nixpkgs/pkgs/applications/science/logic/elan/0001-dynamically-patchelf-binaries.patch

diff --git a/src/elan-dist/src/component/package.rs b/src/elan-dist/src/component/package.rs
index fd9fe74..0fefa39 100644
--- a/src/elan-dist/src/component/package.rs
+++ b/src/elan-dist/src/component/package.rs
@@ -50,11 +50,35 @@ fn unpack_without_first_dir<R: Read>(archive: &mut tar::Archive<R>, path: &Path)
         };
 
         try!(entry.unpack(&full_path).chain_err(|| ErrorKind::ExtractingPackage));
+        nix_patchelf_if_needed(&full_path);
     }
 
     Ok(())
 }
 
+fn nix_patchelf_if_needed(dest_path: &Path) {
+    let (is_bin, is_lib) = if let Some(p) = dest_path.parent() {
+        (p.ends_with("bin"), p.ends_with("lib"))
+    } else {
+        (false, false)
+    };
+
+    if is_bin {
+        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
+            .arg("--set-interpreter")
+            .arg("@dynamicLinker@")
+            .arg(dest_path)
+            .output();
+    }
+    else if is_lib {
+        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
+            .arg("--set-rpath")
+            .arg("@libPath@")
+            .arg(dest_path)
+            .output();
+    }
+}
+
 #[derive(Debug)]
 pub struct ZipPackage<'a>(temp::Dir<'a>);