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# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# ################################################################
project(libzstd C ASM)
set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
option(ZSTD_BUILD_STATIC "BUILD STATIC LIBRARIES" ON)
option(ZSTD_BUILD_SHARED "BUILD SHARED LIBRARIES" ON)
option(ZSTD_BUILD_COMPRESSION "BUILD COMPRESSION MODULE" ON)
option(ZSTD_BUILD_DECOMPRESSION "BUILD DECOMPRESSION MODULE" ON)
option(ZSTD_BUILD_DICTBUILDER "BUILD DICTBUILDER MODULE" ON)
option(ZSTD_BUILD_DEPRECATED "BUILD DEPRECATED MODULE" OFF)
set(ZSTDLIB_VISIBLE "" CACHE STRING "Visibility for ZSTDLIB API")
set(ZSTDERRORLIB_VISIBLE "" CACHE STRING "Visibility for ZSTDERRORLIB_VISIBLE API")
set(ZDICTLIB_VISIBLE "" CACHE STRING "Visibility for ZDICTLIB_VISIBLE API")
set(ZSTDLIB_STATIC_API "" CACHE STRING "Visibility for ZSTDLIB_STATIC_API API")
set(ZDICTLIB_STATIC_API "" CACHE STRING "Visibility for ZDICTLIB_STATIC_API API")
set_property(CACHE ZSTDLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZSTDERRORLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZDICTLIB_VISIBLE PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZSTDLIB_STATIC_API PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
set_property(CACHE ZDICTLIB_STATIC_API PROPERTY STRINGS "" "hidden" "default" "protected" "internal")
if(NOT ZSTD_BUILD_SHARED AND NOT ZSTD_BUILD_STATIC)
message(SEND_ERROR "You need to build at least one flavor of libzstd")
endif()
file(GLOB CommonSources ${LIBRARY_DIR}/common/*.c)
file(GLOB CompressSources ${LIBRARY_DIR}/compress/*.c)
file(GLOB DecompressSources ${LIBRARY_DIR}/decompress/*.c)
if (MSVC)
add_compile_options(-DZSTD_DISABLE_ASM)
else ()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|AMD64.*|x86_64.*|X86_64.*")
set(DecompressSources ${DecompressSources} ${LIBRARY_DIR}/decompress/huf_decompress_amd64.S)
else()
add_compile_options(-DZSTD_DISABLE_ASM)
endif()
endif ()
file(GLOB DictBuilderSources ${LIBRARY_DIR}/dictBuilder/*.c)
file(GLOB DeprecatedSources ${LIBRARY_DIR}/deprecated/*.c)
file(GLOB PublicHeaders ${LIBRARY_DIR}/*.h)
file(GLOB CommonHeaders ${LIBRARY_DIR}/common/*.h)
file(GLOB CompressHeaders ${LIBRARY_DIR}/compress/*.h)
file(GLOB DecompressHeaders ${LIBRARY_DIR}/decompress/*.h)
file(GLOB DictBuilderHeaders ${LIBRARY_DIR}/dictBuilder/*.h)
file(GLOB DeprecatedHeaders ${LIBRARY_DIR}/deprecated/*.h)
set(Sources ${CommonSources})
set(Headers ${PublicHeaders} ${CommonHeaders})
if (ZSTD_BUILD_COMPRESSION)
set(Sources ${Sources} ${CompressSources})
set(Headers ${Headers} ${CompressHeaders})
endif()
if (ZSTD_BUILD_DECOMPRESSION)
set(Sources ${Sources} ${DecompressSources})
set(Headers ${Headers} ${DecompressHeaders})
endif()
if (ZSTD_BUILD_DICTBUILDER)
set(Sources ${Sources} ${DictBuilderSources})
set(Headers ${Headers} ${DictBuilderHeaders})
endif()
if (ZSTD_BUILD_DEPRECATED)
set(Sources ${Sources} ${DeprecatedSources})
set(Headers ${Headers} ${DeprecatedHeaders})
endif()
if (ZSTD_LEGACY_SUPPORT)
set(LIBRARY_LEGACY_DIR ${LIBRARY_DIR}/legacy)
