Tell the linker when we want to link a static executable

[rust.git] / src / librustc_trans / back / linker.rs

diff --git a/src/librustc_trans/back/linker.rs b/src/librustc_trans/back/linker.rs
index ab401465b560b80b09ee460b9ad0d99cb99bbf9c..9b0a5e3f4a5b11603119d84d516d147e5cd843d0 100644 (file)
--- a/src/librustc_trans/back/linker.rs
+++ b/src/librustc_trans/back/linker.rs
@@ -110,6 +110,7 @@ pub trait Linker {
     fn debuginfo(&mut self);
     fn no_default_libraries(&mut self);
     fn build_dylib(&mut self, out_filename: &Path);
+    fn build_static_executable(&mut self);
     fn args(&mut self, args: &[String]);
     fn export_symbols(&mut self, tmpdir: &Path, crate_type: CrateType);
     fn subsystem(&mut self, subsystem: &str);
@@ -179,6 +180,7 @@ impl<'a> Linker for GccLinker<'a> {
     fn position_independent_executable(&mut self) { self.cmd.arg("-pie"); }
     fn partial_relro(&mut self) { self.linker_arg("-z,relro"); }
     fn full_relro(&mut self) { self.linker_arg("-z,relro,-z,now"); }
+    fn build_static_executable(&mut self) { self.cmd.arg("-static"); }
     fn args(&mut self, args: &[String]) { self.cmd.args(args); }
 
     fn link_rust_dylib(&mut self, lib: &str, _path: &Path) {
@@ -396,6 +398,10 @@ fn build_dylib(&mut self, out_filename: &Path) {
         self.cmd.arg(arg);
     }
 
+    fn build_static_executable(&mut self) {
+        // noop
+    }
+
     fn gc_sections(&mut self, _keep_metadata: bool) {
         // MSVC's ICF (Identical COMDAT Folding) link optimization is
         // slow for Rust and thus we disable it by default when not in
@@ -683,6 +689,10 @@ fn build_dylib(&mut self, _out_filename: &Path) {
         bug!("building dynamic library is unsupported on Emscripten")
     }
 
+    fn build_static_executable(&mut self) {
+        // noop
+    }
+
     fn export_symbols(&mut self, _tmpdir: &Path, crate_type: CrateType) {
         let symbols = &self.info.exports[&crate_type];