Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Late link args order #77208

Merged
merged 1 commit into from
Sep 27, 2020
+4 −9
Merged

Late link args order #77208

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions compiler/rustc_codegen_ssa/src/back/link.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1333,9 +1333,6 @@ fn add_late_link_args(
crate_type: CrateType,
codegen_results: &CodegenResults,
) {
if let Some(args) = sess.target.target.options.late_link_args.get(&flavor) {
cmd.args(args);
}
let any_dynamic_crate = crate_type == CrateType::Dylib
|| codegen_results.crate_info.dependency_formats.iter().any(|(ty, list)| {
*ty == crate_type && list.iter().any(|&linkage| linkage == Linkage::Dynamic)
Expand All @@ -1349,6 +1346,9 @@ fn add_late_link_args(
cmd.args(args);
}
}
if let Some(args) = sess.target.target.options.late_link_args.get(&flavor) {
cmd.args(args);
}
}

/// Add arbitrary "post-link" args defined by the target spec.
Expand Down
7 changes: 1 addition & 6 deletions compiler/rustc_target/src/spec/windows_gnu_base.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ pub fn opts() -> TargetOptions {
"-lmsvcrt".to_string(),
"-lmingwex".to_string(),
"-lmingw32".to_string(),
"-lgcc".to_string(), // alas, mingw* libraries above depend on libgcc
// mingw's msvcrt is a weird hybrid import library and static library.
// And it seems that the linker fails to use import symbols from msvcrt
// that are required from functions in msvcrt in certain cases. For example
Expand All @@ -41,8 +42,6 @@ pub fn opts() -> TargetOptions {
// the shared libgcc_s-dw2-1.dll. This is required to support
// unwinding across DLL boundaries.
"-lgcc_s".to_string(),
"-lgcc".to_string(),
"-lkernel32".to_string(),
];
late_link_args_dynamic.insert(LinkerFlavor::Gcc, dynamic_unwind_libs.clone());
late_link_args_dynamic.insert(LinkerFlavor::Lld(LldFlavor::Ld), dynamic_unwind_libs);
Expand All @@ -54,10 +53,6 @@ pub fn opts() -> TargetOptions {
// boundaries when unwinding across FFI boundaries.
"-lgcc_eh".to_string(),
"-l:libpthread.a".to_string(),
"-lgcc".to_string(),
// libpthread depends on libmsvcrt, so we need to link it *again*.
"-lmsvcrt".to_string(),
"-lkernel32".to_string(),
];
late_link_args_static.insert(LinkerFlavor::Gcc, static_unwind_libs.clone());
late_link_args_static.insert(LinkerFlavor::Lld(LldFlavor::Ld), static_unwind_libs);
Expand Down