Merge CMake updates from 1.12 development branch (#3821)

2 files changed, 74 insertions, 79 deletions

diff --git a/release_docs/INSTALL_CMake.txt b/release_docs/INSTALL_CMake.txt
index 0d867d4..e1564f0 100644
--- a/release_docs/INSTALL_CMake.txt
+++ b/release_docs/INSTALL_CMake.txt
@@ -308,7 +308,7 @@ IV. Further considerations
          CMake options:
             HDF5_ALLOW_EXTERNAL_SUPPORT:STRING="TGZ"
             ZLIB_TGZ_NAME:STRING="zlib_src.ext"
-            SZAEC_TGZ_NAME:STRING="szaec_src.ext"
+            LIBAEC_TGZ_NAME:STRING="szaec_src.ext"
             TGZPATH:STRING="some_location"
          where "some_location" is the URL or full path to the compressed
          file and ext is the type of compression file. Also set CMAKE_BUILD_TYPE
@@ -317,12 +317,10 @@ IV. Further considerations
 
       D. Use original source packages from a compressed file by adding the following
          CMake options:
-            BUILD_SZIP_WITH_FETCHCONTENT:BOOL=ON
-            LIBAEC_TGZ_ORIGNAME:STRING="szip_src.ext"
+            LIBAEC_TGZ_NAME:STRING="szip_src.ext"
             LIBAEC_TGZ_ORIGPATH:STRING="some_location"
 
-            BUILD_ZLIB_WITH_FETCHCONTENT:BOOL=ON
-            ZLIB_TGZ_ORIGNAME:STRING="zlib_src.ext"
+            ZLIB_TGZ_NAME:STRING="zlib_src.ext"
             ZLIB_TGZ_ORIGPATH:STRING="some_location"
 
             HDF5_ALLOW_EXTERNAL_SUPPORT:STRING="TGZ"
@@ -330,8 +328,6 @@ IV. Further considerations
             ZLIB_USE_LOCALCONTENT:BOOL=OFF
             LIBAEC_USE_LOCALCONTENT:BOOL=OFF
          or full path to the compressed file and ext is the type of compression file.
-         The individual filters are enabled by setting the BUILD_<filter>_WITH_FETCHCONTENT
-         CMake variable to ON.
          Also set CMAKE_BUILD_TYPE to the configuration type during configuration.
          See the settings in the config/cmake/cacheinit.cmake file HDF uses for testing.
 
