Merge remote-tracking branch 'origin/hdf5_1_12_1' into 1.12/master forhdf5-1_12_1

HDF5 1.12.1 release.

11 files changed, 187 insertions, 266 deletions

diff --git a/config/cmake_ext_mod/ConfigureChecks.cmake b/config/cmake_ext_mod/ConfigureChecks.cmake
index 52cb7dd..004aded 100644
--- a/config/cmake_ext_mod/ConfigureChecks.cmake
+++ b/config/cmake_ext_mod/ConfigureChecks.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -20,21 +20,7 @@ include (CheckSymbolExists)
 include (CheckTypeSize)
 include (CheckVariableExists)
 include (TestBigEndian)
-
-#-----------------------------------------------------------------------------
-# APPLE/Darwin setup
-#-----------------------------------------------------------------------------
-if (APPLE)
-  list (LENGTH CMAKE_OSX_ARCHITECTURES ARCH_LENGTH)
-  if (ARCH_LENGTH GREATER 1)
-    set (CMAKE_OSX_ARCHITECTURES "" CACHE STRING "" FORCE)
-    message (FATAL_ERROR "Building Universal Binaries on OS X is NOT supported by the HDF5 project. This is"
-    "due to technical reasons. The best approach would be build each architecture in separate directories"
-    "and use the 'lipo' tool to combine them into a single executable or library. The 'CMAKE_OSX_ARCHITECTURES'"
-    "variable has been set to a blank value which will build the default architecture for this system.")
-  endif ()
-  set (${HDF_PREFIX}_AC_APPLE_UNIVERSAL_BUILD 0)
-endif ()
+include (CheckStructHasMember)
 
 # Check for Darwin (not just Apple - we also want to catch OpenDarwin)
 if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
@@ -68,6 +54,7 @@ if (MINGW)
   set (WINDOWS 1) # MinGW tries to imitate Windows
   set (CMAKE_REQUIRED_FLAGS "-DWIN32_LEAN_AND_MEAN=1 -DNOGDI=1")
   set (${HDF_PREFIX}_HAVE_WINSOCK2_H 1)
+  set (__USE_MINGW_ANSI_STDIO 1)
 endif ()
 
 if (WIN32 AND NOT MINGW)
@@ -136,15 +123,11 @@ CHECK_INCLUDE_FILE_CONCAT ("stddef.h"        ${HDF_PREFIX}_HAVE_STDDEF_H)
 CHECK_INCLUDE_FILE_CONCAT ("stdint.h"        ${HDF_PREFIX}_HAVE_STDINT_H)
 CHECK_INCLUDE_FILE_CONCAT ("unistd.h"        ${HDF_PREFIX}_HAVE_UNISTD_H)
 
-# Darwin
-CHECK_INCLUDE_FILE_CONCAT ("mach/mach_time.h" ${HDF_PREFIX}_HAVE_MACH_MACH_TIME_H)
-
 # Windows
 CHECK_INCLUDE_FILE_CONCAT ("io.h"            ${HDF_PREFIX}_HAVE_IO_H)
 if (NOT CYGWIN)
   CHECK_INCLUDE_FILE_CONCAT ("winsock2.h"      ${HDF_PREFIX}_HAVE_WINSOCK2_H)
 endif ()
-CHECK_INCLUDE_FILE_CONCAT ("sys/timeb.h"     ${HDF_PREFIX}_HAVE_SYS_TIMEB_H)
 
 if (CMAKE_SYSTEM_NAME MATCHES "OSF")
   CHECK_INCLUDE_FILE_CONCAT ("sys/sysinfo.h" ${HDF_PREFIX}_HAVE_SYS_SYSINFO_H)
@@ -165,6 +148,8 @@ CHECK_INCLUDE_FILE_CONCAT ("memory.h"        ${HDF_PREFIX}_HAVE_MEMORY_H)
 CHECK_INCLUDE_FILE_CONCAT ("dlfcn.h"         ${HDF_PREFIX}_HAVE_DLFCN_H)
 CHECK_INCLUDE_FILE_CONCAT ("inttypes.h"      ${HDF_PREFIX}_HAVE_INTTYPES_H)
 CHECK_INCLUDE_FILE_CONCAT ("netinet/in.h"    ${HDF_PREFIX}_HAVE_NETINET_IN_H)
+CHECK_INCLUDE_FILE_CONCAT ("netdb.h"         ${HDF_PREFIX}_HAVE_NETDB_H)
+CHECK_INCLUDE_FILE_CONCAT ("arpa/inet.h"     ${HDF_PREFIX}_HAVE_ARPA_INET_H)
 # _Bool type support
 CHECK_INCLUDE_FILE_CONCAT (stdbool.h    ${HDF_PREFIX}_HAVE_STDBOOL_H)
 
@@ -224,7 +209,9 @@ macro (HDF_FUNCTION_TEST OTHER_TEST)
       )
     endif ()
 
-    #message (STATUS "Performing ${OTHER_TEST}")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (TRACE "Performing ${OTHER_TEST}")
+    endif ()
     try_compile (${OTHER_TEST}
         ${CMAKE_BINARY_DIR}
         ${HDF_RESOURCES_EXT_DIR}/HDFTests.c
@@ -234,9 +221,13 @@ macro (HDF_FUNCTION_TEST OTHER_TEST)
     )
     if (${OTHER_TEST})
       set (${HDF_PREFIX}_${OTHER_TEST} 1 CACHE INTERNAL "Other test ${FUNCTION}")
-      message (STATUS "Performing Other Test ${OTHER_TEST} - Success")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Performing Other Test ${OTHER_TEST} - Success")
+      endif ()
     else ()
-      message (STATUS "Performing Other Test ${OTHER_TEST} - Failed")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Performing Other Test ${OTHER_TEST} - Failed")
+      endif ()
       set (${HDF_PREFIX}_${OTHER_TEST} "" CACHE INTERNAL "Other test ${FUNCTION}")
       file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
           "Performing Other Test ${OTHER_TEST} failed with the following output:\n"
@@ -273,11 +264,11 @@ if (MINGW OR NOT WINDOWS)
   # systems.
   # POSIX feature information can be found in the gcc manual at:
   # http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
-  set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200112L)
+  set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200809L)
 
