deps/libchdr/deps/zstd-1.5.6/build/cmake/CMakeLists.txt

   1 # ################################################################
   2 # Copyright (c) Meta Platforms, Inc. and affiliates.
   3 # All rights reserved.
   4 #
   5 # This source code is licensed under both the BSD-style license (found in the
   6 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
   7 # in the COPYING file in the root directory of this source tree).
   8 # ################################################################
   9
  10 cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
  11
  12 # As of 2018-12-26 ZSTD has been validated to build with cmake version 3.13.2 new policies.
  13 # Set and use the newest cmake policies that are validated to work
  14 set(ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION "3")
  15 set(ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION "13") #Policies never changed at PATCH level
  16 if("${ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION}" EQUAL "${CMAKE_MAJOR_VERSION}" AND
  17        "${ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION}" GREATER "${CMAKE_MINOR_VERSION}")
  18     set(ZSTD_CMAKE_POLICY_VERSION "${CMAKE_VERSION}")
  19 else()
  20     set(ZSTD_CMAKE_POLICY_VERSION "${ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION}.${ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION}.0")
  21 endif()
  22 cmake_policy(VERSION ${ZSTD_CMAKE_POLICY_VERSION})
  23
  24 set(CMAKE_BUILD_WITH_INSTALL_RPATH on)
  25
  26 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
  27 set(ZSTD_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
  28 set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
  29 # Parse version
  30 include(GetZstdLibraryVersion)
  31 GetZstdLibraryVersion(${LIBRARY_DIR}/zstd.h zstd_VERSION_MAJOR zstd_VERSION_MINOR zstd_VERSION_PATCH)
  32
  33 project(zstd
  34   VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}"
  35   LANGUAGES C   # Main library is in C
  36             ASM # And ASM
  37             CXX # Testing contributed code also utilizes CXX
  38   )
  39
  40 message(STATUS "ZSTD VERSION: ${zstd_VERSION}")
  41 set(zstd_HOMEPAGE_URL "https://facebook.github.io/zstd")
  42 set(zstd_DESCRIPTION  "Zstandard is a real-time compression algorithm, providing high compression ratios.")
  43
  44 # Set a default build type if none was specified
  45 if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  46   message(STATUS "Setting build type to 'Release' as none was specified.")
  47   set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
  48   # Set the possible values of build type for cmake-gui
  49   set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
  50 endif()
  51
  52 include(GNUInstallDirs)
  53
  54 #-----------------------------------------------------------------------------
  55 # Add extra compilation flags
  56 #-----------------------------------------------------------------------------
  57 include(AddZstdCompilationFlags)
  58 ADD_ZSTD_COMPILATION_FLAGS()
  59
  60 # Always hide XXHash symbols
  61 add_definitions(-DXXH_NAMESPACE=ZSTD_)
  62
  63 #-----------------------------------------------------------------------------
  64 # Installation variables
  65 #-----------------------------------------------------------------------------
  66 message(STATUS "CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}")
  67 message(STATUS "CMAKE_INSTALL_LIBDIR: ${CMAKE_INSTALL_LIBDIR}")
  68
  69 #-----------------------------------------------------------------------------
  70 # Options
  71 #-----------------------------------------------------------------------------
  72
  73 # Legacy support
  74 option(ZSTD_LEGACY_SUPPORT "LEGACY SUPPORT" ON)
  75
  76 if (ZSTD_LEGACY_SUPPORT)
  77     message(STATUS "ZSTD_LEGACY_SUPPORT defined!")
  78     set(ZSTD_LEGACY_LEVEL 5 CACHE STRING "")
  79     add_definitions(-DZSTD_LEGACY_SUPPORT=${ZSTD_LEGACY_LEVEL})
  80 else ()
  81     message(STATUS "ZSTD_LEGACY_SUPPORT not defined!")
  82     add_definitions(-DZSTD_LEGACY_SUPPORT=0)
  83 endif ()
  84
  85 if (ANDROID)
  86     set(ZSTD_MULTITHREAD_SUPPORT_DEFAULT OFF)
  87 else()
  88     set(ZSTD_MULTITHREAD_SUPPORT_DEFAULT ON)
  89 endif()
  90
  91 # Multi-threading support
  92 option(ZSTD_MULTITHREAD_SUPPORT "MULTITHREADING SUPPORT" ${ZSTD_MULTITHREAD_SUPPORT_DEFAULT})
  93
  94 if (ZSTD_MULTITHREAD_SUPPORT)
  95     message(STATUS "ZSTD_MULTITHREAD_SUPPORT is enabled")
  96 else ()
  97     message(STATUS "ZSTD_MULTITHREAD_SUPPORT is disabled")
  98 endif ()
  99
 100 option(ZSTD_BUILD_PROGRAMS "BUILD PROGRAMS" ON)
 101 option(ZSTD_BUILD_CONTRIB "BUILD CONTRIB" OFF)
 102
 103 # Respect the conventional CMake option for enabling tests if it was specified on the first configure
 104 if (BUILD_TESTING)
 105     set(ZSTD_BUILD_TESTS_default ON)
 106 else()
 107     set(ZSTD_BUILD_TESTS_default OFF)
 108 endif()
 109 option(ZSTD_BUILD_TESTS "BUILD TESTS" ${ZSTD_BUILD_TESTS_default})
 110 if (MSVC)
 111     option(ZSTD_USE_STATIC_RUNTIME "LINK TO STATIC RUN-TIME LIBRARIES" OFF)
 112 endif ()
 113
 114 #-----------------------------------------------------------------------------
 115 # External dependencies
 116 #-----------------------------------------------------------------------------
 117 # Define a function to handle special thread settings for HP-UX
 118 # See https://github.com/facebook/zstd/pull/3862 for details.
