Prefix remaining CMake options except for CMake BUILD* variables

.github/workflows/cmake-analysis.yml

@@ -195,7 +195,7 @@ jobs:
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SANITIZERS:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DUSE_SANITIZER:STRING=Leak")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_USE_SANITIZER:STRING=Leak")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=OFF")
@@ -295,7 +295,7 @@ jobs:
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SANITIZERS:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DUSE_SANITIZER:STRING=Address")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_USE_SANITIZER:STRING=Address")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=OFF")
@@ -395,7 +395,7 @@ jobs:
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SANITIZERS:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DUSE_SANITIZER:STRING=Undefined")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_USE_SANITIZER:STRING=Undefined")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF")
               set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=OFF")

.github/workflows/main-cmake-spc.yml

@@ -61,7 +61,7 @@ jobs:
             -DHDF5_ENABLE_DIRECT_VFD:BOOL=ON \
             -DHDF5_ENABLE_ROS3_VFD:BOOL=ON \
             -DH5_NO_DEPRECATED_SYMBOLS:BOOL=OFF \
-            -DDEFAULT_API_VERSION:STRING=v16 \
+            -DHDF5_DEFAULT_API_VERSION:STRING=v16 \
             $GITHUB_WORKSPACE
         shell: bash
 
@@ -121,7 +121,7 @@ jobs:
             -DHDF5_ENABLE_DIRECT_VFD:BOOL=ON \
             -DHDF5_ENABLE_ROS3_VFD:BOOL=ON \
             -DH5_NO_DEPRECATED_SYMBOLS:BOOL=OFF \
-            -DDEFAULT_API_VERSION:STRING=v18 \
+            -DHDF5_DEFAULT_API_VERSION:STRING=v18 \
             $GITHUB_WORKSPACE
         shell: bash
 
@@ -181,7 +181,7 @@ jobs:
             -DHDF5_ENABLE_DIRECT_VFD:BOOL=ON \
             -DHDF5_ENABLE_ROS3_VFD:BOOL=ON \
             -DH5_NO_DEPRECATED_SYMBOLS:BOOL=OFF \
-            -DDEFAULT_API_VERSION:STRING=v110 \
+            -DHDF5_DEFAULT_API_VERSION:STRING=v110 \
             $GITHUB_WORKSPACE
         shell: bash
 
@@ -241,7 +241,7 @@ jobs:
             -DHDF5_ENABLE_DIRECT_VFD:BOOL=ON \
             -DHDF5_ENABLE_ROS3_VFD:BOOL=ON \
             -DH5_NO_DEPRECATED_SYMBOLS:BOOL=OFF \
-            -DDEFAULT_API_VERSION:STRING=v112 \
+            -DHDF5_DEFAULT_API_VERSION:STRING=v112 \
             $GITHUB_WORKSPACE
         shell: bash
 
@@ -301,7 +301,7 @@ jobs:
             -DHDF5_ENABLE_DIRECT_VFD:BOOL=ON \
             -DHDF5_ENABLE_ROS3_VFD:BOOL=ON \
             -DH5_NO_DEPRECATED_SYMBOLS:BOOL=OFF \
-            -DDEFAULT_API_VERSION:STRING=v114 \
+            -DHDF5_DEFAULT_API_VERSION:STRING=v114 \
             $GITHUB_WORKSPACE
         shell: bash
 
@@ -361,7 +361,7 @@ jobs:
             -DHDF5_ENABLE_DIRECT_VFD:BOOL=ON \
             -DHDF5_ENABLE_ROS3_VFD:BOOL=ON \
             -DH5_NO_DEPRECATED_SYMBOLS:BOOL=OFF \
-            -DDEFAULT_API_VERSION:STRING=v116 \
+            -DHDF5_DEFAULT_API_VERSION:STRING=v116 \
             $GITHUB_WORKSPACE
         shell: bash
 

.github/workflows/vol_adios2.yml

@@ -42,7 +42,7 @@ jobs:
             -DHDF5_TEST_API_ENABLE_ASYNC:BOOL=ON \
             -DHDF5_ENABLE_PARALLEL:BOOL=ON \
             -DHDF5_ENABLE_THREADSAFE:BOOL=ON \
-            -DALLOW_UNSUPPORTED:BOOL=ON \
+            -DHDF5_ALLOW_UNSUPPORTED:BOOL=ON \
             -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF \
             ${{ github.workspace }}/hdf5
           cat src/libhdf5.settings

