Add patch for Boost.Compute (#1585515)

boost-1.66.0-compute.patch

@@ -0,0 +1,23 @@
+From fdbdb94db64e888fce90fe519be23c2a4396a82e Mon Sep 17 00:00:00 2001
+From: pradeep <pradeep@arrayfire.com>
+Date: Tue, 8 May 2018 14:53:38 +0530
+Subject: [PATCH 1/2] Fix return var qualifier in svm_ptr::get_context
+
+Lack of `const` qualifier is throwing errors with GCC 8.1
+---
+ include/boost/compute/memory/svm_ptr.hpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/boost/compute/memory/svm_ptr.hpp b/include/boost/compute/memory/svm_ptr.hpp
+index c8753f5b..56cf1268 100644
+--- a/include/boost/compute/memory/svm_ptr.hpp
++++ b/include/boost/compute/memory/svm_ptr.hpp
+@@ -126,7 +126,7 @@ class svm_ptr
+         return m_ptr - other.m_ptr;
+     }
+ 
+-    context& get_context() const
++    const context& get_context() const
+     {
+         return m_context;
+     }

boost.spec

@@ -35,7 +35,7 @@ Name: boost
 Summary: The free peer-reviewed portable C++ source libraries
 Version: 1.66.0
 %global version_enc 1_66_0
-Release: 6%{?dist}
+Release: 7%{?dist}
 License: Boost and MIT and Python
 
 %global toplev_dirname %{name}_%{version_enc}
@@ -139,6 +139,9 @@ Patch83: boost-1.66.0-bjam-build-flags.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=1545092
 Patch84: boost-1.66.0-spirit-abs-overflow.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=1585515
+Patch85: boost-1.66.0-compute.patch
+
 %bcond_with tests
 %bcond_with docs_generated
 
@@ -717,6 +720,7 @@ find ./boost -name '*.hpp' -perm /111 | xargs chmod a-x
 %patch82 -p1
 %patch83 -p1
 %patch84 -p1
+%patch85 -p2
 
 # At least python2_version needs to be a macro so that it's visible in
 # %%install as well.
@@ -1393,6 +1397,9 @@ fi
 %{_mandir}/man1/bjam.1*
 
 %changelog
+* Tue Jun 05 2018 Jonathan Wakely <jwakely@redhat.com> - 1.66.0-7
+- Add patch for Boost.Compute (#1585515)
+
 * Fri Apr 27 2018 Jonathan Wakely <jwakely@redhat.com> - 1.66.0-6
 - Make Requires: for boost-container unconditional