Better English for documenting when to use unimplemented!()

[rust.git] / compiler / rustc_llvm / build.rs

diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs
index 621363bed80e1ea2c989a6580da34ee1c82c66a6..301ed639f3b511b578848a9dcf6de27de345d909 100644 (file)
--- a/compiler/rustc_llvm/build.rs
+++ b/compiler/rustc_llvm/build.rs
@@ -88,16 +88,6 @@ fn main() {
         "riscv",
     ];
 
-    let mut version_cmd = Command::new(&llvm_config);
-    version_cmd.arg("--version");
-    let version_output = output(&mut version_cmd);
-    let mut parts = version_output.split('.').take(2).filter_map(|s| s.parse::<u32>().ok());
-    let (major, _minor) = if let (Some(major), Some(minor)) = (parts.next(), parts.next()) {
-        (major, minor)
-    } else {
-        (8, 0)
-    };
-
     let required_components = &[
         "ipo",
         "bitreader",
@@ -123,10 +113,6 @@ fn main() {
         println!("cargo:rustc-cfg=llvm_component=\"{}\"", component);
     }
 
-    if major >= 9 {
-        println!("cargo:rustc-cfg=llvm_has_msp430_asm_parser");
-    }
-
     // Link in our own LLVM shims, compiled with the same flags as LLVM
     let mut cmd = Command::new(&llvm_config);
     cmd.arg("--cxxflags");