mirror of
https://github.com/HDFGroup/hdf5.git
synced 2026-09-25 04:09:44 +03:00
jhendersonHDF
5a11a79fc4
* Re-write zlib/szip CMake logic for clarity * Update external libaec, zlib-ng and zlib builds to not use patching process * Add FindZLIBNG module to locate zlib-ng on system * Rework HDF5 filter plugins support
567 lines
22 KiB
CMake
567 lines
22 KiB
CMake
#
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# Copyright by The HDF Group.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the LICENSE file, which can be found at the root of the source code
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# distribution tree, or in https://www.hdfgroup.org/licenses.
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# If you do not have access to either file, you may request a copy from
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# help@hdfgroup.org.
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#
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# -----------------------------------------------------------------------------
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# HDF5 CMake Zlib(-ng) Support Configuration
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# -----------------------------------------------------------------------------
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# This CMake module configures support for zlib in HDF5. It provides options
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# for enabling/disabling zlib(-ng) support, selecting static/shared builds, and
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# controlling how zlib(-ng) is found or built (from system-installed libraries,
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# from local source code on the system, or externally via the GIT/TGZ options
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# for HDF5_ALLOW_EXTERNAL_SUPPORT).
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# -----------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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# the FetchContent module is needed for building compression libraries from source
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# -----------------------------------------------------------------------------
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include (FetchContent)
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# -----------------------------------------------------------------------------
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# Specify major options at the top of the file
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# -----------------------------------------------------------------------------
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cmake_dependent_option (HDF5_USE_ZLIB_NG "Use zlib-ng library as zlib library" OFF HDF5_ENABLE_ZLIB_SUPPORT OFF)
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cmake_dependent_option (HDF5_USE_ZLIB_STATIC "Find static zlib library" OFF HDF5_ENABLE_ZLIB_SUPPORT OFF)
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cmake_dependent_option (HDF5_MODULE_MODE_ZLIB "Prefer module mode to find ZLIB" ON "HDF5_ENABLE_ZLIB_SUPPORT;NOT ZLIB_USE_EXTERNAL;NOT HDF5_USE_ZLIB_NG" OFF)
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mark_as_advanced (HDF5_MODULE_MODE_ZLIB)
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cmake_dependent_option (ZLIB_USE_EXTERNAL "Use External Library Building for ZLIB" OFF HDF5_ENABLE_ZLIB_SUPPORT OFF)
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mark_as_advanced (ZLIB_USE_EXTERNAL)
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cmake_dependent_option (ZLIB_USE_LOCALCONTENT "Use local file for ZLIB FetchContent" OFF HDF5_ENABLE_ZLIB_SUPPORT OFF)
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mark_as_advanced (ZLIB_USE_LOCALCONTENT)
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#-----------------------------------------------------------------------------
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# ZLib support
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#-----------------------------------------------------------------------------
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# Function to find zlib on the system with find_package()
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function (system_zlib_library)
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set (ZLIB_FOUND FALSE)
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# Set package name for zlib if not already set
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if (NOT DEFINED ZLIB_PACKAGE_NAME)
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set (ZLIB_PACKAGE_NAME "zlib")
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endif ()
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set (Z_PACKAGE_NAME ${ZLIB_PACKAGE_NAME}${HDF_PACKAGE_EXT})
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string (TOUPPER "${Z_PACKAGE_NAME}" Z_PACKAGE_NAME_TOUPPER)
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message (VERBOSE "Filter zlib package name: ${Z_PACKAGE_NAME}")
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if (HDF5_MODULE_MODE_ZLIB)
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# Find Zlib (shared or static) via FindZLIB.cmake
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set (ZLIB_USE_STATIC_LIBS ${HDF5_USE_ZLIB_STATIC})
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find_package (ZLIB MODULE)
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else ()
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# Expect that a correctly built library with CMake config files is available
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if (HDF5_USE_ZLIB_STATIC)
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set (ZLIB_SEARCH_TYPE "static")
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else ()
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set (ZLIB_SEARCH_TYPE "shared")
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endif ()
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find_package (ZLIB NAMES "${Z_PACKAGE_NAME_TOUPPER}" "${Z_PACKAGE_NAME}" CONFIG OPTIONAL_COMPONENTS ${ZLIB_SEARCH_TYPE})
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endif ()
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if (ZLIB_FOUND)
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set (H5_ZLIB_HEADER "zlib.h" PARENT_SCOPE)
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set (H5_ZLIB_INCLUDE_DIR_GEN ${ZLIB_INCLUDE_DIR} PARENT_SCOPE)
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set (H5_ZLIB_INCLUDE_DIRS ${H5_ZLIB_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIR} PARENT_SCOPE)
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set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ZLIB::ZLIB PARENT_SCOPE)
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set (H5_ZLIB_FOUND TRUE PARENT_SCOPE)
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endif ()
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endfunction ()
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# Function to retrieve zlib from external source (if necessary) and add it to
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# the build process
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#
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# NOTE: This function does NOT patch upstream zlib and will need maintenance for
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# any changes in the CMake target names, installed configuration files, etc. in new
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# releases.