   # Need to add this so that O_DIRECT is visible for the direct
   # VFD on Linux systems.
-  set (HDF_EXTRA_C_FLAGS -D_GNU_SOURCE)
+  set (HDF_EXTRA_C_FLAGS ${HDF_EXTRA_C_FLAGS} -D_GNU_SOURCE)
 
   option (HDF_ENABLE_LARGE_FILE "Enable support for large (64-bit) files on Linux." ON)
   if (HDF_ENABLE_LARGE_FILE AND NOT DEFINED TEST_LFS_WORKS_RUN)
@@ -297,17 +288,23 @@ if (MINGW OR NOT WINDOWS)
         set (TEST_LFS_WORKS 1 CACHE INTERNAL ${msg})
         set (LARGEFILE 1)
         set (HDF_EXTRA_FLAGS ${HDF_EXTRA_FLAGS} -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE)
-        message (STATUS "${msg}... yes")
+        if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+          message (VERBOSE "${msg}... yes")
+        endif ()
       else ()
         set (TEST_LFS_WORKS "" CACHE INTERNAL ${msg})
-        message (STATUS "${msg}... no")
+        if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+          message (VERBOSE "${msg}... no")
+        endif ()
         file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
               "Test TEST_LFS_WORKS Run failed with the following exit code:\n ${TEST_LFS_WORKS_RUN}\n"
         )
       endif ()
     else ()
       set (TEST_LFS_WORKS "" CACHE INTERNAL ${msg})
-      message (STATUS "${msg}... no")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+          message (VERBOSE "${msg}... no")
+      endif ()
       file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
           "Test TEST_LFS_WORKS Compile failed\n"
       )
@@ -328,7 +325,7 @@ if (MINGW OR NOT WINDOWS)
 
   CHECK_FUNCTION_EXISTS (fseeko               ${HDF_PREFIX}_HAVE_FSEEKO)
 
-  HDF_FUNCTION_TEST (HAVE_STAT64_STRUCT)
+  CHECK_STRUCT_HAS_MEMBER("struct stat64" st_blocks "sys/types.h;sys/stat.h" HAVE_STAT64_STRUCT)
   if (HAVE_STAT64_STRUCT)
     CHECK_FUNCTION_EXISTS (stat64             ${HDF_PREFIX}_HAVE_STAT64)
   endif ()
@@ -340,11 +337,15 @@ endif ()
 macro (HDF_CHECK_TYPE_SIZE type var)
   set (aType ${type})
   set (aVar  ${var})
-#  message (STATUS "Checking size of ${aType} and storing into ${aVar}")
+  if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+    message (TRACE "Checking size of ${aType} and storing into ${aVar}")
+  endif ()
   CHECK_TYPE_SIZE (${aType}   ${aVar})
   if (NOT ${aVar})
     set (${aVar} 0 CACHE INTERNAL "SizeOf for ${aType}")
-#    message (STATUS "Size of ${aType} was NOT Found")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (TRACE "Size of ${aType} was NOT Found")
+    endif ()
   endif ()
 endmacro ()
 
@@ -438,14 +439,18 @@ if (MINGW OR NOT WINDOWS)
   #-----------------------------------------------------------------------------
   # Check a bunch of time functions
   #-----------------------------------------------------------------------------
+  CHECK_STRUCT_HAS_MEMBER("struct tm" tm_gmtoff "time.h" ${HDF_PREFIX}_HAVE_TM_GMTOFF)
+  CHECK_STRUCT_HAS_MEMBER("struct tm" __tm_gmtoff "time.h" ${HDF_PREFIX}_HAVE___TM_GMTOFF)
+  CHECK_STRUCT_HAS_MEMBER("struct tm" tm_sec "sys/types.h;sys/time.h;time.h" ${HDF_PREFIX}_TIME_WITH_SYS_TIME)
+  if (${HDF_PREFIX}_HAVE_SYS_TIME_H)
+    CHECK_STRUCT_HAS_MEMBER("struct tm" tz_minuteswest "sys/types.h;sys/time.h;time.h" ${HDF_PREFIX}_HAVE_STRUCT_TIMEZONE)
+  else ()
+    CHECK_STRUCT_HAS_MEMBER("struct tm" tz_minuteswest "sys/types.h;time.h" ${HDF_PREFIX}_HAVE_STRUCT_TIMEZONE)
+  endif ()
   CHECK_FUNCTION_EXISTS (gettimeofday      ${HDF_PREFIX}_HAVE_GETTIMEOFDAY)
   foreach (time_test
-      HAVE_TM_GMTOFF
-      HAVE___TM_GMTOFF
 #      HAVE_TIMEZONE
-      HAVE_STRUCT_TIMEZONE
       GETTIMEOFDAY_GIVES_TZ
-      TIME_WITH_SYS_TIME
       HAVE_TM_ZONE
       HAVE_STRUCT_TM_TM_ZONE
   )
@@ -453,20 +458,19 @@ if (MINGW OR NOT WINDOWS)
   endforeach ()
   if (NOT CYGWIN AND NOT MINGW)
       HDF_FUNCTION_TEST (HAVE_TIMEZONE)
-#      HDF_FUNCTION_TEST (HAVE_STAT_ST_BLOCKS)
   endif ()
 
   # ----------------------------------------------------------------------
   # Does the struct stat have the st_blocks field?  This field is not Posix.
   #
-  HDF_FUNCTION_TEST (HAVE_STAT_ST_BLOCKS)
+  CHECK_STRUCT_HAS_MEMBER("struct stat" st_blocks "sys/types.h;sys/stat.h" ${HDF_PREFIX}_HAVE_STAT_ST_BLOCKS)
 