.github/workflows/vol_async.yml

@@ -54,7 +54,7 @@ jobs:
             -DHDF5_TEST_API_ENABLE_ASYNC:BOOL=ON \
             -DHDF5_ENABLE_PARALLEL:BOOL=ON \
             -DHDF5_ENABLE_THREADSAFE:BOOL=ON \
-            -DALLOW_UNSUPPORTED:BOOL=ON \
+            -DHDF5_ALLOW_UNSUPPORTED:BOOL=ON \
             -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF \
             -DHDF5_VOL_ALLOW_EXTERNAL:STRING="GIT" \
             -DHDF5_VOL_URL01:STRING="https://github.com/HDFGroup/vol-async.git" \

.github/workflows/vol_cache.yml

@@ -82,7 +82,7 @@ jobs:
             -DHDF5_TEST_API_ENABLE_ASYNC:BOOL=ON \
             -DHDF5_ENABLE_PARALLEL:BOOL=ON \
             -DHDF5_ENABLE_THREADSAFE:BOOL=ON \
-            -DALLOW_UNSUPPORTED:BOOL=ON \
+            -DHDF5_ALLOW_UNSUPPORTED:BOOL=ON \
             -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF \
             -DHDF5_VOL_ALLOW_EXTERNAL:STRING="GIT" \
             -DHDF5_VOL_URL01:STRING="https://github.com/HDFGroup/vol-async.git" \

.github/workflows/vol_log.yml

@@ -40,7 +40,7 @@ jobs:
             -DHDF5_TEST_API_ENABLE_ASYNC:BOOL=ON \
             -DHDF5_ENABLE_PARALLEL:BOOL=ON \
             -DHDF5_ENABLE_THREADSAFE:BOOL=ON \
-            -DALLOW_UNSUPPORTED:BOOL=ON \
+            -DHDF5_ALLOW_UNSUPPORTED:BOOL=ON \
             -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF \
             ${{ github.workspace }}/hdf5
           cat src/libhdf5.settings

.github/workflows/vol_rest.yml

@@ -56,7 +56,7 @@ jobs:
             -DBUILD_STATIC_LIBS=OFF \
             -DHDF5_BUILD_HL_LIB:BOOL=ON \
             -DHDF5_TEST_API:BOOL=ON \
-            -DALLOW_UNSUPPORTED:BOOL=ON \
+            -DHDF5_ALLOW_UNSUPPORTED:BOOL=ON \
             -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF \
             -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF \
             -DHDF5_VOL_ALLOW_EXTERNAL:STRING="GIT" \

CMakeLists.txt

@@ -147,8 +147,8 @@ if (HDF5_USE_FOLDERS)
 endif ()
 option (HDF5_NO_PACKAGES "CPACK - Disable packaging" OFF)
 mark_as_advanced (HDF5_NO_PACKAGES)
-option (ALLOW_UNSUPPORTED "Allow unsupported combinations of configure options" OFF)
-mark_as_advanced (ALLOW_UNSUPPORTED)
+option (HDF5_ALLOW_UNSUPPORTED "Allow unsupported combinations of configure options" OFF)
+mark_as_advanced (HDF5_ALLOW_UNSUPPORTED)
 
 #-----------------------------------------------------------------------------
 # Set the core names of all the libraries CORENAME is the base library name
@@ -519,8 +519,8 @@ endif ()
 #-----------------------------------------------------------------------------
 # Option to Build Shared and Static libs, default is both
 #-----------------------------------------------------------------------------
-option (ONLY_SHARED_LIBS "Only Build Shared Libraries" OFF)
-mark_as_advanced (ONLY_SHARED_LIBS)
+option (HDF5_ONLY_SHARED_LIBS "Only Build Shared Libraries" OFF)
+mark_as_advanced (HDF5_ONLY_SHARED_LIBS)
 option (BUILD_STATIC_LIBS "Build Static Libraries" ON)
 set (H5_ENABLE_STATIC_LIB NO)
 option (BUILD_SHARED_LIBS "Build Shared Libraries" ON)
@@ -530,11 +530,11 @@ option (HDF5_BUILD_STATIC_TOOLS "Build Static Tools NOT Shared Tools" OFF)
 
