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Register and stability check #[no_link] crates.

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This commit is contained in:
Jeffrey Seyfried 2016-10-28 05:56:06 +00:00
parent a1d45d94b0
commit dd0781ea25
9 changed files with 50 additions and 41 deletions
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2
src/librustc/middle/cstore.rs
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@ -65,6 +65,8 @@ pub struct CrateSource {
#[derive(RustcEncodable, RustcDecodable, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Debug)]
pub enum DepKind {
/// A dependency that is only used for its macros.
MacrosOnly,
/// A dependency that is always injected into the dependency list and so
/// doesn't need to be linked to an rlib, e.g. the injected allocator.
Implicit,

2
src/librustc/middle/dependency_format.rs
View file

@ -124,6 +124,7 @@ fn calculate_type(sess: &session::Session,
return v;
}
for cnum in sess.cstore.crates() {
if sess.cstore.dep_kind(cnum) == DepKind::MacrosOnly { continue }
let src = sess.cstore.used_crate_source(cnum);
if src.rlib.is_some() { continue }
sess.err(&format!("dependency `{}` not found in rlib format",
@ -156,6 +157,7 @@ fn calculate_type(sess: &session::Session,
// dependencies, ensuring there are no conflicts. The only valid case for a
// dependency to be relied upon twice is for both cases to rely on a dylib.
for cnum in sess.cstore.crates() {
if sess.cstore.dep_kind(cnum) == DepKind::MacrosOnly { continue }
let name = sess.cstore.crate_name(cnum);
let src = sess.cstore.used_crate_source(cnum);
if src.dylib.is_some() {