rust: remove unnecessary repetitive options

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

meson.build

@@ -1,6 +1,7 @@
 project('qemu', ['c'], meson_version: '>=1.5.0',
         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
-                          'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
+                          'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true',
+                          'rust_std=2021', 'build.rust_std=2021'],
         version: files('VERSION'))
 
 meson.add_devenv({ 'MESON_BUILD_ROOT' : meson.project_build_root() })

rust/bits/meson.build

@@ -1,8 +1,6 @@
 _bits_rs = static_library(
   'bits',
   'src/lib.rs',
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   dependencies: [qemu_macros],
 )
 

rust/bql/meson.build

@@ -34,8 +34,6 @@ _bql_rs = static_library(
     ],
     {'.': _bql_bindings_inc_rs}
   ),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   rust_args: _bql_cfg,
   dependencies: [glib_sys_rs],
 )

rust/chardev/meson.build

@@ -33,8 +33,6 @@ _chardev_rs = static_library(
     ],
     {'.': _chardev_bindings_inc_rs}
   ),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   link_with: [_bql_rs, _migration_rs, _qom_rs, _util_rs],
   dependencies: [glib_sys_rs, common_rs, qemu_macros],
 )

rust/common/meson.build

@@ -16,8 +16,6 @@ _common_rs = static_library(
       'src/zeroable.rs',
     ],
   ),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   rust_args: _common_cfg,
   dependencies: [libc_rs, qemu_macros],
 )

rust/migration/meson.build

@@ -36,8 +36,6 @@ _migration_rs = static_library(
     ],
     {'.' : _migration_bindings_inc_rs},
   ),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   link_with: [_util_rs, _bql_rs],
   dependencies: [common_rs, glib_sys_rs, qemu_macros],
 )

rust/qemu-macros/meson.build

@@ -1,7 +1,6 @@
 _qemu_macros_rs = rust.proc_macro(
   'qemu_macros',
   files('src/lib.rs'),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
   dependencies: [
     attrs_rs_native,
     proc_macro2_rs_native,

rust/qom/meson.build

@@ -26,8 +26,6 @@ _qom_rs = static_library(
     ],
     {'.': _qom_bindings_inc_rs}
   ),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   link_with: [_bql_rs, _migration_rs],
   dependencies: [common_rs, glib_sys_rs, qemu_macros],
 )

rust/system/meson.build

@@ -33,8 +33,6 @@ _system_rs = static_library(
     ],
     {'.': _system_bindings_inc_rs}
   ),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   link_with: [_bql_rs, _migration_rs, _qom_rs, _util_rs],
   dependencies: [glib_sys_rs, common_rs, qemu_macros],
 )

rust/tests/meson.build

@@ -2,7 +2,6 @@ test('rust-integration',
     executable(
         'rust-integration',
         files('tests/vmstate_tests.rs'),
-        override_options: ['rust_std=2021', 'build.rust_std=2021'],
         rust_args: ['--test'],
         install: false,
         dependencies: [bql_rs, common_rs, util_rs, migration_rs, qom_rs]),

rust/trace/meson.build

@@ -11,9 +11,7 @@ _trace_rs = static_library(
   'trace',             # Library name,
   lib_rs,
   trace_rs_targets,         # List of generated `.rs` custom targets
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
   dependencies: [libc_rs],
-  rust_abi: 'rust',
 )
 
 trace_rs = declare_dependency(link_with: _trace_rs)

rust/util/meson.build

@@ -38,8 +38,6 @@ _util_rs = static_library(
     ],
     {'.': _util_bindings_inc_rs}
   ),
-  override_options: ['rust_std=2021', 'build.rust_std=2021'],
-  rust_abi: 'rust',
   dependencies: [anyhow_rs, libc_rs, foreign_rs, glib_sys_rs, common_rs, qom, qemuutil],
 )