From 175beadd4c3ba6b3e3a2f266a6643f217d39e32e Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Tue, 1 Dec 2020 15:31:47 -0500
Subject: FindHDF5: support the hdf5hl_fortran-based variable names

Fixes: #21537
---
 Modules/FindHDF5.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Modules/FindHDF5.cmake b/Modules/FindHDF5.cmake
index 3c486ce..0c1e93b 100644
--- a/Modules/FindHDF5.cmake
+++ b/Modules/FindHDF5.cmake
@@ -1057,12 +1057,14 @@ if (HDF5_FOUND)
       continue ()
     endif ()
 
+    set(hdf5_alt_target_name "")
     if (hdf5_lang STREQUAL "C")
       set(hdf5_target_name "hdf5_hl")
     elseif (hdf5_lang STREQUAL "CXX")
       set(hdf5_target_name "hdf5_hl_cpp")
     elseif (hdf5_lang STREQUAL "Fortran")
       set(hdf5_target_name "hdf5_hl_fortran")
+      set(hdf5_alt_target_name "hdf5hl_fortran")
     else ()
       continue ()
     endif ()
@@ -1081,6 +1083,8 @@ if (HDF5_FOUND)
           set(_hdf5_location "${HDF5_${hdf5_lang}_HL_LIBRARY}")
         elseif (DEFINED "HDF5_${hdf5_lang}_LIBRARY_${hdf5_target_name}")
           set(_hdf5_location "${HDF5_${hdf5_lang}_LIBRARY_${hdf5_target_name}}")
+        elseif (hdf5_alt_target_name AND DEFINED "HDF5_${hdf5_lang}_LIBRARY_${hdf5_alt_target_name}")
+          set(_hdf5_location "${HDF5_${hdf5_lang}_LIBRARY_${hdf5_alt_target_name}}")
         else ()
           # Error if we still don't have the location.
           message(SEND_ERROR
-- 
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