From ab4e20a49c989defdbb6951660bb038240977edc Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Wed, 10 Jan 2018 09:47:33 -0600
Subject: [PATCH] Older versions of libiconv don't work with newer versions of
 GCC (#6829)

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

diff --git a/var/spack/repos/builtin/packages/libiconv/package.py b/var/spack/repos/builtin/packages/libiconv/package.py
index 1e3d29a4df..bf0ee46b2d 100644
--- a/var/spack/repos/builtin/packages/libiconv/package.py
+++ b/var/spack/repos/builtin/packages/libiconv/package.py
@@ -40,6 +40,8 @@ class Libiconv(AutotoolsPackage):
     # of C11 any more and thus might not exist.
     patch('gets.patch', when='@1.14')
 
+    conflicts('@1.14', when='%gcc@5:')
+
     def configure_args(self):
         args = ['--enable-extra-encodings']
 
-- 
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