V3.38.7 (#9)

* Update to 3.38.3

* Update to 3.38.7

- Update Flutter tag to 3.38.7
- Update NDK to 27.2.12479018
- Add Dockerfile for containerized builds
- Add .dockerignore
- Fix engine.patch for NDK 27 compatibility:
  - Add -Wno-deprecated-this-capture for spirv-cross
  - Enable -Wno-implicit-int-float-conversion for termux
- Add --jobs parameter to build.py for parallelism control

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: yamsergey

.dockerignore

@@ -0,0 +1,11 @@
+# Exclude flutter source directory - let container clone fresh
+flutter/
+
+# Exclude sysroot - downloaded during build
+sysroot/
+
+# Exclude build artifacts
+*.deb
+
+# Git
+.git/

Dockerfile

@@ -0,0 +1,62 @@
+# Dockerfile to replicate GitHub Actions ubuntu-latest environment
+# for debugging Flutter-Termux build issues
+
+FROM ubuntu:24.04
+
+# Avoid interactive prompts during package installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies (matching GitHub Actions workflow)
+RUN apt-get update && apt-get install -y \
+    libfreetype-dev \
+    ninja-build \
+    git \
+    curl \
+    python3 \
+    python3-pip \
+    python3-venv \
+    xz-utils \
+    pkg-config \
+    build-essential \
+    clang \
+    lld \
+    unzip \
+    openjdk-17-jdk \
+    && rm -rf /var/lib/apt/lists/*
+
+# Setup depot_tools (matching newkdev/setup-depot-tools@v1.0.1)
+RUN git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git /opt/depot_tools
+ENV PATH="/opt/depot_tools:${PATH}"
+
+# Install Android SDK Command Line Tools and NDK (matching GitHub Actions environment)
+ENV ANDROID_HOME=/usr/local/lib/android/sdk
+ENV ANDROID_SDK_ROOT=${ANDROID_HOME}
+RUN mkdir -p ${ANDROID_HOME}/cmdline-tools && \
+    curl -o /tmp/cmdline-tools.zip https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip && \
+    unzip /tmp/cmdline-tools.zip -d ${ANDROID_HOME}/cmdline-tools && \
+    mv ${ANDROID_HOME}/cmdline-tools/cmdline-tools ${ANDROID_HOME}/cmdline-tools/latest && \
+    rm /tmp/cmdline-tools.zip
+
+ENV PATH="${ANDROID_HOME}/cmdline-tools/latest/bin:${PATH}"
+
+# Install NDK version 27.2.12479018 (latest stable from Google)
+RUN yes | sdkmanager --licenses && \
+    sdkmanager "ndk;27.2.12479018"
+
+ENV ANDROID_NDK=${ANDROID_HOME}/ndk/27.2.12479018
+ENV ANDROID_NDK_HOME=${ANDROID_NDK}
+
+# Create working directory
+WORKDIR /build
+
+# Copy project files
+COPY . .
+
+# Install Python requirements (ignore-installed to avoid conflicts with system packages)
+RUN pip3 install --break-system-packages --ignore-installed -r requirements.txt
+
+# Set environment to avoid interactive git prompts
+ENV GIT_TERMINAL_PROMPT=0
+
+# Default command - start interactive shell for debugging
+CMD ["/bin/bash"]

build.py

@@ -198,7 +198,7 @@ def output(self, arch: str):
             return self.release
 
     # TODO: check gclient and ninja existence
-    def __call__(self):
+    def __call__(self, jobs: int = None):
         self.config()
         self.clone()
         self.sync()
@@ -207,7 +207,7 @@ def __call__(self):
             self.sysroot(arch=arch)
             for mode in self.mode:
                 self.configure(arch=arch, mode=mode)
-                self.build(arch=arch, mode=mode)
+                self.build(arch=arch, mode=mode, jobs=jobs)
             self.debuild(arch=arch, output=self.output(arch))
 
