Remove dependency on GCC's LTO linker plugin, since Rust does its' own LTO.

vadimcn · vadimcn · commit 76c02af434a7 · 2014-09-10T21:20:59.000-07:00
diff --git a/src/librustc/back/link.rs b/src/librustc/back/link.rs
@@ -929,6 +929,9 @@ fn link_args(cmd: &mut Command,
         cmd.arg("-nodefaultlibs");
     }
 
+    // Rust does its' own LTO
+    cmd.arg("-fno-lto").arg("-fno-use-linker-plugin");
+
     // If we're building a dylib, we don't use --gc-sections because LLVM has
     // already done the best it can do, and we also don't want to eliminate the
     // metadata. If we're building an executable, however, --gc-sections drops

Original file line number	Diff line number	Diff line change
`@@ -929,6 +929,9 @@ fn link_args(cmd: &mut Command,`
`929`	`929`	`cmd.arg("-nodefaultlibs");`
`930`	`930`	`}`
`931`	`931`
	`932`	`+ // Rust does its' own LTO`
	`933`	`+ cmd.arg("-fno-lto").arg("-fno-use-linker-plugin");`
	`934`	`+`
`932`	`935`	`// If we're building a dylib, we don't use --gc-sections because LLVM has`
`933`	`936`	`// already done the best it can do, and we also don't want to eliminate the`
`934`	`937`	`// metadata. If we're building an executable, however, --gc-sections drops`