set(Sources ${Sources}
${LIBRARY_LEGACY_DIR}/zstd_v01.c
${LIBRARY_LEGACY_DIR}/zstd_v02.c
${LIBRARY_LEGACY_DIR}/zstd_v03.c
${LIBRARY_LEGACY_DIR}/zstd_v04.c
${LIBRARY_LEGACY_DIR}/zstd_v05.c
${LIBRARY_LEGACY_DIR}/zstd_v06.c
${LIBRARY_LEGACY_DIR}/zstd_v07.c)
set(Headers ${Headers}
${LIBRARY_LEGACY_DIR}/zstd_legacy.h
${LIBRARY_LEGACY_DIR}/zstd_v01.h
${LIBRARY_LEGACY_DIR}/zstd_v02.h
${LIBRARY_LEGACY_DIR}/zstd_v03.h
${LIBRARY_LEGACY_DIR}/zstd_v04.h
${LIBRARY_LEGACY_DIR}/zstd_v05.h
${LIBRARY_LEGACY_DIR}/zstd_v06.h
${LIBRARY_LEGACY_DIR}/zstd_v07.h)
endif ()
if (MSVC)
set(MSVC_RESOURCE_DIR ${ZSTD_SOURCE_DIR}/build/VS2010/libzstd-dll)
set(PlatformDependResources ${MSVC_RESOURCE_DIR}/libzstd-dll.rc)
endif ()
# Explicitly set the language to C for all files, including ASM files.
# Our assembly expects to be compiled by a C compiler, and is only enabled for
# __GNUC__ compatible compilers. Otherwise all the ASM code is disabled by
# macros.
if(NOT CMAKE_ASM_COMPILER STREQUAL CMAKE_C_COMPILER)
set_source_files_properties(${Sources} PROPERTIES LANGUAGE C)
endif()
macro (add_definition target var)
if (NOT ("${${var}}" STREQUAL ""))
set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS "${var}=__attribute__((visibility(\"${${var}}\")))")
endif ()
endmacro ()
# Define directories containing the library's public headers
set(PUBLIC_INCLUDE_DIRS ${LIBRARY_DIR})
# Split project to static and shared libraries build
set(library_targets)
if (ZSTD_BUILD_SHARED)
add_library(libzstd_shared SHARED ${Sources} ${Headers} ${PlatformDependResources})
target_include_directories(libzstd_shared INTERFACE $<BUILD_INTERFACE:${PUBLIC_INCLUDE_DIRS}>)
list(APPEND library_targets libzstd_shared)
if (ZSTD_MULTITHREAD_SUPPORT)
set_property(TARGET libzstd_shared APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_MULTITHREAD")
if (UNIX)
target_link_libraries(libzstd_shared ${THREADS_LIBS})
endif ()
endif ()
add_definition(libzstd_shared ZSTDLIB_VISIBLE)
add_definition(libzstd_shared ZSTDERRORLIB_VISIBLE)
add_definition(libzstd_shared ZDICTLIB_VISIBLE)
endif ()
if (ZSTD_BUILD_STATIC)
add_library(libzstd_static STATIC ${Sources} ${Headers})
target_include_directories(libzstd_static INTERFACE $<BUILD_INTERFACE:${PUBLIC_INCLUDE_DIRS}>)
list(APPEND library_targets libzstd_static)
if (ZSTD_MULTITHREAD_SUPPORT)
set_property(TARGET libzstd_static APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_MULTITHREAD")
if (UNIX)
target_link_libraries(libzstd_static ${THREADS_LIBS})
endif ()
endif ()
add_definition(libzstd_static ZSTDLIB_VISIBLE)
add_definition(libzstd_static ZSTDERRORLIB_VISIBLE)
add_definition(libzstd_static ZDICTLIB_VISIBLE)
add_definition(libzstd_static ZSTDLIB_STATIC_API)
add_definition(libzstd_static ZDICTLIB_STATIC_API)
endif ()
if (ZSTD_BUILD_SHARED AND NOT ZSTD_BUILD_STATIC)
if (NOT BUILD_SHARED_LIBS)
message(WARNING "BUILD_SHARED_LIBS is OFF, but ZSTD_BUILD_SHARED is ON and ZSTD_BUILD_STATIC is OFF, which takes precedence, so libzstd is a shared library")
endif ()
add_library(libzstd INTERFACE)
target_link_libraries(libzstd INTERFACE libzstd_shared)
