[3.2] Misc. build and warning fixes to pass CI and compile with recent SCons and GCC/Clang

.github/workflows/android_builds.yml

@@ -4,6 +4,8 @@ on: [push, pull_request]
 # Global Settings
 env:
   SCONSFLAGS: platform=android verbose=yes warnings=all werror=yes debug_symbols=no --jobs=2
+  ANDROID_HOME: /home/runner/work/godot/godot/android-sdk
+  ANDROID_NDK_ROOT: /home/runner/work/godot/godot/android-sdk/ndk/21.1.6352462
   ANDROID_NDK_VERSION: 21.1.6352462
 
 jobs:
@@ -13,7 +15,7 @@ jobs:
     name: Template (target=release, tools=no)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Azure repositories are not reliable, we need to prevent azure giving us packages.
       - name: Make apt sources.list use the default Ubuntu repositories
@@ -22,18 +24,23 @@ jobs:
           sudo cp -f misc/ci/sources.list /etc/apt/sources.list
           sudo apt-get update
 
-      - name: Set up Java 8
-        uses: actions/setup-java@v1
-        with:
-          java-version: 8
-
-      - name: Install Android NDK r21
+      - name: Set up Java 8, Android SDK and NDK
         run: |
-          sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install 'ndk;${{env.ANDROID_NDK_VERSION}}'
+          # Not using actions/setup-java and android-actions/setup-android as I couldn't make them work for such old Java/SDK/NDK combination.
+          sudo apt-get install openjdk-8-jdk
+          sudo update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
+          mkdir -p ${{env.ANDROID_HOME}}
+          cd ${{env.ANDROID_HOME}}
+          # Using an old version to be compatible with older Java.
+          curl -LO https://dl.google.com/android/repository/commandlinetools-linux-8512546_latest.zip
+          unzip commandlinetools-linux-8512546_latest.zip
+          yes | ./cmdline-tools/bin/sdkmanager --sdk_root=${{env.ANDROID_HOME}} --licenses
+          # https://github.com/godotengine/build-containers/blob/3.2/Dockerfile.android
+          ./cmdline-tools/bin/sdkmanager --sdk_root=${{env.ANDROID_HOME}} 'build-tools;28.0.3' 'platforms;android-28' 'cmake;3.10.2.4988404' 'ndk;${{env.ANDROID_NDK_VERSION}}'
 
       # Use python 3.x release (works cross platform)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'
@@ -48,8 +55,6 @@ jobs:
           scons --version
 
       - name: Compilation
-        env:
-          ANDROID_NDK_ROOT: /usr/local/lib/android/sdk/ndk/${{env.ANDROID_NDK_VERSION}}/
         run: |
           scons target=release tools=no android_arch=armv7
           scons target=release tools=no android_arch=arm64v8

.github/workflows/ios_builds.yml

@@ -11,11 +11,11 @@ jobs:
     name: Template (target=release, tools=no)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Use python 3.x release (works cross platform)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'

.github/workflows/javascript_builds.yml

@@ -13,7 +13,7 @@ jobs:
     name: Template (target=release, tools=no)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Azure repositories are not reliable, we need to prevent azure giving us packages.
       - name: Make apt sources.list use the default Ubuntu repositories
@@ -25,14 +25,14 @@ jobs:
       # Additional cache for Emscripten generated system libraries
       - name: Load Emscripten cache
         id: javascript-template-emscripten-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{env.EM_CACHE_FOLDER}}
           key: ${{env.EM_VERSION}}-${{github.job}}
 
       # Use python 3.x release (works cross platform)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'
@@ -48,7 +48,7 @@ jobs:
           scons --version
 
       - name: Set up Emscripten latest
-        uses: mymindstorm/setup-emsdk@v7
+        uses: mymindstorm/setup-emsdk@v14
         with:
           version: ${{env.EM_VERSION}}
           actions-cache-folder: ${{env.EM_CACHE_FOLDER}}

.github/workflows/linux_builds.yml

@@ -11,7 +11,7 @@ jobs:
     name: Editor w/ Mono (target=release_debug, tools=yes)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Azure repositories are not reliable, we need to prevent azure giving us packages.
       - name: Make apt sources.list use the default Ubuntu repositories
@@ -28,7 +28,7 @@ jobs:
 
       # Use python 3.x release (works cross platform; best to keep self contained in it's own step)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'
@@ -56,7 +56,7 @@ jobs:
     name: Template w/ Mono (target=release, tools=no)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Azure repositories are not reliable, we need to prevent azure giving us packages.
       - name: Make apt sources.list use the default Ubuntu repositories
@@ -73,7 +73,7 @@ jobs:
 