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function (external_zlib_library)
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if (NOT HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT|TGZ")
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message (FATAL_ERROR "HDF5_ALLOW_EXTERNAL_SUPPORT must be 'GIT' or 'TGZ' when ZLIB_USE_EXTERNAL is ON (Current setting: ${HDF5_ALLOW_EXTERNAL_SUPPORT})")
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endif ()
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# Setup for FetchContent
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if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT")
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if (ZLIB_USE_LOCALCONTENT)
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message (FATAL_ERROR "HDF5_ALLOW_EXTERNAL_SUPPORT '${HDF5_ALLOW_EXTERNAL_SUPPORT}' and ZLIB_USE_LOCALCONTENT options are mutually exclusive")
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endif ()
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set (ZLIB_URL ${ZLIB_GIT_URL})
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if (DEFINED ZLIB_GIT_BRANCH)
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# ZLIB_GIT_BRANCH is deprecated, but still available
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set (ZLIB_TAG ${ZLIB_GIT_BRANCH})
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else ()
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set (ZLIB_TAG ${ZLIB_GIT_TAG})
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endif ()
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message (STATUS "Filter zlib will be built from source ${ZLIB_URL} (tag ${ZLIB_TAG})")
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# Instruct FetchContent to retrieve ZLIB from GIT
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FetchContent_Declare (HDF5_ZLIB
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GIT_REPOSITORY ${ZLIB_URL}
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GIT_TAG ${ZLIB_TAG}
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)
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else () # HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ"
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if (NOT DEFINED TGZPATH)
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set (TGZPATH ${HDF5_SOURCE_DIR})
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endif ()
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if (ZLIB_USE_LOCALCONTENT)
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# Use specified zlib .tgz file from system
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set (ZLIB_URL ${TGZPATH}/${ZLIB_TGZ_NAME})
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else ()
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# Use zlib .tgz file ZLIB_TGZ_NAME downloaded from base URL ZLIB_TGZ_ORIGPATH
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set (ZLIB_URL ${ZLIB_TGZ_ORIGPATH}/${ZLIB_TGZ_NAME})
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endif ()
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if (ZLIB_USE_LOCALCONTENT AND NOT EXISTS "${ZLIB_URL}")
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message (FATAL_ERROR "Filter zlib file ${ZLIB_URL} not found (try setting TGZPATH to a directory containing ${ZLIB_TGZ_NAME})")
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endif ()
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message (STATUS "Filter zlib will be built from source ${ZLIB_URL}")
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# Instruct FetchContent to retrieve ZLIB from .tgz file
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FetchContent_Declare (HDF5_ZLIB
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URL ${ZLIB_URL}
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URL_HASH ""
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)
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endif ()
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# Set zlib shared/static library building based off of preference variable
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if (HDF5_USE_ZLIB_STATIC)
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set (BUILD_SHARED_LIBS OFF)
