1 files changed, 317 insertions, 0 deletions
diff --git a/www-client/chromium/files/chromium-125-compiler.patch b/www-client/chromium/files/chromium-125-compiler.patch
new file mode 100644
index 0000000..f656fcf
--- /dev/null
+++ b/www-client/chromium/files/chromium-125-compiler.patch
@@ -0,0 +1,317 @@
+diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
+index 2ac26091c0..75abd9a935 100644
+--- a/build/config/compiler/BUILD.gn
++++ b/build/config/compiler/BUILD.gn
+@@ -319,9 +319,6 @@ config("compiler") {
+ 
+   configs += [
+     # See the definitions below.
+-    ":clang_revision",
+-    ":rustc_revision",
+-    ":compiler_cpu_abi",
+     ":compiler_codegen",
+     ":compiler_deterministic",
+   ]
+@@ -496,6 +493,9 @@ config("compiler") {
+     ldflags += [ "-fPIC" ]
+     rustflags += [ "-Crelocation-model=pic" ]
+ 
++    extra_rustflags = getenv("RUSTFLAGS")
++    rustflags += [ extra_rustflags ]
++
+     if (!is_clang) {
+       # Use pipes for communicating between sub-processes. Faster.
+       # (This flag doesn't do anything with Clang.)
+@@ -587,55 +587,6 @@ config("compiler") {
+     ldflags += [ "-Wl,-z,keep-text-section-prefix" ]
+   }
+ 
+-  if (is_clang && !is_nacl && current_os != "zos") {
+-    cflags += [ "-fcrash-diagnostics-dir=" + clang_diagnostic_dir ]
+-    if (save_reproducers_on_lld_crash && use_lld) {
+-      ldflags += [
+-        "-fcrash-diagnostics=all",
+-        "-fcrash-diagnostics-dir=" + clang_diagnostic_dir,
+-      ]
+-    }
+-
+-    # TODO(hans): Remove this once Clang generates better optimized debug info
+-    # by default. https://crbug.com/765793
+-    cflags += [
+-      "-mllvm",
+-      "-instcombine-lower-dbg-declare=0",
+-    ]
+-    if (!is_debug && use_thin_lto && is_a_target_toolchain) {
+-      if (is_win) {
+-        ldflags += [ "-mllvm:-instcombine-lower-dbg-declare=0" ]
+-      } else {
+-        ldflags += [ "-Wl,-mllvm,-instcombine-lower-dbg-declare=0" ]
+-      }
+-    }
+-
+-    # TODO(crbug.com/1488374): This causes binary size growth and potentially
+-    # other problems.
+-    # TODO(crbug.com/1491036): This isn't supported by Cronet's mainline llvm version.
+-    if (default_toolchain != "//build/toolchain/cros:target" &&
+-        !llvm_android_mainline) {
+-      cflags += [
+-        "-mllvm",
+-        "-split-threshold-for-reg-with-hint=0",
+-      ]
+-      if (use_thin_lto && is_a_target_toolchain) {
+-        if (is_win) {
+-          ldflags += [ "-mllvm:-split-threshold-for-reg-with-hint=0" ]
+-        } else {
+-          ldflags += [ "-Wl,-mllvm,-split-threshold-for-reg-with-hint=0" ]
+-        }
+-      }
+-    }
+-
+-    # TODO(crbug.com/1235145): Investigate why/if this should be needed.
+-    if (is_win) {
+-      cflags += [ "/clang:-ffp-contract=off" ]
+-    } else {
+-      cflags += [ "-ffp-contract=off" ]
+-    }
+-  }
+-
+   # C11/C++11 compiler flags setup.
+   # ---------------------------
+   if (is_linux || is_chromeos || is_android || (is_nacl && is_clang) ||
+@@ -1000,17 +951,6 @@ config("compiler") {
+     # `-nodefaultlibs` from the linker invocation from Rust, which would be used
+     # to compile dylibs on Android, such as for constructing unit test APKs.
+     "-Cdefault-linker-libraries",
+-
+-    # To make Rust .d files compatible with ninja
+-    "-Zdep-info-omit-d-target",
+-
+-    # If a macro panics during compilation, show which macro and where it is
+-    # defined.
+-    "-Zmacro-backtrace",
+-
+-    # For deterministic builds, keep the local machine's current working
+-    # directory from appearing in build outputs.
+-    "-Zremap-cwd-prefix=.",
+   ]
+ 
+   if (!is_win || force_rustc_color_output) {
+@@ -1518,46 +1458,6 @@ config("compiler_deterministic") {
+     }
+   }
+ 
+-  # Makes builds independent of absolute file path.