 # only shared libraries/tools is true if user forces static OFF
 if (NOT BUILD_STATIC_LIBS)
-  set (ONLY_SHARED_LIBS ON CACHE BOOL "Only Build Shared Libraries" FORCE)
+  set (HDF5_ONLY_SHARED_LIBS ON CACHE BOOL "Only Build Shared Libraries" FORCE)
 endif ()
 
 # only shared libraries is set ON by user then force settings
-if (ONLY_SHARED_LIBS)
+if (HDF5_ONLY_SHARED_LIBS)
   set (H5_ENABLE_STATIC_LIB NO)
   set (BUILD_SHARED_LIBS ON CACHE BOOL "Build Shared Libraries" FORCE)
   set (BUILD_STATIC_LIBS OFF CACHE BOOL "Build Static Libraries" FORCE)
@@ -858,64 +858,64 @@ if (HDF5_ENABLE_SUBFILING_VFD)
 endif()
 
 
-set (DEFAULT_API_VERSION "v118" CACHE STRING "Enable v1.16 API (v16, v18, v110, v112, v114, v116, v118)")
-set_property (CACHE DEFAULT_API_VERSION PROPERTY STRINGS v16 v18 v110 v112 v114 v116 v118)
+set (HDF5_DEFAULT_API_VERSION "v118" CACHE STRING "Enable v1.16 API (v16, v18, v110, v112, v114, v116, v118)")
+set_property (CACHE HDF5_DEFAULT_API_VERSION PROPERTY STRINGS v16 v18 v110 v112 v114 v116 v118)
 #-----------------------------------------------------------------------------
 # Option to use 1.6.x API
 #-----------------------------------------------------------------------------
 set (H5_USE_16_API_DEFAULT 0)
-if (DEFAULT_API_VERSION MATCHES "v16")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v16")
   set (H5_USE_16_API_DEFAULT 1)
 endif ()
 
 #-----------------------------------------------------------------------------
 # Option to use 1.8.x API
 #-----------------------------------------------------------------------------
 set (H5_USE_18_API_DEFAULT 0)
-if (DEFAULT_API_VERSION MATCHES "v18")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v18")
   set (H5_USE_18_API_DEFAULT 1)
 endif ()
 
 #-----------------------------------------------------------------------------
 # Option to use 1.10.x API
 #-----------------------------------------------------------------------------
 set (H5_USE_110_API_DEFAULT 0)
-if (DEFAULT_API_VERSION MATCHES "v110")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v110")
   set (H5_USE_110_API_DEFAULT 1)
 endif ()
 
 #-----------------------------------------------------------------------------
 # Option to use 1.12.x API
 #-----------------------------------------------------------------------------
 set (H5_USE_112_API_DEFAULT 0)
-if (DEFAULT_API_VERSION MATCHES "v112")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v112")
   set (H5_USE_112_API_DEFAULT 1)
 endif ()
 
 #-----------------------------------------------------------------------------
 # Option to use 1.14.x API
 #-----------------------------------------------------------------------------
 set (H5_USE_114_API_DEFAULT 0)
-if (DEFAULT_API_VERSION MATCHES "v114")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v114")
   set (H5_USE_114_API_DEFAULT 1)
 endif ()
 
 #-----------------------------------------------------------------------------
 # Option to use 1.16.x API
 #-----------------------------------------------------------------------------
 set (H5_USE_116_API_DEFAULT 0)
-if (DEFAULT_API_VERSION MATCHES "v116")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v116")
   set (H5_USE_116_API_DEFAULT 1)
 endif ()
 
 #-----------------------------------------------------------------------------
 # Option to use 1.18.x API
 #-----------------------------------------------------------------------------
-if (NOT DEFAULT_API_VERSION)
-  set (DEFAULT_API_VERSION "v118")
+if (NOT HDF5_DEFAULT_API_VERSION)
+  set (HDF5_DEFAULT_API_VERSION "v118")
 endif ()
 set (H5_USE_118_API_DEFAULT 0)
-if (DEFAULT_API_VERSION MATCHES "v118")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v118")
   set (H5_USE_118_API_DEFAULT 1)
 endif ()
 