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set (ZLIB_BUILD_SHARED OFF)
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set (BUILD_STATIC_LIBS ON)
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set (ZLIB_BUILD_STATIC ON)
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else ()
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set (BUILD_SHARED_LIBS ON)
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set (ZLIB_BUILD_SHARED ON)
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set (BUILD_STATIC_LIBS OFF)
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set (ZLIB_BUILD_STATIC OFF)
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endif ()
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# Set zlib options for build
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set (CMAKE_INSTALL_BINDIR ${${HDF5_PACKAGE_NAME}_INSTALL_BIN_DIR})
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set (CMAKE_INSTALL_LIBDIR ${${HDF5_PACKAGE_NAME}_INSTALL_LIB_DIR})
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set (CMAKE_INSTALL_INCLUDEDIR ${${HDF5_PACKAGE_NAME}_INSTALL_INCLUDE_DIR})
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set (CMAKE_INSTALL_DOCDIR ${${HDF5_PACKAGE_NAME}_INSTALL_DOC_DIR})
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set (ZLIB_BUILD_TESTING OFF)
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set (ZLIB_INSTALL ON)
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# Set variables for use in HDF5 CMake configuration file when locating
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# the installed CMake files, as they may not be in the same location as
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# our targets file
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set (${HDF5_PACKAGE_NAME}_ZLIB_INSTALL_NAME "zlib")
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set (${HDF5_PACKAGE_NAME}_ZLIB_INSTALL_NAME "zlib" PARENT_SCOPE)
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set (${HDF5_PACKAGE_NAME}_ZLIB_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${${HDF5_PACKAGE_NAME}_ZLIB_INSTALL_NAME}" PARENT_SCOPE)
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if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR NOT ZLIB_USE_LOCALCONTENT)
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message (VERBOSE "Fetching and configuring filter zlib")
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else ()
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message (VERBOSE "Configuring filter zlib")
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endif ()
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# Make zlib available for the build
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FetchContent_MakeAvailable (HDF5_ZLIB)
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# Hide zlib-ng-specific items from the GUI by default
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mark_as_advanced (ZLIB_BUILD_ADA)
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mark_as_advanced (ZLIB_BUILD_BLAST)
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mark_as_advanced (ZLIB_BUILD_IOSTREAM3)
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mark_as_advanced (ZLIB_BUILD_MINIZIP)
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mark_as_advanced (ZLIB_BUILD_PUFF)
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mark_as_advanced (ZLIB_BUILD_SHARED)
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mark_as_advanced (ZLIB_BUILD_STATIC)
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mark_as_advanced (ZLIB_BUILD_TESTING)
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mark_as_advanced (ZLIB_INSTALL)
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mark_as_advanced (ZLIB_WITH_CRC32VX)
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mark_as_advanced (ZLIB_WITH_GVMAT64)
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mark_as_advanced (ZLIB_WITH_INFBACK9)
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# Set expected target names, based on shared/static preference
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# NOTE: These must be maintained with new releases of upstream zlib in
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# order to avoid having to patch the source when exporting targets.
