mpich: remove now unneeded method

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

@@ -493,25 +493,6 @@ def autoreconf(self, spec, prefix):
         bash = which("bash")
         bash("./autogen.sh")
 
-    @run_before("autoreconf")
-    def die_without_fortran(self):
-        # Until we can pass variants such as +fortran through virtual
-        # dependencies depends_on('mpi'), require Fortran compiler to
-        # avoid delayed build errors in dependents.
-        # The user can work around this by disabling Fortran explicitly
-        # with ~fortran
-
-        f77 = self.compiler.f77
-        fc = self.compiler.fc
-
-        fortran_missing = f77 is None or fc is None
-
-        if "+fortran" in self.spec and fortran_missing:
-            raise InstallError(
-                "mpich +fortran requires Fortran compilers. Configure "
-                "Fortran compiler or disable Fortran support with ~fortran"
-            )
-
     def configure_args(self):
         spec = self.spec
         config_args = [
@@ -541,8 +522,7 @@ def configure_args(self):
                 )
             )
 
-        if "~fortran" in spec:
+        config_args.extend(self.enable_or_disable("fortran"))
-            config_args.append("--disable-fortran")
 
         if "+slurm" in spec:
             config_args.append("--with-slurm=yes")