From f88735c1eb601dc405b1c8aaa028b7bd0bccfe37 Mon Sep 17 00:00:00 2001
From: lingnanyuan <1297162327@qq.com>
Date: Wed, 26 Sep 2018 11:56:39 -0500
Subject: gmap-gsnap: Add variant for different cpu support. (#8087)

* gmap-gsnap: Add variant for different cpu support.

* gmap-gsnap: fix flake8 error.

* gmap-gsnap: remove sys import.

* Change variant type to multi-valued.

* remove if-statement.

* gmap-gsnap: Build in seperate directories.

* gmap-gsnap: remove make distclean.

* gmap-gsnap: rewrite the recipe.
---
 .../repos/builtin/packages/gmap-gsnap/package.py   | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/var/spack/repos/builtin/packages/gmap-gsnap/package.py b/var/spack/repos/builtin/packages/gmap-gsnap/package.py
index b653513f6a..36af8e1f4d 100644
--- a/var/spack/repos/builtin/packages/gmap-gsnap/package.py
+++ b/var/spack/repos/builtin/packages/gmap-gsnap/package.py
@@ -37,3 +37,33 @@ class GmapGsnap(AutotoolsPackage):
     version('2018-02-12', '13152aedeef9ac66be915fc6bf6464f2')
     version('2017-06-16', 'fcc91b8bdd4bf12ae3124de0c00db0c0')
     version('2014-12-28', '1ab07819c9e5b5b8970716165ccaa7da')
+
+    variant(
+        'simd',
+        description='CPU support.',
+        values=('avx2', 'sse42', 'avx512', 'sse2'),
+        multi=True
+    )
+
+    def configure(self, spec, prefix):
+        configure = Executable('../configure')
+
+        for simd in spec.variants['simd'].value:
+            with working_dir(simd, create=True):
+                configure('--with-simd-level={0}'.format(simd),
+                          '--prefix={0}'.format(prefix))
+
+    def build(self, spec, prefix):
+        for simd in spec.variants['simd'].value:
+            with working_dir(simd):
+                make()
+
+    def check(self):
+        for simd in self.spec.variants['simd'].value:
+            with working_dir(simd):
+                make('check')
+
+    def install(self, spec, prefix):
+        for simd in spec.variants['simd'].value:
+            with working_dir(simd):
+                make('install')
-- 
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