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if (HDF5_USE_ZLIB_STATIC)
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set (zlib_targets ZLIB::ZLIBSTATIC)
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else ()
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set (zlib_targets ZLIB::ZLIB)
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endif ()
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foreach (zlib_target ${zlib_targets})
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if (NOT TARGET ${zlib_target})
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message (FATAL_ERROR "Expected target ${zlib_target} is missing from build of external zlib")
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endif ()
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endforeach ()
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# Optionally add namespace alias for base non-aliased targets
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if (HDF5_USE_ZLIB_STATIC)
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set (zlib_base_target zlibstatic)
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else ()
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set (zlib_base_target zlib)
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endif ()
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if (HDF_PACKAGE_NAMESPACE AND NOT TARGET ${HDF_PACKAGE_NAMESPACE}${zlib_base_target})
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add_library (${HDF_PACKAGE_NAMESPACE}${zlib_base_target} ALIAS ${zlib_base_target})
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endif ()
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set (H5_ZLIB_HEADER "zlib.h" PARENT_SCOPE)
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# Set include directories for generated and source headers
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set (H5_ZLIB_INCLUDE_DIR_GEN "${hdf5_zlib_BINARY_DIR}" PARENT_SCOPE)
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set (H5_ZLIB_INCLUDE_DIR "${hdf5_zlib_SOURCE_DIR}" PARENT_SCOPE)
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set (H5_ZLIB_INCLUDE_DIRS ${H5_ZLIB_INCLUDE_DIR_GEN} ${H5_ZLIB_INCLUDE_DIR} PARENT_SCOPE)
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set (H5_ZLIB_LIBRARY "${HDF_PACKAGE_NAMESPACE}${zlib_base_target}")
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set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${H5_ZLIB_LIBRARY} PARENT_SCOPE)
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# If built as a sub-project or if cross-compiling, export all exported
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# targets to the build tree. Append to main targets file but keep
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# namespace from upstream.
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if (HDF5_EXTERNALLY_CONFIGURED OR CMAKE_CROSSCOMPILING)
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# NOTE: The export namespace should be maintained with upstream zlib
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export (
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TARGETS ${zlib_base_target}
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FILE ${HDF5_PACKAGE}${HDF_PACKAGE_EXT}-targets.cmake
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NAMESPACE ZLIB::
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APPEND
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)
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endif ()
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set (H5_ZLIB_FOUND TRUE PARENT_SCOPE)
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endfunction ()
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# Main logic for zlib support
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if (HDF5_ENABLE_ZLIB_SUPPORT AND NOT HDF5_USE_ZLIB_NG)
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set (H5_ZLIB_FOUND FALSE)
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if (H5_ZLIB_HEADER)
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# This project is being called from within another and ZLib is already configured
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set (H5_ZLIB_FOUND TRUE)
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elseif (NOT ZLIB_USE_EXTERNAL)
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# Find zlib on the system
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system_zlib_library ()
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else ()
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# Retrieve zlib from external source (if necessary) and add it to the build process
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# Note that in this case "external" could also mean a local .tgz file on the system
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external_zlib_library ()
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endif ()
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if (H5_ZLIB_FOUND)
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# Set variables used later on in build process
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set (H5_HAVE_FILTER_DEFLATE 1)
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set (H5_HAVE_ZLIB_H 1)
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set (H5_HAVE_LIBZ 1)
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set (HDF5_COMP_INCLUDE_DIRECTORIES "${HDF5_COMP_INCLUDE_DIRECTORIES};${H5_ZLIB_INCLUDE_DIRS}")
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# Set variables for libhdf5.settings (and the H5build_settings string)
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list (APPEND SETTINGS_EXTERNAL_FILTERS "DEFLATE(ZLIB)")
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message (VERBOSE "Filter zlib is ON; H5_ZLIB_HEADER=${H5_ZLIB_HEADER}")
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else ()
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if (ZLIB_USE_EXTERNAL)
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message (FATAL_ERROR "External support for zlib in HDF5 was enabled, but couldn't be processed")
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else ()
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message (FATAL_ERROR "Support for zlib in HDF5 was enabled, but zlib couldn't be found")
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# ZLib-ng support
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#-----------------------------------------------------------------------------
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# Function to find zlib-ng on the system with find_package()
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function (system_zlib_ng_library)
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set (ZLIB_FOUND FALSE)
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# Set package name for zlib-ng if not already set
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if (NOT DEFINED ZLIBNG_PACKAGE_NAME)
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set (ZLIBNG_PACKAGE_NAME "ZLIBNG")
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endif ()
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set (Z_PACKAGE_NAME ${ZLIBNG_PACKAGE_NAME}${HDF_PACKAGE_EXT})
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message (VERBOSE "Filter zlib-ng package name: ${Z_PACKAGE_NAME}")
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if (HDF5_USE_ZLIB_STATIC)
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set (ZLIBNG_SEARCH_TYPE "static")
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else ()
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set (ZLIBNG_SEARCH_TYPE "shared")
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endif ()
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set (ZLIBNG_USE_STATIC_LIBS ${HDF5_USE_ZLIB_STATIC})
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# If the package name is left as the default "ZLIBNG", start with our own
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# FindZLIBNG.cmake module that prefers a CONFIG find mode if possible and
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# falls back to MODULE find mode if necessary. This allows locating zlib-ng
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# installations that were built with Autotools, as CMake doesn't currently
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# have a FindZLIBNG module and will only locate CMake-built installations.
