Merge branch 'develop' into feature/coding_standardsfeature/coding_standards

1 files changed, 49 insertions, 19 deletions

diff --git a/CMakeFilters.cmake b/CMakeFilters.cmake
index 5a89564..725390b 100644
--- a/CMakeFilters.cmake
+++ b/CMakeFilters.cmake
@@ -5,17 +5,21 @@
 # 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.
 #
+option (USE_LIBAEC "Use AEC library as SZip Filter" OFF)
+option (USE_LIBAEC_STATIC "Use static AEC library " OFF)
 
 include (ExternalProject)
+include (FetchContent)
+
 #option (HDF5_ALLOW_EXTERNAL_SUPPORT "Allow External Library Building (NO GIT TGZ)" "NO")
 set (HDF5_ALLOW_EXTERNAL_SUPPORT "NO" CACHE STRING "Allow External Library Building (NO GIT TGZ)")
 set_property (CACHE HDF5_ALLOW_EXTERNAL_SUPPORT PROPERTY STRINGS NO GIT TGZ)
 if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
-  option (ZLIB_USE_EXTERNAL "Use External Library Building for ZLIB" 1)
+  option (ZLIB_USE_EXTERNAL "Use External Library Building for HDF5_ZLIB" 1)
   option (SZIP_USE_EXTERNAL "Use External Library Building for SZIP" 1)
   if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT")
     set (ZLIB_URL ${ZLIB_GIT_URL} CACHE STRING "Path to zlib git repository")
@@ -29,12 +33,19 @@ if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR HDF5_ALLOW_EXTERNAL_SUPPORT MAT
     set (ZLIB_URL ${TGZPATH}/${ZLIB_TGZ_NAME})
     if (NOT EXISTS "${ZLIB_URL}")
       set (HDF5_ENABLE_Z_LIB_SUPPORT OFF CACHE BOOL "" FORCE)
-      message (STATUS "Filter ZLIB file ${ZLIB_URL} not found")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Filter ZLIB file ${ZLIB_URL} not found")
+      endif ()
     endif ()
     set (SZIP_URL ${TGZPATH}/${SZIP_TGZ_NAME})
+    if (USE_LIBAEC)
+      set (SZIP_URL ${TGZPATH}/${SZAEC_TGZ_NAME})
+    endif ()
     if (NOT EXISTS "${SZIP_URL}")
       set (HDF5_ENABLE_SZIP_SUPPORT OFF CACHE BOOL "" FORCE)
-      message (STATUS "Filter SZIP file ${SZIP_URL} not found")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Filter SZIP file ${SZIP_URL} not found")
+      endif ()
     endif ()
   else ()
     set (ZLIB_USE_EXTERNAL 0)
@@ -54,7 +65,6 @@ if (HDF5_ENABLE_Z_LIB_SUPPORT)
         find_package (ZLIB) # Legacy find
         if (ZLIB_FOUND)
           set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${ZLIB_LIBRARIES})
-          set (LINK_COMP_SHARED_LIBS ${LINK_COMP_SHARED_LIBS} ${ZLIB_LIBRARIES})
         endif ()
       endif ()
     endif ()
@@ -71,7 +81,9 @@ if (HDF5_ENABLE_Z_LIB_SUPPORT)
         set (H5_HAVE_FILTER_DEFLATE 1)
         set (H5_HAVE_ZLIB_H 1)
         set (H5_HAVE_LIBZ 1)
-        message (STATUS "Filter ZLIB is built")
+        if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+          message (VERBOSE "Filter HDF5_ZLIB is built")
+        endif ()
       else ()
         message (FATAL_ERROR " ZLib is Required for ZLib support in HDF5")
       endif ()
@@ -85,12 +97,11 @@ if (HDF5_ENABLE_Z_LIB_SUPPORT)
   if (H5_HAVE_FILTER_DEFLATE)
     set (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} DEFLATE")
   endif ()
-  if (BUILD_SHARED_LIBS)
-    set (LINK_COMP_SHARED_LIBS ${LINK_COMP_SHARED_LIBS} ${ZLIB_SHARED_LIBRARY})
-  endif ()
   set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${ZLIB_STATIC_LIBRARY})
   INCLUDE_DIRECTORIES (${ZLIB_INCLUDE_DIRS})
-  message (STATUS "Filter ZLIB is ON")
+  if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+    message (VERBOSE "Filter HDF5_ZLIB is ON")
+  endif ()
 endif ()
 
 #-----------------------------------------------------------------------------
@@ -100,12 +111,22 @@ option (HDF5_ENABLE_SZIP_SUPPORT "Use SZip Filter" OFF)
 if (HDF5_ENABLE_SZIP_SUPPORT)
   option (HDF5_ENABLE_SZIP_ENCODING "Use SZip Encoding" OFF)
   if (NOT SZIP_USE_EXTERNAL)
-    find_package (SZIP NAMES ${SZIP_PACKAGE_NAME}${HDF_PACKAGE_EXT} COMPONENTS static shared)
-    if (NOT SZIP_FOUND)
-      find_package (SZIP) # Legacy find
+    set(SZIP_FOUND FALSE)
+    if (USE_LIBAEC)
+      set(libaec_USE_STATIC_LIBS ${USE_LIBAEC_STATIC})
+      find_package (libaec 1.0.5 CONFIG)
       if (SZIP_FOUND)
         set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${SZIP_LIBRARIES})
-        set (LINK_COMP_SHARED_LIBS ${LINK_COMP_SHARED_LIBS} ${SZIP_LIBRARIES})
+      endif ()
+    endif ()
+
+    if (NOT SZIP_FOUND)
+      find_package (SZIP NAMES ${SZIP_PACKAGE_NAME}${HDF_PACKAGE_EXT} COMPONENTS static shared)
+      if (NOT SZIP_FOUND)
+        find_package (SZIP) # Legacy find
+        if (SZIP_FOUND)
+          set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${SZIP_LIBRARIES})
+        endif ()
       endif ()
     endif ()
   endif ()
@@ -121,17 +142,26 @@ if (HDF5_ENABLE_SZIP_SUPPORT)
       set (H5_HAVE_FILTER_SZIP 1)
       set (H5_HAVE_SZLIB_H 1)
       set (H5_HAVE_LIBSZ 1)
-      message (STATUS "Filter SZIP is built")
+      if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+        message (VERBOSE "Filter SZIP is built")
+      endif ()
+      if (USE_LIBAEC)
+        if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+          message (VERBOSE "... with library AEC")
+        endif ()
+        set (SZIP_PACKAGE_NAME ${LIBAEC_PACKAGE_NAME})
+      else ()
+        set (SZIP_PACKAGE_NAME ${SZIP_PACKAGE_NAME})
+      endif ()
     else ()
       message (FATAL_ERROR "SZIP is Required for SZIP support in HDF5")
     endif ()
   endif ()
-  if (BUILD_SHARED_LIBS)
-    set (LINK_COMP_SHARED_LIBS ${LINK_COMP_SHARED_LIBS} ${SZIP_SHARED_LIBRARY})
-  endif ()
   set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${SZIP_STATIC_LIBRARY})
   INCLUDE_DIRECTORIES (${SZIP_INCLUDE_DIRS})
-  message (STATUS "Filter SZIP is ON")
+  if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
+    message (VERBOSE "Filter SZIP is ON")
+  endif ()
   if (H5_HAVE_FILTER_SZIP)
     set (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} DECODE")
   endif ()