@@ -528,78 +524,82 @@ These five steps are described in detail below.
                 set (HDF5_ALLOW_EXTERNAL_SUPPORT "TGZ" CACHE STRING "Allow External Library Building (NO GIT TGZ)" FORCE)
                 set_property (CACHE HDF5_ALLOW_EXTERNAL_SUPPORT PROPERTY STRINGS NO GIT TGZ)
                 set (ZLIB_PACKAGE_NAME "zlib" CACHE STRING "Name of ZLIB package" FORCE)
-                set (ZLIB_TGZ_NAME "ZLib.tar.gz" CACHE STRING "Use HDF5_ZLib from compressed file" FORCE)
-                set (ZLIB_TGZ_ORIGPATH "https://github.com/madler/zlib/releases/download/v1.2.13" CACHE STRING "Use ZLIB from original location" FORCE)
-                set (ZLIB_TGZ_ORIGNAME "zlib-1.2.13.tar.gz" CACHE STRING "Use ZLIB from original compressed file" FORCE)
+                set (ZLIB_TGZ_NAME "zlib-1.3.tar.gz" CACHE STRING "Use HDF5_ZLib from compressed file" FORCE)
+                set (ZLIB_TGZ_ORIGPATH "https://github.com/madler/zlib/releases/download/v1.3" CACHE STRING "Use ZLIB from original location" FORCE)
+                set (ZLIB_TGZ_NAME "zlib-1.3.tar.gz" CACHE STRING "Use ZLIB from original compressed file" FORCE)
                 set (ZLIB_USE_LOCALCONTENT ON CACHE BOOL "Use local file for ZLIB FetchContent" FORCE)
-                set (SZIP_PACKAGE_NAME "szip" CACHE STRING "Name of SZIP package" FORCE)
                 set (LIBAEC_PACKAGE_NAME "libaec" CACHE STRING "Name of AEC SZIP package" FORCE)
-                set (SZIP_TGZ_NAME "SZip.tar.gz" CACHE STRING "Use SZip from compressed file" FORCE)
-                set (SZAEC_TGZ_NAME "LIBAEC.tar.gz" CACHE STRING "Use SZip AEC from compressed file" FORCE)
-                set (USE_LIBAEC ON CACHE BOOL "Use libaec szip replacement" FORCE)
                 set (LIBAEC_TGZ_ORIGPATH "https://github.com/MathisRosenhauer/libaec/releases/download/v1.0.6" CACHE STRING "Use LIBAEC from original location" FORCE)
-                set (LIBAEC_TGZ_ORIGNAME "libaec-1.0.6.tar.gz" CACHE STRING "Use LIBAEC from original compressed file" FORCE)
+                set (LIBAEC_TGZ_NAME "libaec-1.0.6.tar.gz" CACHE STRING "Use LIBAEC from original compressed file" FORCE)
                 set (LIBAEC_USE_LOCALCONTENT ON CACHE BOOL "Use local file for LIBAEC FetchContent" FORCE)
                 #######################
                 # filter plugin options
                 #######################
-                set (PLUGIN_TGZ_NAME "hdf5_plugins.tar.gz" CACHE STRING "Use PLUGINS from compressed file" FORCE)
+                set (PLUGIN_TGZ_ORIGPATH "https://github.com/HDFGroup/hdf5_plugins/releases/download/snapshots" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (PLUGIN_TGZ_NAME "hdf5_plugins-master.tar.gz" CACHE STRING "Use PLUGINS from compressed file" FORCE)
+                set (PLUGIN_USE_LOCALCONTENT ON CACHE BOOL "Use local file for PLUGIN FetchContent" FORCE)
                 set (PLUGIN_PACKAGE_NAME "pl" CACHE STRING "Name of PLUGIN package" FORCE)
                 ############
                 # bitshuffle
                 ###########
-                set (BSHUF_GIT_URL "https://someurl/bitshuffle.git" CACHE STRING "Use BSHUF from HDF repository" FORCE)
+                set (BSHUF_GIT_URL "https://github.com/kiyo-masui/bitshuffle.git" CACHE STRING "Use BSHUF from HDF repository" FORCE)
                 set (BSHUF_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (BSHUF_TGZ_NAME "bitshuffle.tar.gz" CACHE STRING "Use BSHUF from compressed file" FORCE)
+                set (BSHUF_TGZ_ORIGPATH "https://github.com/kiyo-masui/bitshuffle/archive/refs/tags" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (BSHUF_TGZ_NAME "bitshuffle-0.5.1.tar.gz" CACHE STRING "Use BSHUF from compressed file" FORCE)
                 set (BSHUF_PACKAGE_NAME "bshuf" CACHE STRING "Name of BSHUF package" FORCE)
                 #######
                 # blosc
                 #######
-                set (BLOSC_GIT_URL "https://github.com/Blosc/c-blosc.git" CACHE STRING "Use BLOSC from Github" FORCE)
-                set (BLOSC_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (BLOSC_TGZ_NAME "c-blosc.tar.gz" CACHE STRING "Use BLOSC from compressed file" FORCE)