@@ -956,29 +956,29 @@ if (HDF5_ENABLE_THREADSAFE)
     endif ()
   endif ()
   if (HDF_ENABLE_PARALLEL)
-    if (NOT ALLOW_UNSUPPORTED)
-      message (FATAL_ERROR " **** Parallel and thread-safety options are not supported, override with ALLOW_UNSUPPORTED option **** ")
+    if (NOT HDF5_ALLOW_UNSUPPORTED)
+      message (FATAL_ERROR " **** Parallel and thread-safety options are not supported, override with HDF5_ALLOW_UNSUPPORTED option **** ")
     else ()
       message (VERBOSE " **** Allowing unsupported parallel and thread-safety options **** ")
     endif ()
   endif ()
   if (HDF5_BUILD_FORTRAN)
-    if (NOT ALLOW_UNSUPPORTED)
-      message (FATAL_ERROR " **** Fortran and thread-safety options are not supported, override with ALLOW_UNSUPPORTED option **** ")
+    if (NOT HDF5_ALLOW_UNSUPPORTED)
+      message (FATAL_ERROR " **** Fortran and thread-safety options are not supported, override with HDF5_ALLOW_UNSUPPORTED option **** ")
     else ()
       message (VERBOSE " **** Allowing unsupported Fortran and thread-safety options **** ")
     endif ()
   endif ()
   if (HDF5_BUILD_CPP_LIB)
-    if (NOT ALLOW_UNSUPPORTED)
-      message (FATAL_ERROR " **** C++ and thread-safety options are not supported, override with ALLOW_UNSUPPORTED option **** ")
+    if (NOT HDF5_ALLOW_UNSUPPORTED)
+      message (FATAL_ERROR " **** C++ and thread-safety options are not supported, override with HDF5_ALLOW_UNSUPPORTED option **** ")
     else ()
       message (VERBOSE " **** Allowing unsupported C++ and thread-safety options **** ")
     endif ()
   endif ()
   if (HDF5_BUILD_HL_LIB)
-    if (NOT ALLOW_UNSUPPORTED)
-      message (FATAL_ERROR " **** HL and thread-safety options are not supported, override with ALLOW_UNSUPPORTED option **** ")
+    if (NOT HDF5_ALLOW_UNSUPPORTED)
+      message (FATAL_ERROR " **** HL and thread-safety options are not supported, override with HDF5_ALLOW_UNSUPPORTED option **** ")
     else ()
       message (VERBOSE " **** Allowing unsupported HL and thread-safety options **** ")
     endif ()
@@ -1093,7 +1093,7 @@ endif ()
 #-----------------------------------------------------------------------------
 # Include filter plugins
 #-----------------------------------------------------------------------------
-if (${H5_LIBVER_DIR} EQUAL 16 OR DEFAULT_API_VERSION MATCHES "v16")
+if (${H5_LIBVER_DIR} EQUAL 16 OR HDF5_DEFAULT_API_VERSION MATCHES "v16")
   set (HDF5_ENABLE_PLUGIN_SUPPORT OFF CACHE BOOL "" FORCE)
   message (VERBOSE "Filter PLUGINs cannot be used with 1.6 API")
 else ()
@@ -1186,8 +1186,8 @@ if (EXISTS "${HDF5_SOURCE_DIR}/c++" AND IS_DIRECTORY "${HDF5_SOURCE_DIR}/c++")
   if (HDF5_BUILD_CPP_LIB)
     # check for unsupported options
     if (HDF5_ENABLE_PARALLEL)
-      if (NOT ALLOW_UNSUPPORTED)
-        message (FATAL_ERROR " **** Parallel and C++ options are mutually exclusive, override with ALLOW_UNSUPPORTED option **** ")
+      if (NOT HDF5_ALLOW_UNSUPPORTED)
+        message (FATAL_ERROR " **** Parallel and C++ options are mutually exclusive, override with HDF5_ALLOW_UNSUPPORTED option **** ")
       else ()
         message (VERBOSE " **** Allowing unsupported Parallel and C++ options **** ")
       endif ()
@@ -1229,7 +1229,7 @@ configure_file (${HDF_RESOURCES_DIR}/H5pubconf.h.in ${HDF5_SRC_BINARY_DIR}/H5pub
 #-----------------------------------------------------------------------------
 if (EXISTS "${HDF5_SOURCE_DIR}/HDF5Examples" AND IS_DIRECTORY "${HDF5_SOURCE_DIR}/HDF5Examples")
   option (HDF5_BUILD_EXAMPLES  "Build HDF5 Library Examples" ON)
-  if (HDF5_BUILD_EXAMPLES AND NOT USE_SANITIZER)
+  if (HDF5_BUILD_EXAMPLES AND NOT HDF5_USE_SANITIZER)
     include (${HDF_RESOURCES_DIR}/HDF5ExampleCache.cmake)
     set (HDF5_VERSION ${HDF5_PACKAGE_VERSION})
     add_subdirectory (HDF5Examples)