   # ----------------------------------------------------------------------
   # How do we figure out the width of a tty in characters?
   #
   CHECK_FUNCTION_EXISTS (ioctl             ${HDF_PREFIX}_HAVE_IOCTL)
-  HDF_FUNCTION_TEST (HAVE_STRUCT_VIDEOCONFIG)
-  HDF_FUNCTION_TEST (HAVE_STRUCT_TEXT_INFO)
+  CHECK_STRUCT_HAS_MEMBER ("struct videoconfig" numtextcols "" ${HDF_PREFIX}_HAVE_STRUCT_VIDEOCONFIG)
+  CHECK_STRUCT_HAS_MEMBER ("struct text_info" screenwidth "" ${HDF_PREFIX}_HAVE_STRUCT_TEXT_INFO)
   CHECK_FUNCTION_EXISTS (_getvideoconfig   ${HDF_PREFIX}_HAVE__GETVIDEOCONFIG)
   CHECK_FUNCTION_EXISTS (gettextinfo       ${HDF_PREFIX}_HAVE_GETTEXTINFO)
   CHECK_FUNCTION_EXISTS (_scrsize          ${HDF_PREFIX}_HAVE__SCRSIZE)
@@ -571,7 +575,9 @@ endif ()
 #-----------------------------------------------------------------------------
 if (WINDOWS)
   if (NOT HDF_NO_IOEO_TEST)
-  message (STATUS "Checking for InitOnceExecuteOnce:")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (VERBOSE "Checking for InitOnceExecuteOnce:")
+    endif ()
   if (NOT DEFINED ${HDF_PREFIX}_HAVE_IOEO)
     if (LARGEFILE)
       set (CMAKE_REQUIRED_DEFINITIONS
@@ -600,7 +606,9 @@ if (WINDOWS)
     # if the return value was 0 then it worked
     if ("${HAVE_IOEO_EXITCODE}" EQUAL 0)
       set (${HDF_PREFIX}_HAVE_IOEO 1 CACHE INTERNAL "Test InitOnceExecuteOnce")
-      message (STATUS "Performing Test InitOnceExecuteOnce - Success")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Performing Test InitOnceExecuteOnce - Success")
+      endif ()
       file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
         "Performing C SOURCE FILE Test InitOnceExecuteOnce succeded with the following output:\n"
         "${OUTPUT}\n"
@@ -612,7 +620,9 @@ if (WINDOWS)
         set (${HDF_PREFIX}_HAVE_IOEO "" CACHE INTERNAL "Test InitOnceExecuteOnce")
       endif ()
 
-      message (STATUS "Performing Test InitOnceExecuteOnce - Failed")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Performing Test InitOnceExecuteOnce - Failed")
+      endif ()
       file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
         "Performing InitOnceExecuteOnce Test  failed with the following output:\n"
         "${OUTPUT}\n"
@@ -635,7 +645,9 @@ endforeach ()
 #-----------------------------------------------------------------------------
 if (NOT ${HDF_PREFIX}_PRINTF_LL_WIDTH OR ${HDF_PREFIX}_PRINTF_LL_WIDTH MATCHES "unknown")
   set (PRINT_LL_FOUND 0)
-  message (STATUS "Checking for appropriate format for 64 bit long:")
+  if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+    message (VERBOSE "Checking for appropriate format for 64 bit long:")
+  endif ()
   set (CURRENT_TEST_DEFINITIONS "-DPRINTF_LL_WIDTH")
   if (${HDF_PREFIX}_SIZEOF_LONG_LONG)
     set (CURRENT_TEST_DEFINITIONS "${CURRENT_TEST_DEFINITIONS} -DHAVE_LONG_LONG")
@@ -652,7 +664,9 @@ if (NOT ${HDF_PREFIX}_PRINTF_LL_WIDTH OR ${HDF_PREFIX}_PRINTF_LL_WIDTH MATCHES "
       set (${HDF_PREFIX}_PRINTF_LL_WIDTH "\"${${HDF_PREFIX}_PRINTF_LL}\"" CACHE INTERNAL "Width for printf for type `long long' or `__int64', us. `ll")
       set (PRINT_LL_FOUND 1)
     else ()
-      message (STATUS "Width test failed with result: ${${HDF_PREFIX}_PRINTF_LL_TEST_RUN}")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Width test failed with result: ${${HDF_PREFIX}_PRINTF_LL_TEST_RUN}")
+      endif ()
     endif ()
   else ()
     file (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
@@ -661,9 +675,13 @@ if (NOT ${HDF_PREFIX}_PRINTF_LL_WIDTH OR ${HDF_PREFIX}_PRINTF_LL_WIDTH MATCHES "
   endif ()
 
   if (PRINT_LL_FOUND)
-    message (STATUS "Checking for appropriate format for 64 bit long: found ${${HDF_PREFIX}_PRINTF_LL_WIDTH}")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (VERBOSE "Checking for appropriate format for 64 bit long: found ${${HDF_PREFIX}_PRINTF_LL_WIDTH}")
+    endif ()
   else ()
-    message (STATUS "Checking for appropriate format for 64 bit long: not found")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (VERBOSE "Checking for appropriate format for 64 bit long: not found")
+    endif ()
     set (${HDF_PREFIX}_PRINTF_LL_WIDTH "\"unknown\"" CACHE INTERNAL
         "Width for printf for type `long long' or `__int64', us. `ll"
     )
diff --git a/config/cmake_ext_mod/FindSZIP.cmake b/config/cmake_ext_mod/FindSZIP.cmake
index 8f882b4..846a3d1 100644
--- a/config/cmake_ext_mod/FindSZIP.cmake
+++ b/config/cmake_ext_mod/FindSZIP.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -118,7 +118,9 @@ if (NOT SZIP_FOUND)
       "SZip was not found. Make sure SZIP_LIBRARY and SZIP_INCLUDE_DIR are set or set the SZIP_INSTALL environment variable."
   )
   if (NOT SZIP_FIND_QUIETLY)
-    message (STATUS "${SZIP_DIR_MESSAGE}")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (VERBOSE "${SZIP_DIR_MESSAGE}")
+    endif ()
   else ()
     if (SZIP_FIND_REQUIRED)
       message (FATAL_ERROR "SZip was NOT found and is Required by this project")
diff --git a/config/cmake_ext_mod/GetTimeOfDayTest.cpp b/config/cmake_ext_mod/GetTimeOfDayTest.cpp
index 5fd7c04..b35efa5 100644
--- a/config/cmake_ext_mod/GetTimeOfDayTest.cpp
+++ b/config/cmake_ext_mod/GetTimeOfDayTest.cpp
@@ -5,7 +5,7 @@
  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
  * terms governing use, modification, and redistribution, is contained in    *
  * the COPYING file, which can be found at the root of the source code       *
- * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
+ * distribution tree, or in https://www.hdfgroup.org/licenses.               *
  * If you do not have access to either file, you may request a copy from     *
  * help@hdfgroup.org.                                                        *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
diff --git a/config/cmake_ext_mod/HDFCXXTests.cpp b/config/cmake_ext_mod/HDFCXXTests.cpp
index 1b98092..08ccb34 100644
--- a/config/cmake_ext_mod/HDFCXXTests.cpp
+++ b/config/cmake_ext_mod/HDFCXXTests.cpp
@@ -5,67 +5,11 @@
  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
  * terms governing use, modification, and redistribution, is contained in    *
  * the COPYING file, which can be found at the root of the source code       *
- * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
+ * distribution tree, or in https://www.hdfgroup.org/licenses.               *
  * If you do not have access to either file, you may request a copy from     *
  * help@hdfgroup.org.                                                        *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
-#ifdef OLD_HEADER_FILENAME
-
-#include <iostream>
-
-int main(void) { return 0; }
-
-#endif
-
-
-#ifdef HDF_NO_NAMESPACE
-
-namespace HDF {
-int fnord;
-}
-
-int main(void) {
-   using namespace HDF;
-   fnord = 37;
-   return 0;
-}
-
-#endif
-
-#ifdef HDF_NO_STD
-
-#include <string>
-
-using namespace std;
-
-int main(void) {
-   string myString("testing namespace std");
-   return 0;
-}
-
-#endif
-
-#ifdef BOOL_NOTDEFINED
-int main(void) {
-   bool flag;
-   return 0;
-}
-
-#endif
-
-#ifdef NO_STATIC_CAST
-
-int main(void) {
-   float test_float;
-   int test_int;
-   test_float = 37.0;
-   test_int = static_cast <int> (test_float);
-   return 0;
-}
-
-#endif
-
 #ifdef CXX_HAVE_OFFSETOF
 