+                set (BLOSC_GIT_URL "https://github.com/Blosc/c-blosc.git" CACHE STRING "Use BLOSC from Github repository" FORCE)
+                set (BLOSC_GIT_BRANCH "main" CACHE STRING "" FORCE)
+                set (BLOSC_TGZ_ORIGPATH "https://github.com/Blosc/c-blosc/archive/refs/tags" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (BLOSC_TGZ_NAME "c-blosc-1.21.5.tar.gz" CACHE STRING "Use BLOSC from compressed file" FORCE)
                 set (BLOSC_PACKAGE_NAME "blosc" CACHE STRING "Name of BLOSC package" FORCE)
-                set (ZLIB_GIT_URL "https://someurl/zlib.git" CACHE STRING "Use ZLIB from HDF repo" FORCE)
-                set (ZLIB_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (ZLIB_TGZ_NAME "ZLib.tar.gz" CACHE STRING "Use ZLib from compressed file" FORCE)
-                set (ZLIB_PACKAGE_NAME "zlib" CACHE STRING "Name of ZLIB package" FORCE)
+                set (BLOSC_ZLIB_GIT_URL "https://github.com/madler/zlib.git" CACHE STRING "Use ZLIB from  GitHub repository" FORCE)
+                set (BLOSC_ZLIB_GIT_BRANCH "develop" CACHE STRING "" FORCE)
+                set (BLOSC_ZLIB_TGZ_ORIGPATH "https://github.com/madler/zlib/releases/download/v1.3" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (BLOSC_ZLIB_TGZ_NAME "zlib-1.3.tar.gz" CACHE STRING "Use ZLib from compressed file" FORCE)
+                set (BLOSC_ZLIB_PACKAGE_NAME "zlib" CACHE STRING "Name of BLOSC_ZLIB package" FORCE)
                 #######
                 # bzip2
                 ######
                 #
-                set (BZ2_GIT_URL "https://someurl/bzip2.git" CACHE STRING "Use BZ2 from HDF repository" FORCE)
+                set (BZ2_GIT_URL "https://github.com/libarchive/bzip2.git" CACHE STRING "Use BZ2 from  GitHub repository" FORCE)
                 set (BZ2_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (BZ2_TGZ_NAME "BZ2.tar.gz" CACHE STRING "Use BZ2 from compressed file" FORCE)
+                set (BZ2_TGZ_ORIGPATH "https://github.com/libarchive/bzip2/archive/refs/tags" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (BZ2_TGZ_NAME "bzip2-bzip2-1.0.8.tar.gz" CACHE STRING "Use BZ2 from compressed file" FORCE)
                 set (BZ2_PACKAGE_NAME "bz2" CACHE STRING "Name of BZ2 package" FORCE)
                 #######
                 # fpzip
                 #######
-                set (FPZIP_GIT_URL "https://github.com/LLNL/fpzip" CACHE STRING "Use FPZIP from github repository" FORCE)
-                set (FPZIP_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (FPZIP_TGZ_NAME "fpzip.tar.gz" CACHE STRING "Use FPZIP from compressed file" FORCE)
+                set (FPZIP_GIT_URL "https://github.com/LLNL/fpzip.git" CACHE STRING "Use FPZIP from  GitHub repository" FORCE)
+                set (FPZIP_GIT_BRANCH "develop" CACHE STRING "" FORCE)
+                set (FPZIP_TGZ_ORIGPATH "https://github.com/LLNL/fpzip/releases/download/1.3.0" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (FPZIP_TGZ_NAME "fpzip-1.3.0.tar.gz" CACHE STRING "Use FPZIP from compressed file" FORCE)
                 set (FPZIP_PACKAGE_NAME "fpzip" CACHE STRING "Name of FPZIP package" FORCE)
                 ######
                 # jpeg
                 ######
-                set (JPEG_GIT_URL "https://someurl/jpeg.git" CACHE STRING "Use JPEG from HDF repository" FORCE)
-                set (JPEG_GIT_BRANCH "jpeg9c" CACHE STRING "" FORCE)
-                #set (JPEG_TGZ_NAME "JPEG9c.tar.gz" CACHE STRING "Use JPEG from compressed file" FORCE)
-                set (JPEG_TGZ_NAME "JPEG.tar.gz" CACHE STRING "Use JPEG from compressed file" FORCE)
+                set (JPEG_GIT_URL "No repo www.ijg.org/files" CACHE STRING "Use JPEG from ILG" FORCE)
+                set (JPEG_GIT_BRANCH "v9e" CACHE STRING "" FORCE)
+                set (JPEG_TGZ_ORIGPATH "https://www.ijg.org/files" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (JPEG_TGZ_NAME "jpegsrc.v9e.tar.gz" CACHE STRING "Use JPEG from compressed file" FORCE)
                 set (JPEG_PACKAGE_NAME "jpeg" CACHE STRING "Name of JPEG package" FORCE)
                 ######
                 # lz4
                 ######
                 set (BUILD_LZ4_LIBRARY_SOURCE ON CACHE BOOL "build the lz4 library within the plugin" FORCE)
