From b37d7b8ed7012109efb9af60de5f9f77932baac9 Mon Sep 17 00:00:00 2001
From: Kai Torben Ohlhus <k.ohlhus@gmail.com>
Date: Thu, 27 Feb 2020 15:19:24 +0900
Subject: [PATCH] arpack-ng: ILP64 support (#15103)
Details about ILP64 support: `INTERFACE64=1` are described on the [ARPACK-NG GitHub website](https://github.com/opencollab/arpack-ng).
---
var/spack/repos/builtin/packages/arpack-ng/package.py | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/var/spack/repos/builtin/packages/arpack-ng/package.py b/var/spack/repos/builtin/packages/arpack-ng/package.py
index 468a8947c2..35a263541f 100644
--- a/var/spack/repos/builtin/packages/arpack-ng/package.py
+++ b/var/spack/repos/builtin/packages/arpack-ng/package.py
@@ -108,7 +108,11 @@ def install(self, spec, prefix):
if '+mpi' in spec:
options.append('-DMPI=ON')
- # TODO: -DINTERFACE64=ON
+ # If 64-bit BLAS is used:
+ if (spec.satisfies('^openblas+ilp64') or
+ spec.satisfies('^intel-mkl+ilp64') or
+ spec.satisfies('^intel-parallel-studio+mkl+ilp64')):
+ options.append('-DINTERFACE64=1')
if '+shared' in spec:
options.append('-DBUILD_SHARED_LIBS=ON')
--
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