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# Note that the default package name is ZLIBNG to not conflict with the
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# actual CMake package name of "zlib-ng". This way, ZLIBNG_PACKAGE_NAME can
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# still be specified as "zlib-ng" to avoid our custom module if desired.
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find_package (${ZLIBNG_PACKAGE_NAME} OPTIONAL_COMPONENTS "${ZLIBNG_SEARCH_TYPE}")
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if (${${ZLIBNG_PACKAGE_NAME}_FOUND})
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if (NOT ${ZLIBNG_PACKAGE_NAME}_ZLIB_COMPAT)
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set (H5_ZLIB_HEADER "zlib-ng.h" PARENT_SCOPE)
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else ()
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set (H5_ZLIB_HEADER "zlib.h" PARENT_SCOPE)
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message (VERBOSE "zlib-ng was built with zlib compatibility")
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endif ()
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set (${ZLIBNG_PACKAGE_NAME}_ZLIB_COMPAT ${${ZLIBNG_PACKAGE_NAME}_ZLIB_COMPAT} PARENT_SCOPE)
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set (H5_ZLIB_INCLUDE_DIR_GEN ${ZLIBNG_INCLUDE_DIRS} PARENT_SCOPE)
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set (H5_ZLIB_INCLUDE_DIRS ${H5_ZLIB_INCLUDE_DIRS} ${ZLIBNG_INCLUDE_DIRS} PARENT_SCOPE)
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if (NOT ZLIBNG_ZLIB_COMPAT)
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if (ZLIBNG_USE_STATIC_LIBS)
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set (_zlibng_target_name "zlib-ng::zlibstatic")
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else ()
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set (_zlibng_target_name "zlib-ng::zlib")
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endif ()
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else ()
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if (ZLIBNG_USE_STATIC_LIBS)
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set (_zlibng_target_name "ZLIB::zlibstatic")
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else ()
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set (_zlibng_target_name "ZLIB::ZLIB")
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endif ()
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endif ()
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if (TARGET ${_zlibng_target_name})
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set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${_zlibng_target_name} PARENT_SCOPE)
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set (H5_ZLIB_FOUND TRUE PARENT_SCOPE)
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else ()
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set (H5_ZLIB_FOUND FALSE PARENT_SCOPE)
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endif ()
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endif ()
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endfunction ()
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# Function to retrieve zlib-ng from external source (if necessary) and add it to
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# the build process
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#
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# NOTE: This function does NOT patch upstream zlib-ng and will need maintenance for
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# any changes in the CMake target names, installed configuration files, etc. in new
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# releases.
