From 9c74eda61f2b2848d6b24e8ce7d142746a6ee300 Mon Sep 17 00:00:00 2001
From: "H. Joe Lee" <hyoklee@hdfgroup.org>
Date: Mon, 13 Nov 2023 12:18:02 -0600
Subject: hdf5: add a new variant for enabling sub-filing VFD (#40804)

---
 var/spack/repos/builtin/packages/hdf5/package.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'var')

diff --git a/var/spack/repos/builtin/packages/hdf5/package.py b/var/spack/repos/builtin/packages/hdf5/package.py
index a9e0574877..ffd91d3028 100644
--- a/var/spack/repos/builtin/packages/hdf5/package.py
+++ b/var/spack/repos/builtin/packages/hdf5/package.py
@@ -207,6 +207,7 @@ class Hdf5(CMakePackage):
     variant("hl", default=False, description="Enable the high-level library")
     variant("cxx", default=False, description="Enable C++ support")
     variant("map", when="@1.14:", default=False, description="Enable MAP API support")
+    variant("subfiling", when="@1.14:", default=False, description="Enable Subfiling VFD support")
     variant("fortran", default=False, description="Enable Fortran support")
     variant("java", when="@1.10:", default=False, description="Enable Java support")
     variant("threadsafe", default=False, description="Enable thread-safe capabilities")
@@ -329,7 +330,7 @@ class Hdf5(CMakePackage):
 
     patch("fortran-kinds.patch", when="@1.10.7")
 
-    # This patch may only be needed with GCC11.2 on macOS, but it's valid for
+    # This patch may only be needed with GCC 11.2 on macOS, but it's valid for
     # any of the head HDF5 versions as of 12/2021. Since it's impossible to
     # tell what Fortran version is part of a mixed apple-clang toolchain on
     # macOS (which is the norm), and this might be an issue for other compilers
@@ -607,6 +608,7 @@ class Hdf5(CMakePackage):
                 # are enabled but the tests are disabled.
                 spec.satisfies("@1.8.22+shared+tools"),
             ),
+            self.define_from_variant("HDF5_ENABLE_SUBFILING_VFD", "subfiling"),
             self.define_from_variant("HDF5_ENABLE_MAP_API", "map"),
             self.define("HDF5_ENABLE_Z_LIB_SUPPORT", True),
             self.define_from_variant("HDF5_ENABLE_SZIP_SUPPORT", "szip"),
-- 
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