 #include <stdio.h>
diff --git a/config/cmake_ext_mod/HDFLibMacros.cmake b/config/cmake_ext_mod/HDFLibMacros.cmake
index 9df2b4b..821ac2d 100644
--- a/config/cmake_ext_mod/HDFLibMacros.cmake
+++ b/config/cmake_ext_mod/HDFLibMacros.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -20,7 +20,7 @@ macro (EXTERNAL_JPEG_LIBRARY compress_type jpeg_pic)
         GIT_TAG ${JPEG_BRANCH}
         INSTALL_COMMAND ""
         CMAKE_ARGS
-            -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
+            -DBUILD_SHARED_LIBS:BOOL=OFF
             -DJPEG_PACKAGE_EXT:STRING=${HDF_PACKAGE_EXT}
             -DJPEG_EXTERNALLY_CONFIGURED:BOOL=OFF
             -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
@@ -39,7 +39,7 @@ macro (EXTERNAL_JPEG_LIBRARY compress_type jpeg_pic)
         URL_MD5 ""
         INSTALL_COMMAND ""
         CMAKE_ARGS
-            -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
+            -DBUILD_SHARED_LIBS:BOOL=OFF
             -DJPEG_PACKAGE_EXT:STRING=${HDF_PACKAGE_EXT}
             -DJPEG_EXTERNALLY_CONFIGURED:BOOL=OFF
             -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
@@ -62,14 +62,6 @@ macro (EXTERNAL_JPEG_LIBRARY compress_type jpeg_pic)
   add_dependencies (${HDF_PACKAGE_NAMESPACE}jpeg-static JPEG)
   set (JPEG_STATIC_LIBRARY "${HDF_PACKAGE_NAMESPACE}jpeg-static")
   set (JPEG_LIBRARIES ${JPEG_STATIC_LIBRARY})
-  if (BUILD_SHARED_LIBS)
-    # Create imported target jpeg-shared
-    add_library(${HDF_PACKAGE_NAMESPACE}jpeg-shared SHARED IMPORTED)
-    HDF_IMPORT_SET_LIB_OPTIONS (${HDF_PACKAGE_NAMESPACE}jpeg-shared "jpeg" SHARED "")
-    add_dependencies (${HDF_PACKAGE_NAMESPACE}jpeg-shared JPEG)
-    set (JPEG_SHARED_LIBRARY "${HDF_PACKAGE_NAMESPACE}jpeg-shared")
-    set (JPEG_LIBRARIES ${JPEG_LIBRARIES} ${JPEG_SHARED_LIBRARY})
-  endif ()
 
   set (JPEG_INCLUDE_DIR_GEN "${BINARY_DIR}")
   set (JPEG_INCLUDE_DIR "${SOURCE_DIR}/src")
@@ -97,7 +89,7 @@ macro (EXTERNAL_SZIP_LIBRARY compress_type encoding)
         GIT_TAG ${SZIP_BRANCH}
         INSTALL_COMMAND ""
         CMAKE_ARGS
-            -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
+            -DBUILD_SHARED_LIBS:BOOL=OFF
             -DSZIP_PACKAGE_EXT:STRING=${HDF_PACKAGE_EXT}
             -DSZIP_EXTERNALLY_CONFIGURED:BOOL=OFF
             -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
@@ -117,7 +109,7 @@ macro (EXTERNAL_SZIP_LIBRARY compress_type encoding)
         URL_MD5 ""
         INSTALL_COMMAND ""
         CMAKE_ARGS
-            -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
+            -DBUILD_SHARED_LIBS:BOOL=OFF
             -DSZIP_PACKAGE_EXT:STRING=${HDF_PACKAGE_EXT}
             -DSZIP_EXTERNALLY_CONFIGURED:BOOL=OFF
             -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
@@ -134,21 +126,23 @@ macro (EXTERNAL_SZIP_LIBRARY compress_type encoding)
   endif ()
   externalproject_get_property (SZIP BINARY_DIR SOURCE_DIR)
 