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function (external_zlib_ng_library)
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if (NOT HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT|TGZ")
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message (FATAL_ERROR "HDF5_ALLOW_EXTERNAL_SUPPORT must be 'GIT' or 'TGZ' when ZLIB_USE_EXTERNAL is ON (Current setting: ${HDF5_ALLOW_EXTERNAL_SUPPORT})")
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endif ()
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# Setup for FetchContent
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if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT")
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if (ZLIB_USE_LOCALCONTENT)
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message (FATAL_ERROR "HDF5_ALLOW_EXTERNAL_SUPPORT '${HDF5_ALLOW_EXTERNAL_SUPPORT}' and ZLIB_USE_LOCALCONTENT options are mutually exclusive")
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endif ()
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set (ZLIBNG_URL ${ZLIBNG_GIT_URL})
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if (DEFINED ZLIBNG_GIT_BRANCH)
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# ZLIBNG_GIT_BRANCH is deprecated, but still available
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set (ZLIBNG_TAG ${ZLIBNG_GIT_BRANCH})
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else ()
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set (ZLIBNG_TAG ${ZLIBNG_GIT_TAG})
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endif ()
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message (STATUS "Filter zlib-ng will be built from source ${ZLIBNG_URL} (tag ${ZLIBNG_TAG})")
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# Instruct FetchContent to retrieve zlib-ng from GIT
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FetchContent_Declare (HDF5_ZLIB
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GIT_REPOSITORY ${ZLIBNG_URL}
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GIT_TAG ${ZLIBNG_TAG}
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)
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else () # HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ"
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if (NOT DEFINED TGZPATH)
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set (TGZPATH ${HDF5_SOURCE_DIR})
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endif ()
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if (ZLIB_USE_LOCALCONTENT)
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# Use specified zlib-ng .tgz file from system
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set (ZLIBNG_URL ${TGZPATH}/${ZLIBNG_TGZ_NAME})
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else ()
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# Use zlib-ng .tgz file ZLIBNG_TGZ_NAME downloaded from base URL ZLIBNG_TGZ_ORIGPATH
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set (ZLIBNG_URL ${ZLIBNG_TGZ_ORIGPATH}/${ZLIBNG_TGZ_NAME})
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endif ()
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if (ZLIB_USE_LOCALCONTENT AND NOT EXISTS "${ZLIBNG_URL}")
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message (FATAL_ERROR "Filter zlib-ng file ${ZLIBNG_URL} not found (try setting TGZPATH to a directory containing ${ZLIBNG_TGZ_NAME})")
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endif ()
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message (STATUS "Filter zlib-ng will be built from source ${ZLIBNG_URL}")
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# Instruct FetchContent to retrieve zlib-ng from .tgz file
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FetchContent_Declare (HDF5_ZLIB
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URL ${ZLIBNG_URL}
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URL_HASH ""
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)
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endif ()
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# Set zlib-ng shared/static library building based off of preference variable