-                set (LZ4_GIT_URL "https://someurl/lz4.git" CACHE STRING "Use LZ4 from HDF repository" FORCE)
-                set (LZ4_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (LZ4_TGZ_NAME "lz4.tar.gz" CACHE STRING "Use LZ4 from compressed file" FORCE)
+                set (LZ4_GIT_URL "https://github.com/lz4/lz4.git" CACHE STRING "Use LZ4 from  GitHub repository" FORCE)
+                set (LZ4_GIT_BRANCH "dev" CACHE STRING "" FORCE)
+                set (LZ4_TGZ_ORIGPATH "https://github.com/lz4/lz4/releases/download/v1.9.4" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (LZ4_TGZ_NAME "lz4-1.9.4.tar.gz" CACHE STRING "Use LZ4 from compressed file" FORCE)
                 set (LZ4_PACKAGE_NAME "lz4" CACHE STRING "Name of LZ4 package" FORCE)
                 ######
                 # lzf
                 ######
-                set (LZF_GIT_URL "https://someurl/lzf.git" CACHE STRING "Use LZF from HDF repository" FORCE)
-                set (LZF_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (LZF_TGZ_NAME "lzf.tar.gz" CACHE STRING "Use LZF from compressed file" FORCE)
+                set (LZF_URL "http://software.schmorp.de/pkg/liblzf.html" CACHE STRING "LZF home" FORCE)
+                set (LZF_TGZ_ORIGPATH "http://dist.schmorp.de/liblzf" CACHE STRING "Use LZF from original location" FORCE)
+                set (LZF_TGZ_NAME "liblzf-3.6.tar.gz" CACHE STRING "Use LZF from compressed file" FORCE)
                 set (LZF_PACKAGE_NAME "lzf" CACHE STRING "Name of LZF package" FORCE)
                 ########
                 # mafisc
@@ -609,23 +609,26 @@ These five steps are described in detail below.
                 ######
                 # szf
                 ######
-                set (SZF_GIT_URL "https://github.com/disheng222/SZ" CACHE STRING "Use SZ from github repository" FORCE)
-                set (SZF_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (SZF_TGZ_NAME "szf.tar.gz" CACHE STRING "Use SZ from compressed file" FORCE)
+                set (SZ_GIT_URL "https://github.com/szcompressor/SZ.git" CACHE STRING "Use SZ filter from  GitHub repository" FORCE)
+                set (SZ_GIT_BRANCH "master" CACHE STRING "" FORCE)
+                set (SZ_TGZ_ORIGPATH "https://github.com/szcompressor/SZ/releases/download/v2.1.12.5" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (SZ_TGZ_NAME "SZ-2.1.12.5.tar.gz" CACHE STRING "Use SZ filter from compressed file" FORCE)
                 set (SZF_PACKAGE_NAME "szf" CACHE STRING "Name of SZ package" FORCE)
                 ######
                 # zfp
                 ######
-                set (ZFP_GIT_URL "https://github.com/LLNL/zfp.git" CACHE STRING "Use ZFP from Github" FORCE)
-                set (ZFP_GIT_BRANCH "master" CACHE STRING "" FORCE)
-                set (ZFP_TGZ_NAME "zfp.tar.gz" CACHE STRING "Use ZFP from compressed file" FORCE)
+                set (ZFP_GIT_URL "https://github.com/LLNL/zfp.git" CACHE STRING "Use ZFP from  GitHub repository" FORCE)
+                set (ZFP_GIT_BRANCH "develop" CACHE STRING "" FORCE)
+                set (ZFP_TGZ_ORIGPATH "https://github.com/LLNL/zfp/releases/download/1.0.0" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (ZFP_TGZ_NAME "zfp-1.0.0.tar.gz" CACHE STRING "Use ZFP from compressed file" FORCE)
                 set (ZFP_PACKAGE_NAME "zfp" CACHE STRING "Name of ZFP package" FORCE)
                 ######
                 # zstd
                 ######
-                set (ZSTD_GIT_URL "https://github.com/facebook/zstd" CACHE STRING "Use ZSTD from repository" FORCE)
+                set (ZSTD_GIT_URL "https://github.com/facebook/zstd.git" CACHE STRING "Use ZSTD from  GitHub repository" FORCE)
                 set (ZSTD_GIT_BRANCH "dev" CACHE STRING "" FORCE)
-                set (ZSTD_TGZ_NAME "zstd.tar.gz" CACHE STRING "Use ZSTD from compressed file" FORCE)
+                set (ZSTD_TGZ_ORIGPATH "https://github.com/facebook/zstd/releases/download/v1.5.5" CACHE STRING "Use PLUGINS from original location" FORCE)
+                set (ZSTD_TGZ_NAME "zstd-1.5.5.tar.gz" CACHE STRING "Use ZSTD from compressed file" FORCE)
                 set (ZSTD_PACKAGE_NAME "zstd" CACHE STRING "Name of ZSTD package" FORCE)
 
