try allocator libraries

Author: UebelAndre

examples/android/.bazelrc

@@ -8,6 +8,11 @@
 # https://bazel.build/reference/command-line-reference#flag--enable_platform_specific_config
 common --enable_platform_specific_config
 
+# Enable Rust-based allocator library with mangled symbols for Rust 1.89.0+
+# This is required when using recent Rust versions that mangle allocator symbols
+# and when rustc is not used as the final linker (e.g., Android apps)
+build --@rules_rust//rust/settings:experimental_use_allocator_libraries_with_mangled_symbols=true
+
 # Enable the only currently supported report type
 # https://bazel.build/reference/command-line-reference#flag--combined_report
 coverage --combined_report=lcov

examples/android/MODULE.bazel

@@ -31,6 +31,7 @@ bazel_dep(name = "rules_android_ndk", version = "0.1.2")
 # Rust toolchain
 rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")
 rust.toolchain(
+    allocator_library = "@rules_rust//ffi/rs/allocator_library",
     extra_target_triples = [
         "aarch64-linux-android",
     ],

examples/ios/.bazelrc

@@ -8,6 +8,11 @@
 # https://bazel.build/reference/command-line-reference#flag--enable_platform_specific_config
 common --enable_platform_specific_config
 
+# Enable Rust-based allocator library with mangled symbols for Rust 1.89.0+
+# This is required when using recent Rust versions that mangle allocator symbols
+# and when rustc is not used as the final linker (e.g., iOS/macOS apps)
+build --@rules_rust//rust/settings:experimental_use_allocator_libraries_with_mangled_symbols=true
+
 # Enable the only currently supported report type
 # https://bazel.build/reference/command-line-reference#flag--combined_report
 coverage --combined_report=lcov

examples/ios/MODULE.bazel

@@ -25,6 +25,7 @@ bazel_dep(name = "rules_cc", version = "0.2.4")
 # Rust toolchain
 rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")
 rust.toolchain(
+    allocator_library = "@rules_rust//ffi/rs/allocator_library",
     extra_target_triples = [
         "aarch64-apple-ios-sim",
         "x86_64-apple-ios",

examples/ios_build/.bazelrc

@@ -8,6 +8,11 @@
 # https://bazel.build/reference/command-line-reference#flag--enable_platform_specific_config
 common --enable_platform_specific_config
 
+# Enable Rust-based allocator library with mangled symbols for Rust 1.89.0+
+# This is required when using recent Rust versions that mangle allocator symbols
+# and when rustc is not used as the final linker (e.g., iOS/macOS apps)
+build --@rules_rust//rust/settings:experimental_use_allocator_libraries_with_mangled_symbols=true
+
 # Enable the only currently supported report type
 # https://bazel.build/reference/command-line-reference#flag--combined_report
 coverage --combined_report=lcov

examples/ios_build/MODULE.bazel

@@ -27,6 +27,7 @@ bazel_dep(name = "platforms", version = "1.0.0")
 # Rust toolchain
 rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")
 rust.toolchain(
+    allocator_library = "@rules_rust//ffi/rs/allocator_library",
     extra_target_triples = [
         "aarch64-apple-darwin",
         "aarch64-apple-ios-sim",