From 39139b9db8685528cc09c46c96138cc8536f0496 Mon Sep 17 00:00:00 2001
From: Toyohisa Kameyama <kameyama@riken.jp>
Date: Wed, 24 Jul 2019 06:47:28 +0900
Subject: [PATCH] nanoflann: Don't add -mtune=native on ARM and gcc 5.x
 (#12093)

---
 var/spack/repos/builtin/packages/nanoflann/package.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/var/spack/repos/builtin/packages/nanoflann/package.py b/var/spack/repos/builtin/packages/nanoflann/package.py
index dd557ac4bc..88f3a64513 100644
--- a/var/spack/repos/builtin/packages/nanoflann/package.py
+++ b/var/spack/repos/builtin/packages/nanoflann/package.py
@@ -15,6 +15,10 @@ class Nanoflann(CMakePackage):
 
     version('1.2.3', '92a0f44a631c41aa06f9716c51dcdb11')
 
+    def patch(self):
+        if self.spec.satisfies('target=aarch64 %gcc@:5.9'):
+            filter_file('-mtune=native', '', 'CMakeLists.txt')
+
     def cmake_args(self):
         args = ['-DBUILD_SHARED_LIBS=ON']
         return args