-##include (${BINARY_DIR}/${SZIP_PACKAGE_NAME}${HDF_PACKAGE_EXT}-targets.cmake)
+##include (${BINARY_DIR}/${SZ_PACKAGE_NAME}${HDF_PACKAGE_EXT}-targets.cmake)
 # Create imported target szip-static
-  add_library(${HDF_PACKAGE_NAMESPACE}szip-static STATIC IMPORTED)
-  HDF_IMPORT_SET_LIB_OPTIONS (${HDF_PACKAGE_NAMESPACE}szip-static "szip" STATIC "")
-  add_dependencies (${HDF_PACKAGE_NAMESPACE}szip-static SZIP)
-  set (SZIP_STATIC_LIBRARY "${HDF_PACKAGE_NAMESPACE}szip-static")
-  set (SZIP_LIBRARIES ${SZIP_STATIC_LIBRARY})
-  if (BUILD_SHARED_LIBS)
-    # Create imported target szip-shared
-    add_library(${HDF_PACKAGE_NAMESPACE}szip-shared SHARED IMPORTED)
-    HDF_IMPORT_SET_LIB_OPTIONS (${HDF_PACKAGE_NAMESPACE}szip-shared "szip" SHARED "")
-    add_dependencies (${HDF_PACKAGE_NAMESPACE}szip-shared SZIP)
-    set (SZIP_SHARED_LIBRARY "${HDF_PACKAGE_NAMESPACE}szip-shared")
-    set (SZIP_LIBRARIES ${SZIP_LIBRARIES} ${SZIP_SHARED_LIBRARY})
+  if (USE_LIBAEC)
+    add_library(${HDF_PACKAGE_NAMESPACE}sz-static STATIC IMPORTED)
+    HDF_IMPORT_SET_LIB_OPTIONS (${HDF_PACKAGE_NAMESPACE}sz-static "sz" STATIC "")
+    add_dependencies (${HDF_PACKAGE_NAMESPACE}sz-static SZIP)
+    add_library(${HDF_PACKAGE_NAMESPACE}aec-static STATIC IMPORTED)
+    HDF_IMPORT_SET_LIB_OPTIONS (${HDF_PACKAGE_NAMESPACE}aec-static "aec" STATIC "")
+    add_dependencies (${HDF_PACKAGE_NAMESPACE}aec-static SZIP)
+    set (SZIP_STATIC_LIBRARY "${HDF_PACKAGE_NAMESPACE}sz-static;${HDF_PACKAGE_NAMESPACE}aec-static")
+  else ()
+    add_library(${HDF_PACKAGE_NAMESPACE}szip-static STATIC IMPORTED)
+    HDF_IMPORT_SET_LIB_OPTIONS (${HDF_PACKAGE_NAMESPACE}szip-static "szip" STATIC "")
+    add_dependencies (${HDF_PACKAGE_NAMESPACE}szip-static SZIP)
+    set (SZIP_STATIC_LIBRARY "${HDF_PACKAGE_NAMESPACE}szip-static")
   endif ()
+  set (SZIP_LIBRARIES ${SZIP_STATIC_LIBRARY})
 
   set (SZIP_INCLUDE_DIR_GEN "${BINARY_DIR}")
   set (SZIP_INCLUDE_DIR "${SOURCE_DIR}/src")
@@ -158,11 +152,15 @@ endmacro ()
 
 #-------------------------------------------------------------------------------
 macro (PACKAGE_SZIP_LIBRARY compress_type)
+  set (SZIP_HDR "SZconfig")
+  if (USE_LIBAEC)
+    set (SZIP_HDR "libaec_Export")
+  endif ()
   add_custom_target (SZIP-GenHeader-Copy ALL
-      COMMAND ${CMAKE_COMMAND} -E copy_if_different ${SZIP_INCLUDE_DIR_GEN}/SZconfig.h ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/
-      COMMENT "Copying ${SZIP_INCLUDE_DIR_GEN}/SZconfig.h to ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/"
+      COMMAND ${CMAKE_COMMAND} -E copy_if_different ${SZIP_INCLUDE_DIR_GEN}/${SZIP_HDR}.h ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/
+      COMMENT "Copying ${SZIP_INCLUDE_DIR_GEN}/${SZIP_HDR}.h to ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/"
   )
-  set (EXTERNAL_HEADER_LIST ${EXTERNAL_HEADER_LIST} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/SZconfig.h)
+  set (EXTERNAL_HEADER_LIST ${EXTERNAL_HEADER_LIST} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${SZIP_HDR}.h)
   if (${compress_type} MATCHES "GIT" OR ${compress_type} MATCHES "TGZ")
     add_dependencies (SZIP-GenHeader-Copy SZIP)
   endif ()
@@ -176,7 +174,7 @@ macro (EXTERNAL_ZLIB_LIBRARY compress_type)
         GIT_TAG ${ZLIB_BRANCH}
         INSTALL_COMMAND ""
         CMAKE_ARGS
-            -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
+            -DBUILD_SHARED_LIBS:BOOL=OFF
             -DZLIB_PACKAGE_EXT:STRING=${HDF_PACKAGE_EXT}
             -DZLIB_EXTERNALLY_CONFIGURED:BOOL=OFF
             -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
@@ -195,7 +193,7 @@ macro (EXTERNAL_ZLIB_LIBRARY compress_type)
         URL_MD5 ""
         INSTALL_COMMAND ""
         CMAKE_ARGS
-            -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS}
+            -DBUILD_SHARED_LIBS:BOOL=OFF
             -DZLIB_PACKAGE_EXT:STRING=${HDF_PACKAGE_EXT}
             -DZLIB_EXTERNALLY_CONFIGURED:BOOL=OFF
             -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
@@ -224,14 +222,6 @@ macro (EXTERNAL_ZLIB_LIBRARY compress_type)
   add_dependencies (${HDF_PACKAGE_NAMESPACE}zlib-static ZLIB)
   set (ZLIB_STATIC_LIBRARY "${HDF_PACKAGE_NAMESPACE}zlib-static")
   set (ZLIB_LIBRARIES ${ZLIB_STATIC_LIBRARY})
-  if (BUILD_SHARED_LIBS)
-    # Create imported target zlib-shared
-    add_library(${HDF_PACKAGE_NAMESPACE}zlib-shared SHARED IMPORTED)
-    HDF_IMPORT_SET_LIB_OPTIONS (${HDF_PACKAGE_NAMESPACE}zlib-shared ${ZLIB_LIB_NAME} SHARED "")
-    add_dependencies (${HDF_PACKAGE_NAMESPACE}zlib-shared ZLIB)
-    set (ZLIB_SHARED_LIBRARY "${HDF_PACKAGE_NAMESPACE}zlib-shared")
-    set (ZLIB_LIBRARIES ${ZLIB_LIBRARIES} ${ZLIB_SHARED_LIBRARY})
-  endif ()
 
