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-rw-r--r--CMakeFilters.cmake18
-rw-r--r--release_docs/RELEASE.txt15
2 files changed, 30 insertions, 3 deletions
diff --git a/CMakeFilters.cmake b/CMakeFilters.cmake
index d5f801e..51ac61c 100644
--- a/CMakeFilters.cmake
+++ b/CMakeFilters.cmake
@@ -10,6 +10,7 @@
# 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)
@@ -110,13 +111,24 @@ 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})
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 ()
if (SZIP_FOUND)
set (H5_HAVE_FILTER_SZIP 1)
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 92ec483..2195154 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -487,6 +487,21 @@ Bug Fixes since HDF5-1.10.7 release
-O1 otherwise
(DER - 2021/07/28, HDFFV-11192)
+ - Better support for libaec (open-source Szip library) in CMake
+
+ Implemented better support for libaec 1.0.5 (or later) library. This version
+ of libaec contains improvements for better integration with HDF5. Furthermore,
+ the variable USE_LIBAEC_STATIC has been introduced to allow to make use of
+ static version of libaec library. Use libaec_DIR or libaec_ROOT to set
+ the location in which libaec can be found.
+
+ Be aware, the Szip library of libaec 1.0.4 depends on another library within
+ libaec library. This dependency is not specified in the current CMake
+ configuration which means that one can not use the static Szip library of
+ libaec 1.0.4 when building HDF5. This has been resolved in libaec 1.0.5.
+
+ (JWSB - 2021/06/22)
+
- Refactor CMake configure for Fortran