 119 function(setup_hpux_threads)
 120     find_package(Threads)
 121     if (NOT Threads_FOUND)
 122         set(CMAKE_USE_PTHREADS_INIT 1 PARENT_SCOPE)
 123         set(CMAKE_THREAD_LIBS_INIT -lpthread PARENT_SCOPE)
 124         set(CMAKE_HAVE_THREADS_LIBRARY 1 PARENT_SCOPE)
 125         set(Threads_FOUND TRUE PARENT_SCOPE)
 126     endif()
 127 endfunction()
 128
 129 if (ZSTD_MULTITHREAD_SUPPORT AND UNIX)
 130     if (CMAKE_SYSTEM_NAME MATCHES "HP-UX")
 131         setup_hpux_threads()
 132     else()
 133         set(THREADS_PREFER_PTHREAD_FLAG ON)
 134         find_package(Threads REQUIRED)
 135     endif()
 136     if (CMAKE_USE_PTHREADS_INIT)
 137         set(THREADS_LIBS "${CMAKE_THREAD_LIBS_INIT}")
 138     else()
 139         message(SEND_ERROR "ZSTD currently does not support thread libraries other than pthreads")
 140     endif()
 141 endif ()
 142
 143 #-----------------------------------------------------------------------------
 144 # Add source directories
 145 #-----------------------------------------------------------------------------
 146 add_subdirectory(lib)
 147
 148 option(ZSTD_PROGRAMS_LINK_SHARED "PROGRAMS LINK SHARED" OFF)
 149
 150 if (ZSTD_BUILD_PROGRAMS)
 151     if (NOT ZSTD_BUILD_STATIC AND NOT ZSTD_PROGRAMS_LINK_SHARED)
 152         message(SEND_ERROR "You need to build static library to build zstd CLI")
 153     elseif(NOT ZSTD_BUILD_SHARED AND ZSTD_PROGRAMS_LINK_SHARED)
 154         message(SEND_ERROR "You need to build shared library to build zstd CLI")
 155     endif ()
 156
 157     add_subdirectory(programs)
 158 endif ()
 159
 160 if (ZSTD_BUILD_TESTS)
 161     enable_testing()
 162     if (NOT ZSTD_BUILD_STATIC)
 163         message(SEND_ERROR "You need to build static library to build tests")
 164     endif ()
 165
 166     add_subdirectory(tests)
 167 endif ()
 168
 169 if (ZSTD_BUILD_CONTRIB)
 170     add_subdirectory(contrib)
 171 endif ()
 172
 173 #-----------------------------------------------------------------------------
 174 # Add clean-all target
 175 #-----------------------------------------------------------------------------
 176 add_custom_target(clean-all
 177    COMMAND ${CMAKE_BUILD_TOOL} clean
 178    COMMAND rm -rf ${CMAKE_BINARY_DIR}/
 179 )
 180
 181 #-----------------------------------------------------------------------------
 182 # Generate Package Config files
 183 #
 184 # This section is based on the boiler plate code from:
 185 # https://cmake.org/cmake/help/latest/manual/cmake-packages.7.html#creating-packages
 186 #-----------------------------------------------------------------------------
 187 include(CMakePackageConfigHelpers)
 188 write_basic_package_version_file(
 189     "${CMAKE_CURRENT_BINARY_DIR}/zstdConfigVersion.cmake"
 190     VERSION ${zstd_VERSION}
 191     COMPATIBILITY SameMajorVersion
 192     )
 193
 194 # A Package Config file that works from the build directory
 195 export(EXPORT zstdExports
 196     FILE "${CMAKE_CURRENT_BINARY_DIR}/zstdTargets.cmake"
 197     NAMESPACE zstd::
 198     )
 199
 200 # A Package Config file that works from the installation directory
 201 set(ConfigPackageLocation ${CMAKE_INSTALL_LIBDIR}/cmake/zstd)
 202 install(EXPORT zstdExports
 203     FILE zstdTargets.cmake
 204     NAMESPACE zstd::
 205     DESTINATION ${ConfigPackageLocation}
 206     )
 207 configure_package_config_file(
 208     zstdConfig.cmake.in
 209     "${CMAKE_CURRENT_BINARY_DIR}/zstdConfig.cmake"
 210     INSTALL_DESTINATION ${ConfigPackageLocation}
 211 )
 212 install(FILES
 213     "${CMAKE_CURRENT_BINARY_DIR}/zstdConfig.cmake"
 214     "${CMAKE_CURRENT_BINARY_DIR}/zstdConfigVersion.cmake"
 215     DESTINATION ${ConfigPackageLocation}
 216     )