   set (ZLIB_INCLUDE_DIR_GEN "${BINARY_DIR}")
   set (ZLIB_INCLUDE_DIR "${SOURCE_DIR}")
diff --git a/config/cmake_ext_mod/HDFMacros.cmake b/config/cmake_ext_mod/HDFMacros.cmake
index fee6def..ae0ebca 100644
--- a/config/cmake_ext_mod/HDFMacros.cmake
+++ b/config/cmake_ext_mod/HDFMacros.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -28,7 +28,9 @@ macro (SET_HDF_BUILD_TYPE)
     endif()
   endif()
   if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
-    message (STATUS "Setting build type to 'RelWithDebInfo' as none was specified.")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (VERBOSE "Setting build type to 'RelWithDebInfo' as none was specified.")
+    endif()
     set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build." FORCE)
     # Set the possible values of build type for cmake-gui
     set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
@@ -126,10 +128,6 @@ macro (HDF_SET_LIB_OPTIONS libtarget libname libtype)
       OUTPUT_NAME_MINSIZEREL     ${LIB_RELEASE_NAME}
       OUTPUT_NAME_RELWITHDEBINFO ${LIB_RELEASE_NAME}
   )
-  #get_property (target_name TARGET ${libtarget} PROPERTY OUTPUT_NAME)
-  #get_property (target_name_debug TARGET ${libtarget} PROPERTY OUTPUT_NAME_DEBUG)
-  #get_property (target_name_rwdi TARGET ${libtarget} PROPERTY OUTPUT_NAME_RELWITHDEBINFO)
-  #message (STATUS "${target_name} : ${target_name_debug} : ${target_name_rwdi}")
 
   if (${libtype} MATCHES "STATIC")
     if (WIN32)
@@ -143,8 +141,8 @@ macro (HDF_SET_LIB_OPTIONS libtarget libname libtype)
     endif ()
   endif ()
 
-  #----- Use MSVC Naming conventions for Shared Libraries
-  if (MINGW AND ${libtype} MATCHES "SHARED")
+  option (HDF5_MSVC_NAMING_CONVENTION "Use MSVC Naming conventions for Shared Libraries" OFF)
+  if (HDF5_MSVC_NAMING_CONVENTION AND MINGW AND ${libtype} MATCHES "SHARED")
     set_target_properties (${libtarget} PROPERTIES
         IMPORT_SUFFIX ".lib"
         IMPORT_PREFIX ""
@@ -343,7 +341,7 @@ macro (HDF_DIR_PATHS package_prefix)
     set (${package_prefix}_INSTALL_INCLUDE_DIR include)
   endif ()
   if (NOT ${package_prefix}_INSTALL_DATA_DIR)
-    if (NOT WIN32)
+    if (NOT MSVC)
       if (APPLE)
         if (${package_prefix}_BUILD_FRAMEWORKS)
           set (${package_prefix}_INSTALL_EXTRA_DIR ../SharedSupport)
@@ -353,12 +351,13 @@ macro (HDF_DIR_PATHS package_prefix)
         set (${package_prefix}_INSTALL_FWRK_DIR ${CMAKE_INSTALL_FRAMEWORK_PREFIX})
       endif ()
       set (${package_prefix}_INSTALL_DATA_DIR share)
-      set (${package_prefix}_INSTALL_CMAKE_DIR share/cmake)
     else ()
       set (${package_prefix}_INSTALL_DATA_DIR ".")
-      set (${package_prefix}_INSTALL_CMAKE_DIR cmake)
     endif ()
   endif ()
+  if (NOT ${package_prefix}_INSTALL_CMAKE_DIR)
+    set (${package_prefix}_INSTALL_CMAKE_DIR share/cmake)
+  endif ()
 
   # Always use full RPATH, i.e. don't skip the full RPATH for the build tree
   set (CMAKE_SKIP_BUILD_RPATH  FALSE)
@@ -427,5 +426,49 @@ macro (HDF_DIR_PATHS package_prefix)
       set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH})
     endif ()
   endif ()
+
+  if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+    if (CMAKE_HOST_UNIX)
+      set (CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/HDF_Group/${HDF5_PACKAGE_NAME}/${HDF5_PACKAGE_VERSION}"
+        CACHE PATH "Install path prefix, prepended onto install directories." FORCE)
+    else ()
+      GetDefaultWindowsPrefixBase(CMAKE_GENERIC_PROGRAM_FILES)
+      set (CMAKE_INSTALL_PREFIX
+        "${CMAKE_GENERIC_PROGRAM_FILES}/HDF_Group/${HDF5_PACKAGE_NAME}/${HDF5_PACKAGE_VERSION}"
+        CACHE PATH "Install path prefix, prepended onto install directories." FORCE)
+      set (CMAKE_GENERIC_PROGRAM_FILES)
+    endif ()
+  endif ()
+
+#-----------------------------------------------------------------------------
+# Setup pre-3.14 FetchContent
+#-----------------------------------------------------------------------------
+  if(${CMAKE_VERSION} VERSION_LESS 3.14)
+    macro(FetchContent_MakeAvailable NAME)
+        FetchContent_GetProperties(${NAME})
+        if(NOT ${NAME}_POPULATED)
+            FetchContent_Populate(${NAME})
+            add_subdirectory(${${NAME}_SOURCE_DIR} ${${NAME}_BINARY_DIR})
+        endif()
+    endmacro()
+  endif()
+endmacro ()
+
+macro (ADD_H5_FLAGS h5_flag_var infile)
+  file (STRINGS ${infile} TEST_FLAG_STREAM)
+  #message (TRACE "TEST_FLAG_STREAM=${TEST_FLAG_STREAM}")
+  list (LENGTH TEST_FLAG_STREAM len_flag)
+  if (len_flag GREATER 0)
+    math (EXPR _FP_LEN "${len_flag} - 1")
+    foreach (line RANGE 0 ${_FP_LEN})
+      list (GET TEST_FLAG_STREAM ${line} str_flag)
+      string (REGEX REPLACE "^#.*" "" str_flag "${str_flag}")
+      #message (TRACE "str_flag=${str_flag}")
+      if (str_flag)
+        list (APPEND ${h5_flag_var} "${str_flag}")
+      endif ()
+    endforeach ()
+  endif ()
+  #message (TRACE "h5_flag_var=${${h5_flag_var}}")
 endmacro ()
 
diff --git a/config/cmake_ext_mod/HDFTests.c b/config/cmake_ext_mod/HDFTests.c
index 0b9b530..2d7e1b4 100644
--- a/config/cmake_ext_mod/HDFTests.c
+++ b/config/cmake_ext_mod/HDFTests.c
@@ -5,7 +5,7 @@
  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
  * terms governing use, modification, and redistribution, is contained in    *
  * the COPYING file, which can be found at the root of the source code       *
- * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
+ * distribution tree, or in https://www.hdfgroup.org/licenses.               *
  * If you do not have access to either file, you may request a copy from     *
  * help@hdfgroup.org.                                                        *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
@@ -88,25 +88,6 @@ int main(void)
 }
 #endif
 
