From 8e00aa7c79253103329f33cb230524f28e1f7344 Mon Sep 17 00:00:00 2001
From: Jonathon Anderson <17242663+blue42u@users.noreply.github.com>
Date: Wed, 13 Jul 2022 15:02:17 -0500
Subject: m4: Add build dependency on diffutils (#31232)

---
 var/spack/repos/builtin/packages/m4/package.py | 1 +
 1 file changed, 1 insertion(+)

(limited to 'var')

diff --git a/var/spack/repos/builtin/packages/m4/package.py b/var/spack/repos/builtin/packages/m4/package.py
index cb0091e6e1..a4599c3afc 100644
--- a/var/spack/repos/builtin/packages/m4/package.py
+++ b/var/spack/repos/builtin/packages/m4/package.py
@@ -44,6 +44,7 @@ class M4(AutotoolsPackage, GNUMirrorPackage):
     variant('sigsegv', default=True,
             description="Build the libsigsegv dependency")
 
+    depends_on('diffutils', type='build')
     depends_on('libsigsegv', when='+sigsegv')
 
     build_directory = 'spack-build'
-- 
cgit v1.2.3-70-g09d2