+-  if (is_clang && strip_absolute_paths_from_debug_symbols) {
+-    # If debug option is given, clang includes $cwd in debug info by default.
+-    # For such build, this flag generates reproducible obj files even we use
+-    # different build directory like "out/feature_a" and "out/feature_b" if
+-    # we build same files with same compile flag.
+-    # Other paths are already given in relative, no need to normalize them.
+-    if (is_nacl) {
+-      # TODO(https://crbug.com/1231236): Use -ffile-compilation-dir= here.
+-      cflags += [
+-        "-Xclang",
+-        "-fdebug-compilation-dir",
+-        "-Xclang",
+-        ".",
+-      ]
+-    } else {
+-      # -ffile-compilation-dir is an alias for both -fdebug-compilation-dir=
+-      # and -fcoverage-compilation-dir=.
+-      cflags += [ "-ffile-compilation-dir=." ]
+-      swiftflags += [ "-file-compilation-dir=." ]
+-    }
+-    if (!is_win) {
+-      # We don't use clang -cc1as on Windows (yet? https://crbug.com/762167)
+-      asmflags = [ "-Wa,-fdebug-compilation-dir,." ]
+-    }
+-
+-    if (is_win && use_lld) {
+-      if (symbol_level == 2 || (is_clang && using_sanitizer)) {
+-        # Absolutize source file paths for PDB. Pass the real build directory
+-        # if the pdb contains source-level debug information and if linker
+-        # reproducibility is not critical.
+-        ldflags += [ "/PDBSourcePath:" + rebase_path(root_build_dir) ]
+-      } else {
+-        # Use a fake fixed base directory for paths in the pdb to make the pdb
+-        # output fully deterministic and independent of the build directory.
+-        ldflags += [ "/PDBSourcePath:o:\fake\prefix" ]
+-      }
+-    }
+-  }
+-
+   # Tells the compiler not to use absolute paths when passing the default
+   # paths to the tools it invokes. We don't want this because we don't
+   # really need it and it can mess up the RBE cache entries.
+@@ -1576,39 +1476,6 @@ config("compiler_deterministic") {
+   }
+ }
+ 
+-config("clang_revision") {
+-  if (is_clang && clang_base_path == default_clang_base_path) {
+-    update_args = [
+-      "--print-revision",
+-      "--verify-version=$clang_version",
+-    ]
+-    if (llvm_force_head_revision) {
+-      update_args += [ "--llvm-force-head-revision" ]
+-    }
+-    clang_revision = exec_script("//tools/clang/scripts/update.py",
+-                                 update_args,
+-                                 "trim string")
+-
+-    # This is here so that all files get recompiled after a clang roll and
+-    # when turning clang on or off. (defines are passed via the command line,
+-    # and build system rebuild things when their commandline changes). Nothing
+-    # should ever read this define.
+-    defines = [ "CR_CLANG_REVISION=\"$clang_revision\"" ]
+-  }
+-}
+-
+-config("rustc_revision") {
+-  if (rustc_revision != "") {
+-    # Similar to the above config, this is here so that all files get recompiled
+-    # after a rustc roll. Nothing should ever read this cfg. This will not be
+-    # set if a custom toolchain is used.
+-    rustflags = [
+-      "--cfg",
+-      "cr_rustc_revision=\"$rustc_revision\"",
+-    ]
+-  }
+-}
+-
+ config("compiler_arm_fpu") {
+   if (current_cpu == "arm" && !is_ios && !is_nacl) {
+     cflags = [ "-mfpu=$arm_fpu" ]
+@@ -1981,11 +1848,7 @@ config("chromium_code") {
+       defines = [ "_HAS_NODISCARD" ]
+     }
+   } else {
+-    cflags = [ "-Wall" ]
+-    if (is_clang) {
+-      # Enable extra warnings for chromium_code when we control the compiler.
+-      cflags += [ "-Wextra" ]
+-    }
++    cflags = [ ]
+ 
+     # In Chromium code, we define __STDC_foo_MACROS in order to get the
+     # C99 macros on Mac and Linux.
+@@ -1994,24 +1857,6 @@ config("chromium_code") {
+       "__STDC_FORMAT_MACROS",
+     ]
+ 
+-    if (!is_debug && !using_sanitizer && current_cpu != "s390x" &&
+-        current_cpu != "s390" && current_cpu != "ppc64" &&
+-        current_cpu != "mips" && current_cpu != "mips64" &&
+-        current_cpu != "riscv64" && current_cpu != "loong64") {
+-      # Non-chromium code is not guaranteed to compile cleanly with
+-      # _FORTIFY_SOURCE. Also, fortified build may fail when optimizations are
+-      # disabled, so only do that for Release build.
