From 39f1ff405917e760e9f680bfea6481ced3eab07c Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Thu, 6 Apr 2023 13:24:28 -0400
Subject: [PATCH] support trilinos and netcdf on M1

---
 deal.II-toolchain/packages/trilinos.package          | 6 ++++--
 deal.II-toolchain/platforms/supported/macos.platform | 9 +++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/deal.II-toolchain/packages/trilinos.package b/deal.II-toolchain/packages/trilinos.package
index aa9a4cb..81df78c 100644
--- a/deal.II-toolchain/packages/trilinos.package
+++ b/deal.II-toolchain/packages/trilinos.package
@@ -201,7 +201,10 @@ if [ ! -z "${SUPERLU_DIR}" ]; then
 fi
 
 # support netCDF and SEACAS (if netCDF is available)
-if [ ! -z "${NETCDF_DIR}" ]; then
+if [ -z "${TRILINOS_WITH_SEACAS}" ]; then
+    TRILINOS_WITH_SEACAS=ON
+fi
+if [ ${TRILINOS_WITH_SEACAS} = ON ] && [ ! -z "${NETCDF_DIR}" ]; then
     cecho ${INFO} "trilinos: configuration with netCDF and SEACAS"
 
     CONFOPTS="${CONFOPTS} \
@@ -227,7 +230,6 @@ CONFOPTS="\
   -D Trilinos_ENABLE_Ifpack:BOOL=ON \
   -D Trilinos_ENABLE_Ifpack2:BOOL=OFF \
   -D Trilinos_ENABLE_Tpetra:BOOL=ON \
-  -D   Tpetra_INST_INT_LONG_LONG:BOOL=ON \
   -D Trilinos_ENABLE_AztecOO:BOOL=ON \
   -D Trilinos_ENABLE_Sacado:BOOL=ON \
   -D Trilinos_ENABLE_Teuchos:BOOL=ON \
diff --git a/deal.II-toolchain/platforms/supported/macos.platform b/deal.II-toolchain/platforms/supported/macos.platform
index ac25c41..bbf12c5 100644
--- a/deal.II-toolchain/platforms/supported/macos.platform
+++ b/deal.II-toolchain/platforms/supported/macos.platform
@@ -46,3 +46,12 @@
 # you may change the security policy for developments. To do so,
 # enable Terminal in System Preferences / Security & Privacy / Developer Tools .
 ##
+
+if [ "$(machine)" = "arm64e" ]; then
+  cecho ${INFO} "MacOS on arm64 detected!"
+
+  # Trilinos will link with netcdf and indirectly hdf5, but linking fails. Just
+  # disable this for now.
+  TRILINOS_WITH_SEACAS=OFF
+
+fi
-- 
2.39.5