 

build.toml

@@ -1,5 +1,5 @@
 [flutter]
-tag = '3.35.7'
+tag = '3.38.7'
 repo = 'https://github.com/flutter/flutter'
 path = './flutter'
 

patches/engine.patch

@@ -1,8 +1,8 @@
 diff --git a/engine/src/build/config/BUILDCONFIG.gn b/engine/src/build/config/BUILDCONFIG.gn
-index b74b2e2..b181c74 100644
+index 596fd4fef78..84ae714527c 100644
 --- a/engine/src/build/config/BUILDCONFIG.gn
 +++ b/engine/src/build/config/BUILDCONFIG.gn
-@@ -343,13 +343,13 @@ if (is_msan && !is_linux) {
+@@ -372,13 +372,13 @@ if (is_msan && !is_linux) {
  # duplication in each target below.
  _native_compiler_configs = [
    "//build/config:feature_flags",
@@ -16,12 +16,12 @@ index b74b2e2..b181c74 100644
 -  "//build/config/compiler:runtime_library",
 +  "//build/config/termux:runtime_library",
  ]
- 
+
  if (use_flutter_cxx) {
-@@ -377,7 +377,11 @@ if (is_posix) {
+@@ -406,7 +406,11 @@ if (is_posix) {
    ]
  }
- 
+
 -if (is_linux) {
 +import("//build/config/termux/termux.gni")
 +
@@ -31,7 +31,7 @@ index b74b2e2..b181c74 100644
    _native_compiler_configs += [ "//build/config/linux:sdk" ]
  } else if (is_mac) {
    _native_compiler_configs += [ "//build/config/mac:sdk" ]
-@@ -457,7 +461,7 @@ if (is_win) {
+@@ -486,7 +490,7 @@ if (is_win) {
      "//build/config/mac:mac_executable_flags",
    ]
  } else if (is_linux || is_android) {
@@ -40,10 +40,10 @@ index b74b2e2..b181c74 100644
    if (is_android) {
      _executable_configs += [ "//build/config/android:executable_config" ]
    }
-@@ -521,7 +525,10 @@ import("//build/toolchain/custom/custom.gni")
+@@ -550,7 +554,10 @@ import("//build/toolchain/custom/custom.gni")
  # shlib_toolchain is a Fuchsia-specific symbol and not used by Flutter.
  shlib_toolchain = false
- 
+
 -if (custom_toolchain != "") {
 +if (is_termux) {
 +  host_toolchain = "//build/toolchain/linux:clang_$host_cpu"
@@ -52,22 +52,131 @@ index b74b2e2..b181c74 100644
    assert(custom_sysroot != "")
    assert(custom_target_triple != "")
    host_toolchain = "//build/toolchain/linux:clang_$host_cpu"
-@@ -597,6 +604,9 @@ if (custom_toolchain != "") {
+@@ -629,6 +636,9 @@ if (custom_toolchain != "") {
  } else {
    assert(false, "Toolchain not set because of unknown platform.")
  }
 +if (is_termux_host) {
 +  host_toolchain = "//build/toolchain/termux:$host_cpu"
 +}
- 
+
  # Sets default dependencies for executable and shared_library targets.
  #
+diff --git a/engine/src/build/config/compiler/BUILD.gn b/engine/src/build/config/compiler/BUILD.gn
+index 50f1b60eab1..cd1d7bcca5f 100644
+--- a/engine/src/build/config/compiler/BUILD.gn
++++ b/engine/src/build/config/compiler/BUILD.gn
+@@ -19,6 +19,7 @@ import("//build/config/profiler.gni")
+ import("//build/config/sanitizers/sanitizers.gni")
+ import("//build/toolchain/ccache.gni")
+ import("//build/toolchain/clang.gni")
++import("//build/config/termux/termux.gni")
+ import("//build/toolchain/toolchain.gni")
+ import("//build/toolchain/wasm.gni")
+
+@@ -228,7 +229,7 @@ config("compiler") {
+     } else if (current_cpu == "x86") {
+       cflags += [ "-m32" ]
+       ldflags += [ "-m32" ]
