9448a3790d
VERSION_LESS_EQUAL is only available to CMake 3.7+. This adds additional logic to check that CMAKE_MINOR_VERSION is at least 7. Fixes #1489
154 lines
5.8 KiB
CMake
154 lines
5.8 KiB
CMake
# ################################################################
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# Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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# All rights reserved.
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#
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# This source code is licensed under both the BSD-style license (found in the
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# LICENSE file in the root directory of this source tree) and the GPLv2 (found
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# in the COPYING file in the root directory of this source tree).
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# ################################################################
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cmake_minimum_required(VERSION 2.8.9 FATAL_ERROR)
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# As of 2018-12-26 ZSTD has been validated to build with cmake version 3.13.2 new policies.
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# Set and use the newest cmake policies that are validated to work
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set(ZSTD_MAX_VALIDATED_CMAKE_VERSION "3.13.2")
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if("${CMAKE_MAJOR_VERSION}" LESS 3) # Cmake version <3.7 does not understand the VERSION_LESS_EQUAL operator
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set(ZSTD_CMAKE_POLICY_VERSION "${CMAKE_VERSION}")
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elseif(("${CMAKE_MAJOR_VERSION}" EQUAL 3 AND "${CMAKE_MINOR_VERSION}" GREATER 6) OR ("${CMAKE_MAJOR_VERSION}" GREATER 3))
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if("${CMAKE_VERSION}" VERSION_LESS_EQUAL "${ZSTD_MAX_VALIDATED_CMAKE_VERSION}")
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set(ZSTD_CMAKE_POLICY_VERSION "${CMAKE_VERSION}")
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else()
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set(ZSTD_CMAKE_POLICY_VERSION "${ZSTD_MAX_VALIDATED_CMAKE_VERSION}")
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endif()
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endif()
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cmake_policy(VERSION ${ZSTD_CMAKE_POLICY_VERSION})
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
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set(ZSTD_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
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set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
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# Parse version
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include(GetZstdLibraryVersion)
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GetZstdLibraryVersion(${LIBRARY_DIR}/zstd.h zstd_VERSION_MAJOR zstd_VERSION_MINOR zstd_VERSION_PATCH)
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if( CMAKE_MAJOR_VERSION LESS 3 )
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## Provide cmake 3+ behavior for older versions of cmake
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project(zstd)
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set(PROJECT_VERSION_MAJOR ${zstd_VERSION_MAJOR})
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set(PROJECT_VERSION_MINOR ${zstd_VERSION_MINOR})
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set(PROJECT_VERSION_PATCH ${zstd_VERSION_PATCH})
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set(PROJECT_VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}")
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enable_language(C) # Main library is in C
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enable_language(CXX) # Testing contributed code also utilizes CXX
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else()
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project(zstd
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VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}"
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LANGUAGES C # Main library is in C
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CXX # Testing contributed code also utilizes CXX
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)
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endif()
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message(STATUS "ZSTD VERSION: ${zstd_VERSION}")
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set(zstd_HOMEPAGE_URL "http://www.zstd.net")
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set(zstd_DESCRIPTION "Zstandard is a real-time compression algorithm, providing high compression ratios.")
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# Set a default build type if none was specified
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to 'Release' as none was specified.")
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set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
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# Set the possible values of build type for cmake-gui
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
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endif()
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include(GNUInstallDirs)
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#-----------------------------------------------------------------------------
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# Add extra compilation flags
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#-----------------------------------------------------------------------------
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include(AddZstdCompilationFlags)
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ADD_ZSTD_COMPILATION_FLAGS()
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# Always hide XXHash symbols
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add_definitions(-DXXH_NAMESPACE=ZSTD_)
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#-----------------------------------------------------------------------------
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# Installation variables
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#-----------------------------------------------------------------------------
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message(STATUS "CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}")
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message(STATUS "CMAKE_INSTALL_LIBDIR: ${CMAKE_INSTALL_LIBDIR}")
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#-----------------------------------------------------------------------------
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# Options
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#-----------------------------------------------------------------------------
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# Legacy support
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option(ZSTD_LEGACY_SUPPORT "LEGACY SUPPORT" OFF)
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if (ZSTD_LEGACY_SUPPORT)
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message(STATUS "ZSTD_LEGACY_SUPPORT defined!")
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add_definitions(-DZSTD_LEGACY_SUPPORT=5)
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else ()
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message(STATUS "ZSTD_LEGACY_SUPPORT not defined!")
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add_definitions(-DZSTD_LEGACY_SUPPORT=0)
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endif ()
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# Multi-threading support
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option(ZSTD_MULTITHREAD_SUPPORT "MULTITHREADING SUPPORT" ON)
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if (ZSTD_MULTITHREAD_SUPPORT)
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message(STATUS "ZSTD_MULTITHREAD_SUPPORT is enabled")
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else ()
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message(STATUS "ZSTD_MULTITHREAD_SUPPORT is disabled")
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endif ()
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option(ZSTD_BUILD_PROGRAMS "BUILD PROGRAMS" ON)
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option(ZSTD_BUILD_CONTRIB "BUILD CONTRIB" OFF)
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option(ZSTD_BUILD_TESTS "BUILD TESTS" OFF)
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if (MSVC)
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option(ZSTD_USE_STATIC_RUNTIME "LINK TO STATIC RUN-TIME LIBRARIES" OFF)
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endif ()
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#-----------------------------------------------------------------------------
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# External dependencies
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#-----------------------------------------------------------------------------
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if (ZSTD_MULTITHREAD_SUPPORT AND UNIX)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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if(CMAKE_USE_PTHREADS_INIT)
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set(THREADS_LIBS "${CMAKE_THREAD_LIBS_INIT}")
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else()
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message(SEND_ERROR "ZSTD currently does not support thread libraries other than pthreads")
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endif()
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endif ()
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#-----------------------------------------------------------------------------
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# Add source directories
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#-----------------------------------------------------------------------------
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add_subdirectory(lib)
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if (ZSTD_BUILD_PROGRAMS)
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if (NOT ZSTD_BUILD_STATIC)
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message(SEND_ERROR "You need to build static library to build zstd CLI")
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endif ()
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add_subdirectory(programs)
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endif ()
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if (ZSTD_BUILD_TESTS)
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if (NOT ZSTD_BUILD_STATIC)
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message(SEND_ERROR "You need to build static library to build tests")
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endif ()
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add_subdirectory(tests)
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endif ()
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if (ZSTD_BUILD_CONTRIB)
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add_subdirectory(contrib)
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endif ()
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#-----------------------------------------------------------------------------
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# Add clean-all target
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#-----------------------------------------------------------------------------
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add_custom_target(clean-all
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COMMAND ${CMAKE_BUILD_TOOL} clean
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COMMAND rm -rf ${CMAKE_BINARY_DIR}/
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)
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