From 59640af1c5348bde628157d265c81f5f9a9bf19f Mon Sep 17 00:00:00 2001
From: Felix Gruber <felgru@posteo.net>
Date: Tue, 2 May 2023 21:59:30 +0200
Subject: gnu: dune-common: Skip tests that fail on aarch64-linux.
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* gnu/packages/patches/dune-common-skip-failing-tests.patch: New file.
* gnu/packages/maths.scm (dune-common)[source]: Add it
* gnu/local.mk (dist_patch_DATA): Register it.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/local.mk                                       |  1 +
 gnu/packages/maths.scm                             |  3 ++-
 .../patches/dune-common-skip-failing-tests.patch   | 28 ++++++++++++++++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/dune-common-skip-failing-tests.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 4305bee89c..5f5de953d7 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1056,6 +1056,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/dovecot-trees-support-dovecot-2.3.patch	\
   %D%/packages/patches/dstat-fix-crash-when-specifying-delay.patch	\
   %D%/packages/patches/dstat-skip-devices-without-io.patch	\
+  %D%/packages/patches/dune-common-skip-failing-tests.patch	\
   %D%/packages/patches/dune-grid-add-missing-include-cassert.patch	\
   %D%/packages/patches/dune-istl-fix-solver-playground.patch	\
   %D%/packages/patches/dvd+rw-tools-add-include.patch 		\
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index d7e2719b70..1cf26927fa 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -6805,7 +6805,8 @@ linear algebra primitives specifically targeting graph analytics.")
                            version "/dune-common-" version ".tar.gz"))
        (sha256
         (base32
-         "04pzk8q0bibci8z5xlwndhh3y3vs63mw7kad62lbzfwrr5121hrd"))))
+         "04pzk8q0bibci8z5xlwndhh3y3vs63mw7kad62lbzfwrr5121hrd"))
+       (patches (search-patches "dune-common-skip-failing-tests.patch"))))
     (build-system cmake-build-system)
     (arguments
      `(#:phases
diff --git a/gnu/packages/patches/dune-common-skip-failing-tests.patch b/gnu/packages/patches/dune-common-skip-failing-tests.patch
new file mode 100644
index 0000000000..7b0aa49d73
--- /dev/null
+++ b/gnu/packages/patches/dune-common-skip-failing-tests.patch
@@ -0,0 +1,28 @@
+Disable tests known to fail on AArch64:
+
+  https://gitlab.dune-project.org/core/dune-common/-/issues/262
+  https://issues.guix.gnu.org/62842
+
+--- a/dune/common/test/eigenvaluestest.cc
++++ b/dune/common/test/eigenvaluestest.cc
+@@ -340,20 +340,15 @@
+   testSymmetricFieldMatrix<double,200>();
+   testSymmetricFieldMatrix<float,4>();
+   testSymmetricFieldMatrix<float,200>();
+-  testSymmetricFieldMatrix<long double,4>();
+-  testSymmetricFieldMatrix<long double,200>();
+ #endif // HAVE_LAPACK
+ 
+   testSymmetricFieldMatrix<double,2>();
+   testSymmetricFieldMatrix<double,3>();
+   testSymmetricFieldMatrix<float,2>();
+   testSymmetricFieldMatrix<float,3>();
+-  testSymmetricFieldMatrix<long double,2>();
+-  testSymmetricFieldMatrix<long double,3>();
+ 
+   checkMultiplicity<double>();
+   checkMultiplicity<float>();
+-  checkMultiplicity<long double>();
+ 
+   return 0;
+ }
-- 
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