IssueTracker

I tried to compile Chromium on my local Ubuntu system using the following args parameters (parameters from android-x64-rel tryjobs) and commands, but I found that I encountered many lint warnings (or errors) that broke my local build.

autoninja -C out/android

android_static_analysis = "off"
dcheck_always_on = true
debuggable_apks = false
enable_chrome_android_internal = false
ffmpeg_branding = "Chrome"
is_component_build = false
is_debug = false
proprietary_codecs = true
skip_secondary_abi_for_cq = true
strip_debug_info = true
symbol_level = 0
system_webview_package_name = "com.google.android.webview.debug"
system_webview_shell_package_name = "org.chromium.my_webview_shell"
target_cpu = "x64"
target_os = "android"
use_remoteexec = true
client_cfg_dir = "../../buildtools/reclient_cfgs/linux"

Unchecked or unsafe operation used.
Note: For more information, please recompile with -Xlint:unchecked.

Deprecated API used or overridden.
Note: For more information, please recompile with -Xlint:deprecation.

Note: Some input files use or override deprecated APIs marked for removal.
Note: For more information, please recompile with -Xlint:removal.

I then tried to add treat_warnings_as_errors = false in the args parameter, but soon after, the build was broken again when executing build/android/test/incremental_javac_gn/incremental_javac_test_android_library.py, and prompted similar warnings (or errors) as before, so I set treat_warnings_as_errors = true in incremental_javac_test_android_library.py to false again to try to get the build to continue.

But unfortunately, the build was broken again when executing build/android/gyp/nocompile_test.py for similar reasons, and I had to add treat_warnings_as_errors = false again. Soon after adding this parameter, the compilation was broken again.

After this, I tried to simplify the args parameter as follows, and found that I still encountered lint warnings (or errors).

target_os = "android"
target_cpu = "x86"
system_webview_shell_package_name = "org.chromium.my_webview_shell"
use_remoteexec = true
reclient_cfg_dir = "../../buildtools/reclient_cfgs/linux"

I had to add treat_warnings_as_errors=false again, and tried adding -Xlint:deprecation in compile_java.py to observe the warning (error) messages. Because the messages is too long, I post part of it below.

FAILED: obj/tools/android/errorprone_plugin/errorprone_plugin.javac.jar obj/tools/android/errorprone_plugin/errorprone_plugin.javac.jar.info
../../tools/android/errorprone_plugin/src/org/chromium/tools/errorprone/plugin/NoSynchronizedMethodCheck.java:53: warning: [deprecation] addFix(Optional<? extends Fix>) in Builder is obsolete
 .addFix(
 ^
1 warning

Command failed because it wrote to stderr.
You can often set treat_warnings_as_errors=false to not treat output as failure (useful when developing locally).

FAILED: obj/mojo/public/java/bindings_java.javac.jar obj/mojo/public/java/bindings_java.javac.jar.info
../../mojo/public/java/bindings/src/org/chromium/mojo/bindings/AutoCloseableRouter.java:105: warning: [deprecation] finalize() in Object is deprecated
protected void finalize() throws Throwable {
^
../../mojo/public/java/bindings/src/org/chromium/mojo/bindings/AutoCloseableRouter.java:120: warning: [deprecation] finalize() in Object is deprecated
super.finalize();
^
../../mojo/public/java/bindings/src/org/chromium/mojo/bindings/RouterImpl.java:71: warning: [deprecation] finalize() in Object is deprecated
protected void finalize() throws Throwable { 
^
../../mojo/public/java/bindings/src/org/chromium/mojo/bindings/RouterImpl.java:78: warning: [deprecation] finalize() in Object is deprecated
 super.finalize();
 ^
4 warnings

Command failed because it wrote to stderr.
You can often set treat_warnings_as_errors=false to not treat output as failure (useful when developing locally).

The above problems bothered me a lot, and I found that the official tryjobs did not seem to encounter these problems.

How can I fix my local android build? I'd appreciate any help!