMBER_OF_PROCESSORS
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: godot-cpp-linux-mingw-x86_64-release
           path: bin/libgodot-cpp.windows.release.64.a
@@ -109,12 +111,12 @@ jobs:
     runs-on: macos-11
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
       - name: Set up Python (for SCons)
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: '3.x'
 
@@ -129,7 +131,7 @@ jobs:
           scons target=release generate_bindings=yes -j $(sysctl -n hw.logicalcpu)
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: godot-cpp-macos-universal-release
           path: bin/libgodot-cpp.osx.release.64.a
@@ -148,7 +150,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Make apt sources.list use the default Ubuntu repositories
         run: |

SConstruct

@@ -146,6 +146,13 @@ opts.Add(BoolVariable("generate_template_get_node", "Generate a template version
 opts.Update(env)
 Help(opts.GenerateHelpText(env))
 
+# Detect and print a warning listing unknown SCons variables to ease troubleshooting.
+unknown = opts.UnknownVariables()
+if unknown:
+    print("WARNING: Unknown SCons variables were passed and will be ignored:")
+    for item in unknown.items():
+        print("    " + item[0] + "=" + item[1])
+
 # This makes sure to keep the session environment variables on Windows.
 # This way, you can run SCons in a Visual Studio 2017 prompt and it will find
 # all the required tools
@@ -369,11 +376,11 @@ elif env["platform"] == "android":
     # Setup tools
     env["CC"] = toolchain + "/bin/clang"
     env["CXX"] = toolchain + "/bin/clang++"
-    env["AR"] = toolchain + "/bin/" + arch_info["tool_path"] + "-ar"
-    env["AS"] = toolchain + "/bin/" + arch_info["tool_path"] + "-as"
-    env["LD"] = toolchain + "/bin/" + arch_info["tool_path"] + "-ld"
-    env["STRIP"] = toolchain + "/bin/" + arch_info["tool_path"] + "-strip"
-    env["RANLIB"] = toolchain + "/bin/" + arch_info["tool_path"] + "-ranlib"
+    env["AR"] = toolchain + "/bin/llvm-ar"
+    env["AS"] = toolchain + "/bin/llvm-as"
+    env["LD"] = toolchain + "/bin/llvm-ld"
+    env["STRIP"] = toolchain + "/bin/llvm-strip"
+    env["RANLIB"] = toolchain + "/bin/llvm-ranlib"
 
     env.Append(
         CCFLAGS=["--target=" + arch_info["target"] + env["android_api_level"], "-march=" + arch_info["march"], "-fPIC"]