From 25a0d89b58c977b4882da09b865b3e58191f5a71 Mon Sep 17 00:00:00 2001
From: eugeneswalker <38933153+eugeneswalker@users.noreply.github.com>
Date: Wed, 12 Aug 2020 13:42:03 -0700
Subject: petsc: add explicit build dependency: diffutils (#17979)

---
 var/spack/repos/builtin/packages/petsc/package.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'var')

diff --git a/var/spack/repos/builtin/packages/petsc/package.py b/var/spack/repos/builtin/packages/petsc/package.py
index e801b4d296..0a44765056 100644
--- a/var/spack/repos/builtin/packages/petsc/package.py
+++ b/var/spack/repos/builtin/packages/petsc/package.py
@@ -159,6 +159,8 @@ class Petsc(Package):
 
     patch('xlf_fix-dup-petscfecreate.patch', when='@3.11.0')
 
+    depends_on('diffutils', type='build')
+
     # Virtual dependencies
     # Git repository needs sowing to build Fortran interface
     depends_on('sowing', when='@develop')
-- 
cgit v1.2.3-70-g09d2