-
-#ifdef TIME_WITH_SYS_TIME
-/* Time with sys/time test */
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <time.h>
-
-int
-main ()
-{
-if ((struct tm *) 0)
-return 0;
-  ;
-  return 0;
-}
-
-#endif
-
 #ifdef STDC_HEADERS
 #include <stdlib.h>
 #include <stdarg.h>
@@ -162,26 +143,6 @@ main ()
 
 #endif /* HAVE_FUNCTION */
 
-#ifdef HAVE_TM_GMTOFF
-
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#include <time.h>
-SIMPLE_TEST(struct tm tm; tm.tm_gmtoff=0);
-
-#endif /* HAVE_TM_GMTOFF */
-
-#ifdef HAVE___TM_GMTOFF
-
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#include <time.h>
-SIMPLE_TEST(struct tm tm; tm.__tm_gmtoff=0);
-
-#endif /* HAVE_TM___GMTOFF */
-
 #ifdef HAVE_TIMEZONE
 
 #ifdef HAVE_SYS_TIME_H
@@ -192,24 +153,6 @@ SIMPLE_TEST(timezone=0);
 
 #endif /* HAVE_TIMEZONE */
 
-#ifdef HAVE_STRUCT_TIMEZONE
-
-#include <sys/types.h>
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#include <time.h>
-SIMPLE_TEST(struct timezone tz; tz.tz_minuteswest=0);
-
-#endif /* HAVE_STRUCT_TIMEZONE */
-
-#ifdef HAVE_STAT_ST_BLOCKS
-
-#include <sys/stat.h>
-SIMPLE_TEST(struct stat sb; sb.st_blocks=0);
-
-#endif /* HAVE_STAT_ST_BLOCKS */
-
 #ifdef PRINTF_LL_WIDTH
 
 #ifdef HAVE_LONG_LONG
@@ -235,7 +178,7 @@ int DebugReport(int reportType, char* message, int* returnValue)
 
 int main(void)
 {
-  char *llwidthArgs[] = { "I64", "l64", "l", "L", "q", "ll", NULL };
+  char *llwidthArgs[] = { "I64", "l64", "ll", "l", "L", "q", NULL };
   char *s = malloc(128);
   char **currentArg = NULL;
   LL_TYPE x = (LL_TYPE)1048576 * (LL_TYPE)1048576;
@@ -319,16 +262,6 @@ int main()
 }
 #endif
 
-#ifdef HAVE_STAT64_STRUCT
-#include <sys/types.h>
-#include <sys/stat.h>],
-struct stat64 sb;
-int main()
-{
-  return 0;
-}
-#endif
-
 #ifdef TEST_DIRECT_VFD_WORKS
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -432,18 +365,6 @@ int main ()
 
 #endif /* HAVE_IOEO */
 
-#ifdef HAVE_STRUCT_VIDEOCONFIG
-
-SIMPLE_TEST(struct videoconfig w; w.numtextcols=0);
-
-#endif /* HAVE_STRUCT_VIDEOCONFIG */
-
-#ifdef HAVE_STRUCT_TEXT_INFO
-
-SIMPLE_TEST(struct text_info w; w.screenwidth=0);
-
-#endif /* HAVE_STRUCT_TEXT_INFO */
-
 #if defined( HAVE_INLINE ) || defined( HAVE___INLINE__ ) || defined( HAVE___INLINE )
 #ifndef __cplusplus
 #if defined( HAVE_INLINE )
diff --git a/config/cmake_ext_mod/HDFUseCXX.cmake b/config/cmake_ext_mod/HDFUseCXX.cmake
index 8d98147..580c409 100644
--- a/config/cmake_ext_mod/HDFUseCXX.cmake
+++ b/config/cmake_ext_mod/HDFUseCXX.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -70,7 +70,9 @@ macro (HDF_CXX_FUNCTION_TEST OTHER_TEST)
       )
     endif ()
 
-    #message (STATUS "Performing ${OTHER_TEST}")
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+      message (TRACE "Performing ${OTHER_TEST}")
+    endif ()
     TRY_COMPILE (${OTHER_TEST}
         ${CMAKE_BINARY_DIR}
         ${HDF_RESOURCES_EXT_DIR}/HDFCXXTests.cpp
@@ -80,9 +82,13 @@ macro (HDF_CXX_FUNCTION_TEST OTHER_TEST)
     )
     if (${OTHER_TEST} EQUAL 0)
       set (${OTHER_TEST} 1 CACHE INTERNAL "CXX test ${FUNCTION}")
-      message (STATUS "Performing CXX Test ${OTHER_TEST} - Success")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Performing CXX Test ${OTHER_TEST} - Success")
+      endif ()
     else ()
-      message (STATUS "Performing CXX Test ${OTHER_TEST} - Failed")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Performing CXX Test ${OTHER_TEST} - Failed")
+      endif ()
       set (${OTHER_TEST} "" CACHE INTERNAL "CXX test ${FUNCTION}")
       file (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
           "Performing CXX Test ${OTHER_TEST} failed with the following output:\n"
@@ -97,11 +103,6 @@ endmacro ()
 #-----------------------------------------------------------------------------
 if (CMAKE_CXX_COMPILER_LOADED)
   foreach (cxx_test
-      OLD_HEADER_FILENAME
-      HDF_NO_NAMESPACE
-      HDF_NO_STD
-      BOOL_NOTDEFINED
-      NO_STATIC_CAST
       CXX_HAVE_OFFSETOF
   )
     HDF_CXX_FUNCTION_TEST (${cxx_test})
diff --git a/config/cmake_ext_mod/HDFUseFortran.cmake b/config/cmake_ext_mod/HDFUseFortran.cmake
index 0a6a092..9cbcd76 100644
--- a/config/cmake_ext_mod/HDFUseFortran.cmake
+++ b/config/cmake_ext_mod/HDFUseFortran.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -135,7 +135,9 @@ else ()
   # so this one is used for a sizeof test.
   #-----------------------------------------------------------------------------
   macro (CHECK_FORTRAN_FEATURE FUNCTION CODE VARIABLE)
-      message (STATUS "Testing Fortran ${FUNCTION}")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Testing Fortran ${FUNCTION}")
+      endif ()
       if (HDF5_REQUIRED_LIBRARIES)
         set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
             "-DLINK_LIBRARIES:STRING=${HDF5_REQUIRED_LIBRARIES}")
@@ -153,13 +155,17 @@ else ()
           OUTPUT_VARIABLE OUTPUT
       )
 