+-      if (is_clang) {
++      if (is_clang && !is_termux) {
+         cflags += [
+           # Align the stack on 16-byte boundaries, http://crbug.com/418554.
+           "-mstack-alignment=16",
+@@ -271,7 +272,7 @@ config("compiler") {
+       ]
+     }
+   } else if (is_win) {
+-    if (is_clang) {
++    if (is_clang && !is_termux) {
+       if (current_cpu == "x86") {
+         cflags += [ "-m32" ]
+       } else if (current_cpu == "x64") {
+@@ -406,7 +407,7 @@ config("compiler") {
+
+   # Clang-specific compiler flags setup.
+   # ------------------------------------
+-  if (is_clang) {
++  if (is_clang && !is_termux) {
+     cflags += [ "-fcolor-diagnostics" ]
+   }
+
+@@ -514,7 +515,7 @@ config("cxx_version_default") {
+   # a newer version. Targets that have explicitly opted into the newer version
+   # must fix the errors they run into.
+
+-  if (is_clang) {
++  if (is_clang && !is_termux) {
+     extra_warning_flags_cc = [
+       # TODO(174665): Third-party dependency (Angle) needs to patched to work
+       # around this.
+@@ -714,7 +715,7 @@ if (is_win) {
+       "-Wno-nonportable-system-include-path",
+     ]
+   }
+-  if (is_clang) {
++  if (is_clang && !is_termux) {
+     default_warning_flags += [
+       # No support for #pragma optimize. https://crbug.com/505314#c13
+       "-Wno-ignored-pragma-optimize",
+@@ -767,21 +768,21 @@ if (is_win) {
+     "-Wno-psabi",
+   ]
+
+-  if (is_clang) {
++  if (is_clang) {
+     default_warning_flags += [
+       "-Wno-implicit-int-float-conversion",
+       "-Wno-deprecated-copy",
+     ]
+   }
+
+-  if (!is_android && is_clang) {
++  if (!is_android && is_clang && !is_termux) {
+     default_warning_flags += [
+       # Needed for nlohmann/json.
+       "-Wno-deprecated-literal-operator",
+     ]
+   }
+
+-  if (!is_wasm && is_clang) {
++  if (!is_wasm && is_clang && !is_termux) {
+     default_warning_flags += [
+       # Unqualified std::move is pretty common.
+       "-Wno-unqualified-std-cast-call",
+@@ -867,7 +868,7 @@ config("no_chromium_code") {
+     cflags += [ "-Wno-deprecated-non-prototype" ]
+   }
+
+-  if (is_clang) {
++  if (is_clang && !is_termux) {
+     cflags += [
+       "-Wno-newline-eof",
+       "-Wno-typedef-redefinition",
+@@ -902,7 +903,7 @@ config("enable_exceptions") {
+   if (is_win) {
+     cflags_cc = [ "/EHsc" ]
+     defines = [ "_HAS_EXCEPTIONS=1" ]
+-  } else if (is_clang) {
++  } else if (is_clang && !is_termux) {
+     cflags_cc = [ "-fexceptions" ]
+   }
+ }
+@@ -1143,7 +1144,7 @@ config("no_symbols") {
+ # To enable in a GN target, use:
+ #   configs += [ "//build/config/compiler:prevent_unsafe_narrowing" ]
+ config("prevent_unsafe_narrowing") {
+-  if (is_clang) {
++  if (is_clang && !is_termux) {
+     cflags = [
+       "-Wshorten-64-to-32",
+       "-Wimplicit-int-conversion",
 diff --git a/engine/src/build/config/sysroot.gni b/engine/src/build/config/sysroot.gni
-index 5f7e48a..0f9c2e3 100644
+index 12c8df99f44..5e87f79075c 100644
 --- a/engine/src/build/config/sysroot.gni
 +++ b/engine/src/build/config/sysroot.gni
