From e81533eb9bbd52384b6340cfaf1d354bf77cc058 Mon Sep 17 00:00:00 2001
From: oracleLee <52901865+oracleLee@users.noreply.github.com>
Date: Thu, 25 Jun 2020 11:23:17 +0800
Subject: [PATCH] Update a supported package 'user-meamc' for lammps  (#17207)

* Update package.py

* edit confliction when add package 'meam'

 The USER-MEAMC fully replaces the MEAM package, which has been removed from LAMMPS after the 12 December 2018 version.
---
 var/spack/repos/builtin/packages/lammps/package.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/var/spack/repos/builtin/packages/lammps/package.py b/var/spack/repos/builtin/packages/lammps/package.py
index b578016311..928a7fddab 100644
--- a/var/spack/repos/builtin/packages/lammps/package.py
+++ b/var/spack/repos/builtin/packages/lammps/package.py
@@ -61,8 +61,8 @@ def url_for_version(self, version):
                           'molecule', 'mpiio', 'peri', 'poems', 'python',
                           'qeq', 'replica', 'rigid', 'shock', 'snap', 'spin',
                           'srd', 'user-atc', 'user-h5md', 'user-lb',
-                          'user-misc', 'user-netcdf', 'user-omp', 'user-reaxc',
-                          'voronoi']
+                          'user-meamc', 'user-misc', 'user-netcdf', 'user-omp',
+                          'user-reaxc', 'voronoi']
 
     for pkg in supported_packages:
         variant(pkg, default=False,
@@ -120,6 +120,8 @@ def url_for_version(self, version):
     conflicts('+user-misc', when='~manybody')
     conflicts('%gcc@9:', when='@:20200303+openmp')
     conflicts('+kokkos', when='@:20200227')
+    conflicts('+meam', when='@20181212:')
+    conflicts('+user-meamc', when='@:20181212')
 
     patch("lib.patch", when="@20170901")
     patch("660.patch", when="@20170922")
-- 
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