-  #    message (STATUS "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
-  #    message (STATUS "Test result ${OUTPUT}")
-  #    message (STATUS "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
+  #    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+  #      message (TRACE "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
+  #      message (TRACE "Test result ${OUTPUT}")
+  #      message (TRACE "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
+  #    endif ()
 
       if (${RESULT_VAR})
         set (${VARIABLE} 1 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
-        message (STATUS "Testing Fortran ${FUNCTION} - OK")
+        if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+          message (VERBOSE "Testing Fortran ${FUNCTION} - OK")
+        endif ()
         file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
             "Determining if the Fortran ${FUNCTION} exists passed with the following output:\n"
             "${OUTPUT}\n\n"
diff --git a/config/cmake_ext_mod/grepTest.cmake b/config/cmake_ext_mod/grepTest.cmake
index b011ae8..631fca6 100644
--- a/config/cmake_ext_mod/grepTest.cmake
+++ b/config/cmake_ext_mod/grepTest.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -16,18 +16,12 @@
 if (NOT TEST_PROGRAM)
   message (FATAL_ERROR "Require TEST_PROGRAM to be defined")
 endif ()
-#if (NOT TEST_ARGS)
-#  message (STATUS "Require TEST_ARGS to be defined")
-#endif ()
 if (NOT TEST_FOLDER)
   message (FATAL_ERROR "Require TEST_FOLDER to be defined")
 endif ()
 if (NOT TEST_OUTPUT)
   message (FATAL_ERROR "Require TEST_OUTPUT to be defined")
 endif ()
-#if (NOT TEST_EXPECT)
-#  message (STATUS "Require TEST_EXPECT to be defined")
-#endif ()
 if (NOT TEST_FILTER)
   message (STATUS "Optional TEST_FILTER to be defined")
 endif ()
@@ -46,7 +40,7 @@ endif ()
 message (STATUS "COMMAND: ${TEST_EMULATOR} ${TEST_PROGRAM} ${TEST_ARGS}")
 
 if (TEST_LIBRARY_DIRECTORY)
-  if (WIN32 OR MINGW)
+  if (WIN32)
     set (ENV{PATH} "$ENV{PATH};${TEST_LIBRARY_DIRECTORY}")
   else ()
     set (ENV{LD_LIBRARY_PATH} "$ENV{LD_LIBRARY_PATH}:${TEST_LIBRARY_DIRECTORY}")
@@ -55,7 +49,9 @@ endif ()
 
 if (TEST_ENV_VAR)
   set (ENV{${TEST_ENV_VAR}} "${TEST_ENV_VALUE}")
-  #message (STATUS "ENV:${TEST_ENV_VAR}=$ENV{${TEST_ENV_VAR}}")
+  if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+    message (TRACE "ENV:${TEST_ENV_VAR}=$ENV{${TEST_ENV_VAR}}")
+  endif ()
 endif ()
 
 # run the test program, capture the stdout/stderr and the result var
@@ -105,7 +101,7 @@ if (TEST_ERRREF)
       file (READ ${TEST_FOLDER}/${TEST_REFERENCE} TEST_STREAM)
       list (LENGTH TEST_STREAM test_len)
       if (test_len GREATER 0)
-        if (WIN32 OR MINGW)
+        if (WIN32)
           configure_file(${TEST_FOLDER}/${TEST_REFERENCE} ${TEST_FOLDER}/${TEST_REFERENCE}.tmp NEWLINE_STYLE CRLF)
           if (EXISTS "${TEST_FOLDER}/${TEST_REFERENCE}.tmp")
             file(RENAME ${TEST_FOLDER}/${TEST_REFERENCE}.tmp ${TEST_FOLDER}/${TEST_REFERENCE})
diff --git a/config/cmake_ext_mod/runTest.cmake b/config/cmake_ext_mod/runTest.cmake
index 2b8b6b0..f552dcd 100644
--- a/config/cmake_ext_mod/runTest.cmake
+++ b/config/cmake_ext_mod/runTest.cmake
@@ -5,7 +5,7 @@
 # This file is part of HDF5.  The full HDF5 copyright notice, including
 # terms governing use, modification, and redistribution, is contained in
 # the COPYING file, which can be found at the root of the source code
-# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
+# distribution tree, or in https://www.hdfgroup.org/licenses.
 # If you do not have access to either file, you may request a copy from
 # help@hdfgroup.org.
 #
@@ -38,7 +38,7 @@ endif ()
 message (STATUS "COMMAND: ${TEST_EMULATOR} ${TEST_PROGRAM} ${TEST_ARGS}")
 
 if (TEST_LIBRARY_DIRECTORY)
-  if (WIN32 OR MINGW)
+  if (WIN32)
     set (ENV{PATH} "$ENV{PATH};${TEST_LIBRARY_DIRECTORY}")
   else ()
     set (ENV{LD_LIBRARY_PATH} "$ENV{LD_LIBRARY_PATH}:${TEST_LIBRARY_DIRECTORY}")
@@ -212,7 +212,7 @@ if (NOT TEST_SKIP_COMPARE)
     file (READ ${TEST_FOLDER}/${TEST_REFERENCE} TEST_STREAM)
     list (LENGTH TEST_STREAM test_len)
     if (test_len GREATER 0)
-      if (WIN32 OR MINGW)
+      if (WIN32)
         configure_file(${TEST_FOLDER}/${TEST_REFERENCE} ${TEST_FOLDER}/${TEST_REFERENCE}.tmp NEWLINE_STYLE CRLF)
         if (EXISTS "${TEST_FOLDER}/${TEST_REFERENCE}.tmp")
           file(RENAME ${TEST_FOLDER}/${TEST_REFERENCE}.tmp ${TEST_FOLDER}/${TEST_REFERENCE})
@@ -283,7 +283,7 @@ if (NOT TEST_SKIP_COMPARE)
     file (READ ${TEST_FOLDER}/${TEST_ERRREF} TEST_STREAM)
     list (LENGTH TEST_STREAM test_len)
     if (test_len GREATER 0)
-      if (WIN32 OR MINGW)
+      if (WIN32)
         configure_file(${TEST_FOLDER}/${TEST_ERRREF} ${TEST_FOLDER}/${TEST_ERRREF}.tmp NEWLINE_STYLE CRLF)
         if (EXISTS "${TEST_FOLDER}/${TEST_ERRREF}.tmp")
           file(RENAME ${TEST_FOLDER}/${TEST_ERRREF}.tmp ${TEST_FOLDER}/${TEST_ERRREF})