 @@ -17,6 +17,8 @@ declare_args() {
- 
+
  if (current_toolchain == default_toolchain && target_sysroot != "") {
    sysroot = target_sysroot
 +} else if (is_termux && custom_sysroot != "") {
@@ -226,7 +335,7 @@ index 0000000..8208b13
 +      "-stdlib=libstdc++",
 +      "-Wl,--warn-shared-textrel"
 +    ]
-+    lib_dirs = [ "$custom_toolchain/lib/clang/19/lib/linux/" ]
++    lib_dirs = [ "$custom_toolchain/lib/clang/18/lib/linux/" ]
 +    include_dirs = [
 +      "//flutter/third_party/libcxx/include",
 +      "//flutter/third_party/libcxxabi/include",
@@ -322,7 +431,7 @@ index 0000000..564c582
 +  toolchain_cpu = "x86"
 +}
 diff --git a/engine/src/flutter/shell/testing/BUILD.gn b/engine/src/flutter/shell/testing/BUILD.gn
-index 28a19c7..5c3992b 100644
+index 28a19c75d1b..5c3992b31f8 100644
 --- a/engine/src/flutter/shell/testing/BUILD.gn
 +++ b/engine/src/flutter/shell/testing/BUILD.gn
 @@ -56,6 +56,10 @@ executable("testing") {
@@ -334,5 +443,56 @@ index 28a19c7..5c3992b 100644
 +      deps -= [ "//flutter/third_party/swiftshader/src/Vulkan:swiftshader_libvulkan_static" ]
 +    }
    }
- 
+
    metadata = {
+diff --git a/engine/src/flutter/build/secondary/third_party/inja/BUILD.gn b/engine/src/flutter/build/secondary/third_party/inja/BUILD.gn
+--- a/engine/src/flutter/build/secondary/third_party/inja/BUILD.gn
++++ b/engine/src/flutter/build/secondary/third_party/inja/BUILD.gn
+@@ -11,6 +11,7 @@ config("inja_public_config") {
+   if (is_clang) {
+     cflags_cc = [
+       "-Wno-unused-variable",
+       "-Wno-newline-eof",
++      "-Wno-deprecated-literal-operator",
+     ]
+   }
+
+diff --git a/engine/src/flutter/third_party/vulkan-deps/spirv-cross/src/gn/BUILD.gn b/engine/src/flutter/third_party/vulkan-deps/spirv-cross/src/gn/BUILD.gn
+--- a/engine/src/flutter/third_party/vulkan-deps/spirv-cross/src/gn/BUILD.gn
++++ b/engine/src/flutter/third_party/vulkan-deps/spirv-cross/src/gn/BUILD.gn
+@@ -63,6 +63,7 @@ source_set("spirv_cross_sources") {
+       "-Wno-newline-eof",
+       "-Wno-sign-compare",
+       "-Wno-unused-variable",
++      "-Wno-deprecated-this-capture",
+     ]
+   }
+ }
+diff --git a/engine/src/flutter/build/secondary/third_party/spirv_cross_flutter/BUILD.gn b/engine/src/flutter/build/secondary/third_party/spirv_cross_flutter/BUILD.gn
+--- a/engine/src/flutter/build/secondary/third_party/spirv_cross_flutter/BUILD.gn
++++ b/engine/src/flutter/build/secondary/third_party/spirv_cross_flutter/BUILD.gn
+@@ -13,5 +13,23 @@
+ source_set("spirv_cross_flutter") {
+   public_configs = [ ":spirv_cross_public" ]
+ 
++  if (!is_win) {
++    cflags = [ "-fno-exceptions" ]
++  }
++
++  if (is_clang) {
++    cflags_cc = [
++      "-Wno-extra-semi",
++      "-Wno-ignored-qualifiers",
++      "-Wno-implicit-fallthrough",
++      "-Wno-inconsistent-missing-override",
++      "-Wno-missing-field-initializers",
++      "-Wno-newline-eof",
++      "-Wno-sign-compare",
++      "-Wno-unused-variable",
++      "-Wno-deprecated-this-capture",
++    ]
++  }
++
+   sources = [
+     "$source_root/GLSL.std.450.h",
+