Set the default RUSTFLAGS to allow mismatched_lifetime_syntaxes

Signed-off-by: webbeef <[email protected]>

Author: webbeef

python/servo/build_commands.py

@@ -255,7 +255,7 @@ def build_sanitizer_env(
         # The actual flags will be appended below depending on the sanitizer kind.
         env.setdefault("TARGET_CFLAGS", "")
         env.setdefault("TARGET_CXXFLAGS", "")
-        env.setdefault("RUSTFLAGS", "")
+        env.setdefault("RUSTFLAGS", "-A mismatched_lifetime_syntaxes")
 
         if sanitizer.is_asan():
             if target_triple not in SUPPORTED_ASAN_TARGETS:

python/servo/command_base.py

@@ -497,7 +497,7 @@ def build_env(self) -> dict[str, str]:
         elif self.config["build"]["incremental"] is not None:
             env["CARGO_INCREMENTAL"] = "0"
 
-        env["RUSTFLAGS"] = env.get("RUSTFLAGS", "")
+        env["RUSTFLAGS"] = env.get("RUSTFLAGS", "-A mismatched_lifetime_syntaxes")
 
         if self.config["build"]["rustflags"]:
             env["RUSTFLAGS"] += " " + self.config["build"]["rustflags"]

python/servo/platform/build_target.py

@@ -215,7 +215,7 @@ def to_ndk_bin(prog: str) -> str:
                 capture_output=True,
                 encoding="utf8",
             ).stdout
-            env["RUSTFLAGS"] = env.get("RUSTFLAGS", "")
+            env["RUSTFLAGS"] = env.get("RUSTFLAGS", "-A mismatched_lifetime_syntaxes")
             env["RUSTFLAGS"] += f"-C link-arg={libclangrt_filename}"
 
         assert host_cc