       # Use python 3.x release (works cross platform)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'

.github/workflows/macos_builds.yml

@@ -12,11 +12,11 @@ jobs:
     name: Editor (target=release_debug, tools=yes)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Use python 3.x release (works cross platform; best to keep self contained in it's own step)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'
@@ -42,11 +42,11 @@ jobs:
     name: Template (target=release, tools=no)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Use python 3.x release (works cross platform)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'

.github/workflows/server_builds.yml

@@ -11,7 +11,7 @@ jobs:
     name: Linux Headless w/ Mono (target=release_debug, tools=yes)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Azure repositories are not reliable, we need to prevent azure giving us packages.
       - name: Make apt sources.list use the default Ubuntu repositories
@@ -27,7 +27,7 @@ jobs:
 
       # Use python 3.x release (works cross platform; best to keep self contained in it's own step)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'
@@ -52,7 +52,7 @@ jobs:
     name: Linux Server w/ Mono (target=release, tools=no)
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Azure repositories are not reliable, we need to prevent azure giving us packages.
       - name: Make apt sources.list use the default Ubuntu repositories
@@ -68,7 +68,7 @@ jobs:
 
       # Use python 3.x release (works cross platform)
       - name: Set up Python 3.x
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           # Semantic version range syntax or exact version of a Python version
           python-version: '3.x'

.github/workflows/static_checks.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # Azure repositories are not reliable, we need to prevent Azure giving us packages.
       - name: Make apt sources.list use the default Ubuntu repositories

.github/workflows/windows_builds.yml

@@ -14,11 +14,11 @@ jobs:
     name: Editor (target=release_debug, tools=yes)
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     # Use python 3.x release (works cross platform; best to keep self contained in it's own step)
     - name: Set up Python 3.x
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         # Semantic version range syntax or exact version of a Python version
         python-version: '3.x'
@@ -44,11 +44,11 @@ jobs:
     name: Template (target=release, tools=no)
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     # Use python 3.x release (works cross platform)
     - name: Set up Python 3.x
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         # Semantic version range syntax or exact version of a Python version
         python-version: '3.x'

SConstruct

@@ -407,18 +407,21 @@ if selected_platform in platform_list:
     else:  # Rest of the world
         version = methods.get_compiler_version(env) or [-1, -1]
 
-        shadow_local_warning = []
-        all_plus_warnings = ["-Wwrite-strings"]
+        common_warnings = []
 
         if methods.using_gcc(env):
-            env.Append(CCFLAGS=["-Wno-misleading-indentation"])
+            common_warnings += ["-Wno-misleading-indentation"]
             if version[0] >= 7:
-                shadow_local_warning = ["-Wshadow-local"]
+                common_warnings += ["-Wshadow-local"]
+        elif methods.using_clang(env):
+            # We often implement `operator<` for structs of pointers as a requirement
+            # for putting them in `Set` or `Map`. We don't mind about unreliable ordering.
+            common_warnings += ["-Wno-ordered-compare-function-pointers"]
 
         if env["warnings"] == "extra":
             # Note: enable -Wimplicit-fallthrough for Clang (already part of -Wextra for GCC)
             # once we switch to C++11 or later (necessary for our FALLTHROUGH macro).
-            env.Append(CCFLAGS=["-Wall", "-Wextra", "-Wno-unused-parameter"] + all_plus_warnings + shadow_local_warning)
+            env.Append(CCFLAGS=["-Wall", "-Wextra", "-Wwrite-strings", "-Wno-unused-parameter"] + common_warnings)
             env.Append(CXXFLAGS=["-Wctor-dtor-privacy", "-Wnon-virtual-dtor"])
             if methods.using_gcc(env):
                 env.Append(
@@ -434,9 +437,9 @@ if selected_platform in platform_list:
                 if version[0] >= 9:
                     env.Append(CCFLAGS=["-Wattribute-alias=2"])
         elif env["warnings"] == "all":
-            env.Append(CCFLAGS=["-Wall"] + shadow_local_warning)
+            env.Append(CCFLAGS=["-Wall"] + common_warnings)
         elif env["warnings"] == "moderate":
-            env.Append(CCFLAGS=["-Wall", "-Wno-unused"] + shadow_local_warning)
+            env.Append(CCFLAGS=["-Wall", "-Wno-unused"] + common_warnings)
         else:  # 'no'
             env.Append(CCFLAGS=["-w"])
         if env["werror"]:

core/bind/core_bind.cpp

@@ -999,7 +999,9 @@ struct _OSCoreBindImg {
 };
 
 void _OS::print_all_textures_by_size() {
-
+	// HACK: This is broken, was fixed in 3.4+, we don't bother here.
+	// Just comment out to silence warnings.
+	/*
 	List<_OSCoreBindImg> imgs;
 	int total = 0;
 	{
@@ -1031,6 +1033,7 @@ void _OS::print_all_textures_by_size() {
 
 		total -= E->get().vram;
 	}
+	*/
 }
 
 void _OS::print_resources_by_type(const Vector<String> &p_types) {

core/compressed_translation.cpp

@@ -62,7 +62,6 @@ void PHashTranslation::generate(const Ref<Translation> &p_from) {
 
 	int idx = 0;
 	int total_compression_size = 0;
-	int total_string_size = 0;
 
 	for (List<StringName>::Element *E = keys.front(); E; E = E->next()) {
 
@@ -101,7 +100,6 @@ void PHashTranslation::generate(const Ref<Translation> &p_from) {
 
 		compressed.write[idx] = ps;
 		total_compression_size += ps.compressed.size();
-		total_string_size += src_s.size();
 		idx++;
 	}
 
@@ -148,16 +146,13 @@ void PHashTranslation::generate(const Ref<Translation> &p_from) {
 	uint32_t *btw = (uint32_t *)&btwb[0];
 
 	int btindex = 0;
-	int collisions = 0;
 
 	for (int i = 0; i < size; i++) {
 
 		const Map<uint32_t, int> &t = table[i];
 		if (t.size() == 0) {
 			htw[i] = 0xFFFFFFFF; //nothing
 			continue;
-		} else if (t.size() > 1) {
-			collisions += t.size() - 1;
 		}
 
 		htw[i] = btindex;

core/cowdata.h

@@ -32,6 +32,7 @@
 #define COWDATA_H_
 
 #include <string.h>
+#include <type_traits>
 
 #include "core/error_macros.h"
 #include "core/os/memory.h"
@@ -199,7 +200,7 @@ void CowData<T>::_unref(void *p_data) {
 		return; // still in use
 	// clean up
 
-	if (!__has_trivial_destructor(T)) {
+	if (!std::is_trivially_destructible<T>::value) {
 		uint32_t *count = _get_size();
 		T *data = (T *)(count + 1);
 
@@ -233,7 +234,7 @@ void CowData<T>::_copy_on_write() {
 		T *_data = (T *)(mem_new);
 
 		// initialize new elements
-		if (__has_trivial_copy(T)) {
+		if (std::is_trivially_copyable<T>::value) {
 			memcpy(mem_new, _ptr, current_size * sizeof(T));
 
 		} else {
@@ -292,7 +293,7 @@ Error CowData<T>::resize(int p_size) {
 
 		// construct the newly created elements
 
-		if (!__has_trivial_constructor(T)) {
+		if (!std::is_trivially_constructible<T>::value) {
 			T *elems = _get_data();
 
 			for (int i = *_get_size(); i < p_size; i++) {
@@ -303,8 +304,7 @@ Error CowData<T>::resize(int p_size) {
 		*_get_size() = p_size;
 
 	} else if (p_size < current_size) {
-
-		if (!__has_trivial_destructor(T)) {
+		if (!std::is_trivially_destructible<T>::value) {
 			// deinitialize no longer needed elements
 			for (uint32_t i = p_size; i < *_get_size(); i++) {
 				T *t = &_get_data()[i];

core/io/logger.cpp

@@ -151,10 +151,11 @@ void RotatedFileLogger::rotate_file() {
 
 	if (FileAccess::exists(base_path)) {
 		if (max_files > 1) {
-			char timestamp[21];
+			const size_t TIMESTAMP_SIZE = 21;
+			char timestamp[TIMESTAMP_SIZE];
 			OS::Date date = OS::get_singleton()->get_date();
 			OS::Time time = OS::get_singleton()->get_time();
-			sprintf(timestamp, "_%04d-%02d-%02d_%02d-%02d-%02d", date.year, date.month, date.day, time.hour, time.min, time.sec);
+			snprintf(timestamp, TIMESTAMP_SIZE, "_%04d-%02d-%02d_%02d-%02d-%02d", date.year, date.month, date.day, time.hour, time.min, time.sec);
 
 			String backup_name = base_path.get_basename() + timestamp;
 			if (base_path.get_extension() != String()) {