    2. Configure the cache settings
@@ -700,7 +703,6 @@ These five steps are described in detail below.
            The options to control the TGZ URL (config/cmake/cacheinit.cmake
            file) are:
                ZLIB_TGZ_NAME:STRING="zlib_src.ext"
-               SZIP_TGZ_NAME:STRING="szip_src.ext"
                LIBAEC_TGZ_NAME:STRING="libaec_src.ext"
                PLUGIN_TGZ_NAME:STRING="plugin_src.ext"
                TGZPATH:STRING="some_location"
@@ -709,9 +711,8 @@ These five steps are described in detail below.
             file such as .bz2, .tar, .tar.gz, .tgz, or .zip. Also define
             CMAKE_BUILD_TYPE to be the configuration type.
 
-           NOTE: the USE_LIBAEC option will use the file named by LIBAEC_TGZ_NAME
-            to build SZIP instead of the file named by SZIP_TGZ_NAME. This option
-            is also used to account for the different headers and library names.
+           NOTE: HDF5 uses the file named by LIBAEC_TGZ_NAME to build SZIP. This
+                 is used to account for the different headers and library names.
 
    4. Test HDF5
 
@@ -883,25 +884,25 @@ HDF5_ALLOW_EXTERNAL_SUPPORT "Allow External Library Building (NO GIT TGZ)"
 HDF5_ENABLE_PLUGIN_SUPPORT  "Enable PLUGIN Filters"                               OFF
 HDF5_ENABLE_SZIP_SUPPORT    "Use SZip Filter"                                     OFF
 HDF5_ENABLE_Z_LIB_SUPPORT   "Enable Zlib Filters"                                 ON
-PLUGIN_USE_EXTERNAL         "Use External Library Building for PLUGINS"           0
-ZLIB_USE_EXTERNAL           "Use External Library Building for ZLIB"              0
-SZIP_USE_EXTERNAL           "Use External Library Building for SZIP"              0
+
+ZLIB_USE_EXTERNAL         "Use External Library Building for ZLIB"    OFF
+ZLIB_TGZ_ORIGPATH         "Use ZLIB from original location"           "https://github.com/madler/zlib/releases/download/v1.2.13"
+ZLIB_TGZ_NAME             "Use ZLIB from original compressed file"    "zlib-1.2.13.tar.gz"
+ZLIB_USE_LOCALCONTENT     "Use local file for ZLIB FetchContent"      ON
+
+SZIP_USE_EXTERNAL         "Use External Library Building for SZIP"    OFF
 if (HDF5_ENABLE_SZIP_SUPPORT)
-    HDF5_ENABLE_SZIP_ENCODING "Use SZip Encoding"                                 ON
-    USE_LIBAEC                "Use libaec szip replacement"                       ON
+    HDF5_ENABLE_SZIP_ENCODING "Use SZip Encoding"                     ON
+LIBAEC_TGZ_ORIGPATH       "Use LIBAEC from original location"         "https://github.com/MathisRosenhauer/libaec/releases/download/v1.0.6/libaec-1.0.6.tar.gz"
+LIBAEC_TGZ_NAME           "Use LIBAEC from original compressed file"  "libaec-v1.0.6.tar.gz"
+LIBAEC_USE_LOCALCONTENT   "Use local file for LIBAEC FetchContent"    ON
+
+PLUGIN_USE_EXTERNAL       "Use External Library Building for PLUGINS" OFF
 if (WINDOWS)
-    H5_DEFAULT_PLUGINDIR    "%ALLUSERSPROFILE%/hdf5/lib/plugin"
+    H5_DEFAULT_PLUGINDIR  "%ALLUSERSPROFILE%/hdf5/lib/plugin"
 else ()
-    H5_DEFAULT_PLUGINDIR    "/usr/local/hdf5/lib/plugin"
+    H5_DEFAULT_PLUGINDIR  "/usr/local/hdf5/lib/plugin"
 endif ()
-if (BUILD_SZIP_WITH_FETCHCONTENT)
-    LIBAEC_TGZ_ORIGPATH       "Use LIBAEC from original location"        "https://github.com/MathisRosenhauer/libaec/releases/download/v1.0.6/libaec-1.0.6.tar.gz"
-    LIBAEC_TGZ_ORIGNAME       "Use LIBAEC from original compressed file" "libaec-v1.0.6.tar.gz"
-    LIBAEC_USE_LOCALCONTENT   "Use local file for LIBAEC FetchContent"    ON
-if (BUILD_ZLIB_WITH_FETCHCONTENT)
-    ZLIB_TGZ_ORIGPATH         "Use ZLIB from original location"        "https://github.com/madler/zlib/releases/download/v1.2.13"
-    ZLIB_TGZ_ORIGNAME         "Use ZLIB from original compressed file" "zlib-1.2.13.tar.gz"
-    ZLIB_USE_LOCALCONTENT     "Use local file for ZLIB FetchContent"    ON
 
