aboutsummaryrefslogtreecommitdiff
path: root/mesonbuild/cargo/interpreter.py
diff options
context:
space:
mode:
Diffstat (limited to 'mesonbuild/cargo/interpreter.py')
-rw-r--r--mesonbuild/cargo/interpreter.py31
1 files changed, 28 insertions, 3 deletions
diff --git a/mesonbuild/cargo/interpreter.py b/mesonbuild/cargo/interpreter.py
index af272a8..a5d703e 100644
--- a/mesonbuild/cargo/interpreter.py
+++ b/mesonbuild/cargo/interpreter.py
@@ -20,9 +20,8 @@ import urllib.parse
import itertools
import typing as T
-from . import builder
-from . import version
-from ..mesonlib import MesonException, Popen_safe
+from . import builder, version, cfg
+from ..mesonlib import MesonException, Popen_safe, MachineChoice
from .. import coredata, mlog
from ..wrap.wrap import PackageDefinition
@@ -35,6 +34,7 @@ if T.TYPE_CHECKING:
from .. import mparser
from ..environment import Environment
from ..interpreterbase import SubProject
+ from ..compilers.rust import RustCompiler
# Copied from typeshed. Blarg that they don't expose this
class DataclassInstance(Protocol):
@@ -476,10 +476,13 @@ class PackageKey:
class Interpreter:
def __init__(self, env: Environment) -> None:
self.environment = env
+ self.host_rustc = T.cast('RustCompiler', self.environment.coredata.compilers[MachineChoice.HOST]['rust'])
# Map Cargo.toml's subdir to loaded manifest.
self.manifests: T.Dict[str, Manifest] = {}
# Map of cargo package (name + api) to its state
self.packages: T.Dict[PackageKey, PackageState] = {}
+ # Rustc's config
+ self.cfgs = self._get_cfgs()
def interpret(self, subdir: str) -> mparser.CodeBlockNode:
manifest = self._load_manifest(subdir)
@@ -526,6 +529,10 @@ class Interpreter:
self.environment.wrap_resolver.wraps[meson_depname].type is not None
pkg = PackageState(manifest, downloaded)
self.packages[key] = pkg
+ # Merge target specific dependencies that are enabled
+ for condition, dependencies in manifest.target.items():
+ if cfg.eval_cfg(condition, self.cfgs):
+ manifest.dependencies.update(dependencies)
# Fetch required dependencies recursively.
for depname, dep in manifest.dependencies.items():
if not dep.optional:
@@ -599,6 +606,23 @@ class Interpreter:
else:
self._enable_feature(pkg, f)
+ def _get_cfgs(self) -> T.Dict[str, str]:
+ cfgs = self.host_rustc.get_cfgs().copy()
+ rustflags = self.environment.coredata.get_external_args(MachineChoice.HOST, 'rust')
+ rustflags_i = iter(rustflags)
+ for i in rustflags_i:
+ if i == '--cfg':
+ cfgs.append(next(rustflags_i))
+ return dict(self._split_cfg(i) for i in cfgs)
+
+ @staticmethod
+ def _split_cfg(cfg: str) -> T.Tuple[str, str]:
+ pair = cfg.split('=', maxsplit=1)
+ value = pair[1] if len(pair) > 1 else ''
+ if value and value[0] == '"':
+ value = value[1:-1]
+ return pair[0], value
+
def _create_project(self, pkg: PackageState, build: builder.Builder) -> T.List[mparser.BaseNode]:
"""Create the project() function call
@@ -608,6 +632,7 @@ class Interpreter:
"""
default_options: T.List[mparser.BaseNode] = []
default_options.append(build.string(f'rust_std={pkg.manifest.package.edition}'))
+ default_options.append(build.string(f'build.rust_std={pkg.manifest.package.edition}'))
if pkg.downloaded:
default_options.append(build.string('warning_level=0'))