list(APPEND library_targets libzstd)
endif ()
if (ZSTD_BUILD_STATIC AND NOT ZSTD_BUILD_SHARED)
if (BUILD_SHARED_LIBS)
message(WARNING "BUILD_SHARED_LIBS is ON, but ZSTD_BUILD_SHARED is OFF and ZSTD_BUILD_STATIC is ON, which takes precedence, is set so libzstd is a static library")
endif ()
add_library(libzstd INTERFACE)
target_link_libraries(libzstd INTERFACE libzstd_static)
list(APPEND library_targets libzstd)
endif ()
if (ZSTD_BUILD_SHARED AND ZSTD_BUILD_STATIC)
# If both ZSTD_BUILD_SHARED and ZSTD_BUILD_STATIC are set, which is the
# default, fallback to using BUILD_SHARED_LIBS to determine whether to
# set libzstd to static or shared.
if (BUILD_SHARED_LIBS)
add_library(libzstd INTERFACE)
target_link_libraries(libzstd INTERFACE libzstd_shared)
list(APPEND library_targets libzstd)
else ()
add_library(libzstd INTERFACE)
target_link_libraries(libzstd INTERFACE libzstd_static)
list(APPEND library_targets libzstd)
endif ()
endif ()
# Add specific compile definitions for MSVC project
if (MSVC)
if (ZSTD_BUILD_SHARED)
set_property(TARGET libzstd_shared APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_DLL_EXPORT=1;ZSTD_HEAPMODE=0;_CONSOLE;_CRT_SECURE_NO_WARNINGS")
endif ()
if (ZSTD_BUILD_STATIC)
set_property(TARGET libzstd_static APPEND PROPERTY COMPILE_DEFINITIONS "ZSTD_HEAPMODE=0;_CRT_SECURE_NO_WARNINGS")
endif ()
endif ()
# With MSVC static library needs to be renamed to avoid conflict with import library
if (MSVC OR (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND NOT MINGW))
set(STATIC_LIBRARY_BASE_NAME zstd_static)
else ()
set(STATIC_LIBRARY_BASE_NAME zstd)
endif ()
# Define static and shared library names
if (ZSTD_BUILD_SHARED)
set_target_properties(
libzstd_shared
PROPERTIES
OUTPUT_NAME zstd
VERSION ${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}
SOVERSION ${zstd_VERSION_MAJOR})
endif ()
if (ZSTD_BUILD_STATIC)
set_target_properties(
libzstd_static
PROPERTIES
POSITION_INDEPENDENT_CODE On
OUTPUT_NAME ${STATIC_LIBRARY_BASE_NAME})
endif ()
# pkg-config
include(JoinPaths) # can be replaced by cmake_path(APPEND) in CMake 3.20
set(PREFIX "${CMAKE_INSTALL_PREFIX}")
set(EXEC_PREFIX "\${prefix}")
join_paths(LIBDIR "\${exec_prefix}" "${CMAKE_INSTALL_LIBDIR}")
join_paths(INCLUDEDIR "\${prefix}" "${CMAKE_INSTALL_INCLUDEDIR}")
set(LIBS_PRIVATE "${THREADS_LIBS}")
set(VERSION "${zstd_VERSION}")
configure_file("${LIBRARY_DIR}/libzstd.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/libzstd.pc" @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libzstd.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
# install target
install(FILES ${PublicHeaders} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
install(TARGETS ${library_targets}
EXPORT zstdExports
INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
BUNDLE DESTINATION "${CMAKE_INSTALL_BINDIR}"
)
# uninstall target
if (NOT TARGET uninstall)
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
IMMEDIATE @ONLY)
add_custom_target(uninstall
COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
endif ()
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