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if (HDF5_USE_ZLIB_STATIC)
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set (BUILD_SHARED_LIBS OFF)
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set (BUILD_STATIC_LIBS ON)
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else ()
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set (BUILD_SHARED_LIBS ON)
|
|
set (BUILD_STATIC_LIBS OFF)
|
|
endif ()
|
|
|
|
# Set zlib-ng options for build
|
|
set (CMAKE_INSTALL_BINDIR ${${HDF5_PACKAGE_NAME}_INSTALL_BIN_DIR})
|
|
set (CMAKE_INSTALL_LIBDIR ${${HDF5_PACKAGE_NAME}_INSTALL_LIB_DIR})
|
|
set (CMAKE_INSTALL_INCLUDEDIR ${${HDF5_PACKAGE_NAME}_INSTALL_INCLUDE_DIR})
|
|
set (BUILD_TESTING OFF)
|
|
|
|
# Set variables for use in HDF5 CMake configuration file when locating
|
|
# the installed targets file, as it may not be in the same location as
|
|
# our targets file
|
|
if (ZLIB_COMPAT)
|
|
set (${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_NAME "ZLIB")
|
|
set (${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_NAME "ZLIB" PARENT_SCOPE)
|
|
set (${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_NAME}" PARENT_SCOPE)
|
|
else ()
|
|
set (${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_NAME "zlib-ng")
|
|
set (${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_NAME "zlib-ng" PARENT_SCOPE)
|
|
set (${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${${HDF5_PACKAGE_NAME}_ZLIBNG_INSTALL_NAME}" PARENT_SCOPE)
|
|
endif ()
|
|
|
|
if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR NOT ZLIB_USE_LOCALCONTENT)
|
|
message (VERBOSE "Fetching and configuring filter zlib-ng")
|
|
else ()
|
|
message (VERBOSE "Configuring filter zlib-ng")
|
|
endif ()
|
|
|
|
# Make zlib-ng available for the build
|
|
FetchContent_MakeAvailable (HDF5_ZLIB)
|
|
|
|
# Hide zlib-ng-specific items from the GUI by default
|
|
mark_as_advanced (WITH_AVX512)
|
|
mark_as_advanced (WITH_AVX512VNNI)
|
|
mark_as_advanced (WITH_BENCHMARKS)
|
|
mark_as_advanced (WITH_BENCHMARK_APPS)
|
|
mark_as_advanced (WITH_CODE_COVERAGE)
|
|
mark_as_advanced (WITH_FUZZERS)
|
|
mark_as_advanced (WITH_GTEST)
|
|
mark_as_advanced (WITH_GZFILEOP)
|
|
mark_as_advanced (WITH_MAINTAINER_WARNINGS)
|
|
mark_as_advanced (WITH_NATIVE_INSTRUCTIONS)
|
|
mark_as_advanced (WITH_NEW_STRATEGIES)
|
|
mark_as_advanced (WITH_OPTIM)
|
|
mark_as_advanced (WITH_RUNTIME_CPU_DETECTION)
|
|
mark_as_advanced (WITH_SANITIZER)
|
|
mark_as_advanced (WITH_VPCLMULQDQ)
|
|
mark_as_advanced (ZLIB_ALIASES)
|
|
mark_as_advanced (ZLIB_COMPAT)
|
|
|
|
# Set expected target names, based on shared/static preference
|
|
# NOTE: These must be maintained with new releases of upstream zlib-ng in
|
|
# order to avoid having to patch the source when exporting targets.
|
|
if (HDF5_USE_ZLIB_STATIC)
|
|
set (zlib_ng_targets zlib-ng-static)
|
|
else ()
|
|
set (zlib_ng_targets zlib-ng)
|
|
endif ()
|
|
foreach (zlib_ng_target ${zlib_ng_targets})
|
|
if (NOT TARGET ${zlib_ng_target})
|
|
message (FATAL_ERROR "Expected target ${zlib_ng_target} is missing from build of external zlib-ng")
|
|
endif ()
|
|
endforeach ()
|
|
|
|
# Optionally add namespace alias for targets
|
|
if (HDF_PACKAGE_NAMESPACE)
|
|
foreach (zlib_ng_target ${zlib_ng_targets})
|
|
if (NOT TARGET ${HDF_PACKAGE_NAMESPACE}${zlib_ng_target})
|
|
add_library (${HDF_PACKAGE_NAMESPACE}${zlib_ng_target} ALIAS ${zlib_ng_target})
|
|
endif ()
|
|
endforeach ()
|
|
endif ()
|
|
|
|
# Set the correct header for zlib-ng compatibility
|
|
if (ZLIB_COMPAT)
|
|
set (H5_ZLIB_HEADER "zlib.h" PARENT_SCOPE)
|
|
else ()
|
|
set (H5_ZLIB_HEADER "zlib-ng.h" PARENT_SCOPE)
|
|
endif ()
|
|
|
|
# Set include directories for generated and source headers
|
|
set (H5_ZLIB_INCLUDE_DIR_GEN "${hdf5_zlib_BINARY_DIR}" PARENT_SCOPE)
|
|
set (H5_ZLIB_INCLUDE_DIR "${hdf5_zlib_SOURCE_DIR}" PARENT_SCOPE)
|
|
set (H5_ZLIB_INCLUDE_DIRS ${H5_ZLIB_INCLUDE_DIR_GEN} ${H5_ZLIB_INCLUDE_DIR} PARENT_SCOPE)
|
|
|
|
if (HDF5_USE_ZLIB_STATIC)
|
|
set (H5_ZLIB_LIBRARY "${HDF_PACKAGE_NAMESPACE}zlib-ng-static")
|
|
else ()
|
|
set (H5_ZLIB_LIBRARY "${HDF_PACKAGE_NAMESPACE}zlib-ng")
|
|
endif ()
|
|
set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${H5_ZLIB_LIBRARY} PARENT_SCOPE)