+-      fortify_level = "2"
+-
+-      # ChromeOS's toolchain supports a high-quality _FORTIFY_SOURCE=3
+-      # implementation with a few custom glibc patches. Use that if it's
+-      # available.
+-      if (is_chromeos_device && !lacros_use_chromium_toolchain) {
+-        fortify_level = "3"
+-      }
+-      defines += [ "_FORTIFY_SOURCE=" + fortify_level ]
+-    }
+-
+     if (is_apple) {
+       cflags_objc = [ "-Wimplicit-retain-self" ]
+       cflags_objcc = [ "-Wimplicit-retain-self" ]
+@@ -2387,7 +2232,8 @@ config("default_stack_frames") {
+ }
+ 
+ # Default "optimization on" config.
+-config("optimize") {
++config("optimize") { }
++config("xoptimize") {
+   if (is_win) {
+     cflags = [ "/O2" ] + common_optimize_on_cflags
+ 
+@@ -2428,7 +2274,8 @@ config("optimize") {
+ }
+ 
+ # Turn off optimizations.
+-config("no_optimize") {
++config("no_optimize") { }
++config("xno_optimize") {
+   if (is_win) {
+     cflags = [
+       "/Od",  # Disable optimization.
+@@ -2468,7 +2315,8 @@ config("no_optimize") {
+ # Turns up the optimization level. Used to explicitly enable -O2 instead of
+ # -Os for select targets on platforms that use optimize_for_size. No-op
+ # elsewhere.
+-config("optimize_max") {
++config("optimize_max") { }
++config("xoptimize_max") {
+   if (is_nacl && is_nacl_irt) {
+     # The NaCl IRT is a special case and always wants its own config.
+     # Various components do:
+@@ -2501,7 +2349,8 @@ config("optimize_max") {
+ #
+ # TODO(crbug.com/621335) - rework how all of these configs are related
+ # so that we don't need this disclaimer.
+-config("optimize_speed") {
++config("optimize_speed") { }
++config("xoptimize_speed") {
+   if (is_nacl && is_nacl_irt) {
+     # The NaCl IRT is a special case and always wants its own config.
+     # Various components do:
+@@ -2530,7 +2379,8 @@ config("optimize_speed") {
+   }
+ }
+ 
+-config("optimize_fuzzing") {
++config("optimize_fuzzing") { }
++config("xoptimize_fuzzing") {
+   cflags = [ "-O1" ] + common_optimize_on_cflags
+   rustflags = [ "-Copt-level=1" ]
+   ldflags = common_optimize_on_ldflags
+@@ -2663,7 +2513,8 @@ config("win_pdbaltpath") {
+ }
+ 
+ # Full symbols.
+-config("symbols") {
++config("symbols") { }
++config("xsymbols") {
+   rustflags = []
+   if (is_win) {
+     if (is_clang) {
+@@ -2812,7 +2663,8 @@ config("symbols") {
+ # Minimal symbols.
+ # This config guarantees to hold symbol for stack trace which are shown to user
+ # when crash happens in unittests running on buildbot.
+-config("minimal_symbols") {
++config("minimal_symbols") { }
++config("xminimal_symbols") {
+   rustflags = []
+   if (is_win) {
+     # Functions, files, and line tables only.
+@@ -2897,7 +2749,8 @@ config("minimal_symbols") {
+ # This configuration contains function names only. That is, the compiler is
+ # told to not generate debug information and the linker then just puts function
+ # names in the final debug information.
+-config("no_symbols") {
++config("no_symbols") { }
++config("xno_symbols") {
+   if (is_win) {
+     ldflags = [ "/DEBUG" ]
+ 
+diff --git a/build/config/rust.gni b/build/config/rust.gni
+index 59fa14463b..ca780602b4 100644
+--- a/build/config/rust.gni
++++ b/build/config/rust.gni
+@@ -75,7 +75,8 @@ declare_args() {
+   #
+   # TODO(https://crbug.com/1482525): Re-enable ThinLTO for Rust on LaCrOS
+   # TODO(b/300937673): Re-enable ThinLTO for Rust on ash-chrome
+-  toolchain_supports_rust_thin_lto = !is_chromeos
++  # toolchain_supports_rust_thin_lto = !is_chromeos
++  toolchain_supports_rust_thin_lto = false
+ 
+   # Any extra std rlibs in your Rust toolchain, relative to the standard
+   # Rust toolchain. Typically used with 'rust_sysroot_absolute'