Add deal.II patch for HDF5 output on clusters

pkgs/dealii/PKGBUILD

@@ -4,7 +4,11 @@ pkgname=dealii
 pkgver=9.2.0
 archive=$pkgname-$pkgver.tar.gz
 sum=fff66749d7e7e8baf569e5da5a42f93e99424a86
-dstdir=$mkToolchainPkgs/$pkgname/$pkgver
+
+[[ -r $srcdir/$pkgname-$pkgver.patch ]] && \
+  suffix=-patch
+
+dstdir=$mkToolchainPkgs/$pkgname/$pkgver$suffix
 
 build() {
   download https://github.com/dealii/$pkgname/releases/download/v$pkgver/$archive
@@ -69,7 +73,7 @@ package() {
 
   if [[ "$mkTest" = "no" ]]; then
     install -vd $mkToolchainModules/$pkgname
-    cat > $mkToolchainModules/$pkgname/$pkgver.lua << EOF
+    cat > $mkToolchainModules/$pkgname/$pkgver$suffix.lua << EOF
 -- -*- lua -*-
 whatis("C++ software library supporting the creation of finite element")
 help([[

pkgs/dealii/dealii-9.2.0.patch

@@ -0,0 +1,13 @@
+diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
+index e35adfa..6a7cb5b 100644
+--- a/source/base/data_out_base.cc
++++ b/source/base/data_out_base.cc
+@@ -7504,7 +7504,7 @@ DataOutBase::write_hdf5_parallel(
+   AssertThrow(plist_id >= 0, ExcIO());
+ #  ifdef DEAL_II_WITH_MPI
+ #    ifdef H5_HAVE_PARALLEL
+-  status = H5Pset_dxpl_mpio(plist_id, H5FD_MPIO_COLLECTIVE);
++  status = H5Pset_dxpl_mpio(plist_id, H5FD_MPIO_INDEPENDENT);
+   AssertThrow(status >= 0, ExcIO());
+ #    endif
+ #  endif