config/cmake-presets/hidden-presets.json

@@ -269,7 +269,7 @@
       "hidden": true,
       "inherits": "ci-x64-Debug-MSVC",
       "cacheVariables": {
-        "USE_SANITIZER": "Address",
+        "HDF5_USE_SANITIZER": "Address",
         "HDF5_ENABLE_SANITIZERS": "ON"
       }
     },
@@ -278,7 +278,7 @@
       "hidden": true,
       "inherits": "ci-x64-Debug-GNUC",
       "cacheVariables": {
-        "USE_SANITIZER": "Address",
+        "HDF5_USE_SANITIZER": "Address",
         "HDF5_ENABLE_SANITIZERS": "ON"
       }
     },
@@ -287,7 +287,7 @@
       "hidden": true,
       "inherits": "ci-x64-Debug-GNUC",
       "cacheVariables": {
-        "USE_SANITIZER": "Thread",
+        "HDF5_USE_SANITIZER": "Thread",
         "HDF5_ENABLE_SANITIZERS": "ON"
       }
     },
@@ -296,7 +296,7 @@
       "hidden": true,
       "inherits": "ci-x64-Debug-GNUC",
       "cacheVariables": {
-        "USE_SANITIZER": "Leak",
+        "HDF5_USE_SANITIZER": "Leak",
         "HDF5_ENABLE_SANITIZERS": "ON"
       }
     },
@@ -305,7 +305,7 @@
       "hidden": true,
       "inherits": "ci-x64-Debug-GNUC",
       "cacheVariables": {
-        "USE_SANITIZER": "Undefined",
+        "HDF5_USE_SANITIZER": "Undefined",
         "HDF5_ENABLE_SANITIZERS": "ON"
       }
     }

config/cmake/HDF5ExampleCache.cmake

@@ -26,22 +26,22 @@ set (EXAMPLES_EXTERNALLY_CONFIGURED ON CACHE BOOL "Examples build is used in ano
 set (EXAMPLE_VARNAME "H5")
 set (H5EX_RESOURCES_DIR ${HDF_RESOURCES_DIR})
 message (STATUS "HDF5 Example H5EX_RESOURCES_DIR: ${H5EX_RESOURCES_DIR}")
-if (DEFAULT_API_VERSION MATCHES "v16")
+if (HDF5_DEFAULT_API_VERSION MATCHES "v16")
   set (H5_USE_16_API ON)
-elseif (DEFAULT_API_VERSION MATCHES "v18")
+elseif (HDF5_DEFAULT_API_VERSION MATCHES "v18")
   set (H5_USE_18_API ON)
-elseif (DEFAULT_API_VERSION MATCHES "v110")
+elseif (HDF5_DEFAULT_API_VERSION MATCHES "v110")
   set (H5_USE_110_API ON)
-elseif (DEFAULT_API_VERSION MATCHES "v112")
+elseif (HDF5_DEFAULT_API_VERSION MATCHES "v112")
   set (H5_USE_112_API ON)
-elseif (DEFAULT_API_VERSION MATCHES "v114")
+elseif (HDF5_DEFAULT_API_VERSION MATCHES "v114")
   set (H5_USE_114_API ON)
-elseif (DEFAULT_API_VERSION MATCHES "v116")
+elseif (HDF5_DEFAULT_API_VERSION MATCHES "v116")
   set (H5_USE_116_API ON)
-elseif (DEFAULT_API_VERSION MATCHES "v118")
+elseif (HDF5_DEFAULT_API_VERSION MATCHES "v118")
   set (H5_USE_118_API ON)
 endif ()
-message (STATUS "HDF5 H5_LIBVER_DIR: ${H5_LIBVER_DIR} HDF5_API_VERSION: ${DEFAULT_API_VERSION}")
+message (STATUS "HDF5 H5_LIBVER_DIR: ${H5_LIBVER_DIR} HDF5_API_VERSION: ${HDF5_DEFAULT_API_VERSION}")
 
 if (NOT BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
   set (USE_SHARED_LIBS OFF CACHE BOOL "Use Shared Libraries for Examples" FORCE)