interpreter: when overriding a dependency make its name match

Otherwise internal dependencies have auto-generated names that are not
human readable. Instead, use the name that the dependency overrides. For
example:

```meson
meson.override_dependency('zlib', declare_dependency())
dep_zlib = dependency('zlib')
assert(dep_zlib.name() == 'zlib')
```

Fixes: #12967
pull/12116/merge
Dylan Baker 8 months ago
parent 6d713e40f8
commit b1340e9bb1
  1. 13
      mesonbuild/interpreter/mesonmain.py
  2. 18
      test cases/common/98 subproject subdir/meson.build

@ -1,8 +1,9 @@
# SPDX-License-Identifier: Apache-2.0
# Copyright 2012-2021 The Meson development team
# Copyright © 2021 Intel Corporation
# Copyright © 2021-2024 Intel Corporation
from __future__ import annotations
import copy
import os
import typing as T
@ -347,6 +348,16 @@ class MesonMain(MesonInterpreterObject):
if not name:
raise InterpreterException('First argument must be a string and cannot be empty')
# Make a copy since we're going to mutate.
#
# dep = declare_dependency()
# meson.override_dependency('foo', dep)
# meson.override_dependency('foo-1.0', dep)
# dep = dependency('foo')
# dep.name() # == 'foo-1.0'
dep = copy.copy(dep)
dep.name = name
optkey = OptionKey('default_library', subproject=self.interpreter.subproject)
default_library = self.interpreter.coredata.get_option(optkey)
assert isinstance(default_library, str), 'for mypy'

@ -1,3 +1,7 @@
# SPDX-License-Identifier: Apache-2.0
# Copyright 2016-2023 The Meson Developers
# Copyright © 2024 Intel Corporation
project('proj', 'c')
subproject('sub')
libSub = dependency('sub', fallback: ['sub', 'libSub'])
@ -6,7 +10,19 @@ exe = executable('prog', 'prog.c', dependencies: libSub)
test('subproject subdir', exe)
# Verify the subproject has placed dependency override.
dependency('sub-1.0')
d = dependency('sub-1.0')
# verify that the name is the overridden name
assert(d.name() == 'sub-1.0', 'name was not properly set, should have been "sub-1.0", but was @0@'.format(d.name()))
# Verify that when a dependency object is used for two overrides, the correct
# name is used
meson.override_dependency('new-dep', d)
d2 = dependency('new-dep')
assert(d2.name() == 'new-dep', 'name was not properly set, should have been "new-dep", but was @0@'.format(d2.name()))
# And that the old dependency wasn't changed
assert(d.name() == 'sub-1.0', 'original dependency was mutated.')
# Verify we can now take 'sub' dependency without fallback, but only version 1.0.
dependency('sub')

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