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体验新版 GitCode,发现更多精彩内容 >>
提交
f91d7baa
编写于
7月 24, 2018
作者:
V
varkor
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电子邮件补丁
差异文件
Add special support for libc
上级
53add5d7
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
3 addition
and
6 deletion
+3
-6
src/librustc/middle/lib_features.rs
src/librustc/middle/lib_features.rs
+0
-2
src/librustc/middle/stability.rs
src/librustc/middle/stability.rs
+3
-3
src/libsyntax/feature_gate.rs
src/libsyntax/feature_gate.rs
+0
-1
未找到文件。
src/librustc/middle/lib_features.rs
浏览文件 @
f91d7baa
...
...
@@ -62,8 +62,6 @@ fn extract(&self, attrs: &[Attribute]) -> Vec<(Symbol, Option<Symbol>, Span)> {
let
mut
features
=
vec!
[];
for
attr
in
attrs
{
// FIXME(varkor): the stability attribute might be behind a `#[cfg]` attribute.
// Find a stability attribute (i.e. `#[stable (..)]`, `#[unstable (..)]`,
// `#[rustc_const_unstable (..)]`).
if
let
Some
(
stab_attr
)
=
stab_attrs
.iter
()
.find
(|
stab_attr
|
{
...
...
src/librustc/middle/stability.rs
浏览文件 @
f91d7baa
...
...
@@ -813,7 +813,6 @@ pub fn check_unused_or_stable_features<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
krate
.visit_all_item_likes
(
&
mut
missing
.as_deep_visitor
());
}
let
declared_lang_features
=
&
tcx
.features
()
.declared_lang_features
;
let
mut
lang_features
=
FxHashSet
();
for
&
(
feature
,
span
,
since
)
in
declared_lang_features
{
...
...
@@ -837,8 +836,9 @@ pub fn check_unused_or_stable_features<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
}
remaining_lib_features
.insert
(
feature
,
span
.clone
());
}
// FIXME(varkor): we don't properly handle lib features behind `cfg` attributes yet,
// but it happens just to affect `libc`, so we're just going to hard-code it for now.
// `stdbuild` has special handling for `libc`, so we need to
// recognise the feature when building std.
// FIXME: only remove `libc` when `stdbuild` is active.
remaining_lib_features
.remove
(
&
Symbol
::
intern
(
"libc"
));
for
(
feature
,
stable
)
in
tcx
.lib_features
()
.iter
()
{
...
...
src/libsyntax/feature_gate.rs
浏览文件 @
f91d7baa
...
...
@@ -321,7 +321,6 @@ pub fn use_extern_macros(&self) -> bool {
// `extern "x86-interrupt" fn()`
(
active
,
abi_x86_interrupt
,
"1.17.0"
,
Some
(
40180
),
None
),
// Allows the `catch {...}` expression
(
active
,
catch_expr
,
"1.17.0"
,
Some
(
31436
),
Some
(
Edition
::
Edition2018
)),
...
...
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