From 6b86a8562f464ff100165ad8f7416a63341d0fe7 Mon Sep 17 00:00:00 2001
From: kwryankrattiger <80296582+kwryankrattiger@users.noreply.github.com>
Date: Mon, 31 Oct 2022 21:58:02 -0500
Subject: [PATCH] ParaView: ParaView needs to set the HDF5 API (#33617)

When building ParaView with a newer HDf5 than 1.10, it needs to select the 1.10 API using flags.
---
 var/spack/repos/builtin/packages/paraview/package.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/var/spack/repos/builtin/packages/paraview/package.py b/var/spack/repos/builtin/packages/paraview/package.py
index 0ed725dc6ab..8dd0049e055 100644
--- a/var/spack/repos/builtin/packages/paraview/package.py
+++ b/var/spack/repos/builtin/packages/paraview/package.py
@@ -311,6 +311,15 @@ def flag_handler(self, name, flags):
         if (name == "cflags" or name == "cxxflags") and self.spec.satisfies("%intel"):
             flags.append("-no-ipo")
             return (None, None, flags)
+
+        if name in ("cflags", "cxxflags"):
+            # Constrain the HDF5 API
+            if self.spec.satisfies("@:5.9 +hdf5"):
+                if self.spec["hdf5"].satisfies("@1.10:"):
+                    flags.append("-DH5_USE_18_API")
+            elif self.spec.satisfies("@5.10: +hdf5"):
+                if self.spec["hdf5"].satisfies("@1.12:"):
+                    flags.append("-DH5_USE_110_API")
         return (flags, None, None)
 
     def setup_run_environment(self, env):