dmd: setup dependent build environment (#14198)

* dmd: setup dependent build environment

* Fix call signature of setup_dependent_build_environment

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

@@ -37,6 +37,9 @@ def setup_run_environment(self, env):
         env.prepend_path('LIBRARY_PATH', self.prefix.linux.lib64)
         env.prepend_path('LD_LIBRARY_PATH', self.prefix.linux.lib64)
 
+    def setup_dependent_build_environment(self, env, dependent_spec):
+        self.setup_run_environment(env)
+
     def edit(self, spec, prefix):
         # Move contents to dmd/
         mkdir = which('mkdir')