From 247f1149e1035f6a9cd95620016364015c34807b Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Wed, 3 Nov 2021 13:24:30 -0400
Subject: FindHDF5: clear language-specific libraries list before discovery

---
 Modules/FindHDF5.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Modules/FindHDF5.cmake b/Modules/FindHDF5.cmake
index ce08728..bda392d 100644
--- a/Modules/FindHDF5.cmake
+++ b/Modules/FindHDF5.cmake
@@ -588,6 +588,9 @@ if(NOT HDF5_FOUND)
   set(HDF5_COMPILER_NO_INTERROGATE TRUE)
   # Only search for languages we've enabled
   foreach(_lang IN LISTS HDF5_LANGUAGE_BINDINGS)
+    set(HDF5_${_lang}_LIBRARIES)
+    set(HDF5_${_lang}_HL_LIBRARIES)
+
     # First check to see if our regular compiler is one of wrappers
     if(_lang STREQUAL "C")
       _HDF5_test_regular_compiler_C(
@@ -813,6 +816,9 @@ if( NOT HDF5_FOUND )
     endif()
 
     foreach(_lang IN LISTS HDF5_LANGUAGE_BINDINGS)
+        set(HDF5_${_lang}_LIBRARIES)
+        set(HDF5_${_lang}_HL_LIBRARIES)
+
         # The "main" library.
         set(_hdf5_main_library "")
 
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