 NOTE:
   The BUILD_STATIC_EXECS ("Build Static Executables") option is only valid
@@ -1075,15 +1076,15 @@ Available configurations presets can be displayed by executing:
 
 Using individual command presets (where <compiler-type> is  GNUC or MSVC or Clang):
     change directory to the hdf5 source folder
-    cmake --presets=ci-StdShar-<compiler-type>
-    cmake --build --presets=ci-StdShar-<compiler-type>
-    ctest --presets=ci-StdShar-<compiler-type>
-    cpack --presets=ci-StdShar-<compiler-type>
+    cmake --preset ci-StdShar-<compiler-type>
+    cmake --build --preset ci-StdShar-<compiler-type>
+    ctest --preset ci-StdShar-<compiler-type>
+    cpack --preset ci-StdShar-<compiler-type>
 
 
 Using the workflow preset to configure, build, test and package the standard configuration is:
     change directory to the hdf5 source folder
-    execute "cmake --workflow --presets=ci-StdShar-<compiler-type> --fresh"
+    execute "cmake --workflow --preset ci-StdShar-<compiler-type> --fresh"
           where <compiler-type> is  GNUC or MSVC or Clang
 
 Creating your own configurations
@@ -1103,7 +1104,7 @@ For instance, to change the support files to use a local directory, edit CMakeUs
       "inherits": "ci-base",
       "cacheVariables": {
         "HDF5_ALLOW_EXTERNAL_SUPPORT": {"type": "STRING", "value": "TGZ"},
-        "TGZPATH": {"type": "STRING", "value": "${sourceParentDir}/temp"}
+        "TGZPATH": {"type": "PATH", "value": "${sourceParentDir}/temp"}
       }
     },
     {
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 6e80e9b..b7d4135 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -95,12 +95,6 @@ New Features
       configure step to use the content in commands like add_subdirectory(),
       include() or file() operations.
 
-      The HDF options (and defaults) for using this are:
-          BUILD_SZIP_WITH_FETCHCONTENT:BOOL=OFF
-          LIBAEC_USE_LOCALCONTENT:BOOL=OFF
-          BUILD_ZLIB_WITH_FETCHCONTENT:BOOL=OFF
-          ZLIB_USE_LOCALCONTENT:BOOL=OFF
-
       The CMake variables to control the path and file names:
           LIBAEC_TGZ_ORIGPATH:STRING
           LIBAEC_TGZ_ORIGNAME:STRING