Add additional configuration options for binutils (#15753)

var/spack/repos/builtin/packages/binutils/package.py

@@ -35,6 +35,9 @@ class Binutils(AutotoolsPackage, GNUMirrorPackage):
     variant('libiberty', default=False, description='Also install libiberty.')
     variant('nls', default=True, description='Enable Native Language Support')
     variant('headers', default=False, description='Install extra headers (e.g. ELF)')
+    variant('lto', default=False, description='Enable lto.')
+    variant('ld', default=False, description='Enable ld.')
+    variant('interwork', default=False, description='Enable interwork.')
 
     patch('cr16.patch', when='@:2.29.1')
     patch('update_symbol-2.26.patch', when='@2.26')
@@ -68,6 +71,15 @@ def configure_args(self):
             '--with-sysroot=/',
         ]
 
+        if '+lto' in spec:
+            configure_args.append('--enable-lto')
+
+        if '+ld' in spec:
+            configure_args.append('--enable-ld')
+
+        if '+interwork' in spec:
+            configure_args.append('--enable-interwork')
+
         if '+gold' in spec:
             configure_args.append('--enable-gold')