|
|
|
|
# If built as a sub-project or if cross-compiling, export all exported
|
|
# targets to the build tree. Append to main targets file but keep
|
|
# namespace from upstream.
|
|
if (HDF5_EXTERNALLY_CONFIGURED OR CMAKE_CROSSCOMPILING)
|
|
# NOTE: The export namespace should be maintained with upstream zlib-ng
|
|
if (ZLIB_COMPAT)
|
|
set (zlib_ng_export_name ZLIB)
|
|
else ()
|
|
set (zlib_ng_export_name zlib-ng)
|
|
endif ()
|
|
export (
|
|
TARGETS ${zlib_ng_targets}
|
|
FILE ${HDF5_PACKAGE}${HDF_PACKAGE_EXT}-targets.cmake
|
|
NAMESPACE ${zlib_ng_export_name}::
|
|
APPEND
|
|
)
|
|
endif ()
|
|
|
|
set (H5_ZLIB_FOUND TRUE PARENT_SCOPE)
|
|
endfunction ()
|
|
|
|
# Main logic for zlib-ng support
|
|
if (HDF5_ENABLE_ZLIB_SUPPORT AND HDF5_USE_ZLIB_NG)
|
|
set (H5_ZLIB_FOUND FALSE)
|
|
|
|
if (HDF5_MODULE_MODE_ZLIB)
|
|
message (FATAL_ERROR "HDF5_USE_ZLIB_NG and HDF5_MODULE_MODE_ZLIB options are mutually exclusive")
|
|
endif ()
|
|
|
|
if (H5_ZLIB_HEADER)
|
|
# This project is being called from within another and ZLib is already configured
|
|
set (H5_ZLIB_FOUND TRUE)
|
|
elseif (NOT ZLIB_USE_EXTERNAL)
|
|
# Find zlib-ng on the system
|
|
system_zlib_ng_library ()
|
|
else ()
|
|
# Retrieve zlib-ng from external source (if necessary) and add it to the build process
|
|
# Note that in this case "external" could also mean a local .tgz file on the system
|
|
external_zlib_ng_library ()
|
|
endif ()
|
|
|
|
if (H5_ZLIB_FOUND)
|
|
# Set variables used later on in build process
|
|
set (H5_HAVE_FILTER_DEFLATE 1)
|
|
set (H5_HAVE_ZLIB_H 1)
|
|
if (NOT ZLIB_COMPAT AND NOT ZLIBNG_ZLIB_COMPAT)
|
|
set (H5_HAVE_ZLIBNG_H 1)
|
|
endif ()
|
|
set (H5_HAVE_LIBZ 1)
|
|
set (HDF5_COMP_INCLUDE_DIRECTORIES "${HDF5_COMP_INCLUDE_DIRECTORIES};${H5_ZLIB_INCLUDE_DIRS}")
|
|
|
|
# Set variables for libhdf5.settings (and the H5build_settings string)
|
|
if (ZLIB_COMPAT OR ZLIBNG_ZLIB_COMPAT)
|
|
list (APPEND SETTINGS_EXTERNAL_FILTERS "DEFLATE(ZLIB-NG WITH ZLIB COMPAT MODE)")
|
|
else ()
|
|
list (APPEND SETTINGS_EXTERNAL_FILTERS "DEFLATE(ZLIB-NG)")
|
|
endif ()
|
|
|
|
message (VERBOSE "Filter zlib-ng is ON; H5_ZLIB_HEADER=${H5_ZLIB_HEADER}")
|
|
else ()
|
|
if (ZLIB_USE_EXTERNAL)
|
|
message (FATAL_ERROR "External support for zlib-ng in HDF5 was enabled, but couldn't be processed")
|
|
else ()
|
|
message (FATAL_ERROR "Support for zlib-ng in HDF5 was enabled, but zlib-ng couldn't be found")
|
|
endif ()
|
|
endif ()
|
|
endif ()
|