cmake_minimum_required(VERSION 2.4.4...3.15.0)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
project(zlib C)
set(VERSION "1.3.0.1")
set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCSourceCompiles)
enable_testing()
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stddef.h HAVE_STDDEF_H)
option(ENABLE_SIMD_OPTIMIZATIONS "Enable all SIMD optimizations" OFF)
option(ENABLE_SIMD_AVX512 "Enable SIMD AXV512 optimizations" OFF)
option(USE_ZLIB_RABIN_KARP_HASH "Enable bitstream compatibility with canonical zlib" OFF)
option(ENABLE_INTEL_QAT_COMPRESSION "Enable Intel Quick Assist Technology use for compression" OFF)
option(BUILD_UNITTESTS "Enable standalone unit tests build" OFF)
option(BUILD_MINIZIP_BIN "Enable building minzip_bin tool" OFF)
option(BUILD_ZPIPE "Enable building zpipe tool" OFF)
option(BUILD_MINIGZIP "Enable building minigzip tool" OFF)
if (USE_ZLIB_RABIN_KARP_HASH)
add_definitions(-DUSE_ZLIB_RABIN_KARP_ROLLING_HASH)
endif()
# TODO(cavalcantii): add support for other OSes (e.g. Android, Fuchsia, etc)
# and architectures (e.g. RISCV).
if (ENABLE_SIMD_OPTIMIZATIONS)
# Apparently some environments (e.g. CentOS) require to explicitly link
# with pthread and that is required by the CPU features detection code.
find_package (Threads REQUIRED)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
if (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
add_definitions(-DINFLATE_CHUNK_SIMD_SSE2)
add_definitions(-DADLER32_SIMD_SSSE3)
add_definitions(-DINFLATE_CHUNK_READ_64LE)
add_definitions(-DCRC32_SIMD_SSE42_PCLMUL)
if (ENABLE_SIMD_AVX512)
add_definitions(-DCRC32_SIMD_AVX512_PCLMUL)
add_compile_options(-mvpclmulqdq -msse2 -mavx512f -mpclmul)
else()
add_compile_options(-msse4.2 -mpclmul)
endif()
add_definitions(-DDEFLATE_SLIDE_HASH_SSE2)
# Required by CPU features detection code.
add_definitions(-DX86_NOT_WINDOWS)
endif()
if ((CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64") OR
(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64"))
add_definitions(-DINFLATE_CHUNK_SIMD_NEON)
add_definitions(-DADLER32_SIMD_NEON)
add_definitions(-DINFLATE_CHUNK_READ_64LE)
add_definitions(-DCRC32_ARMV8_CRC32)
add_definitions(-DDEFLATE_SLIDE_HASH_NEON)
# Required by CPU features detection code.
if (APPLE)
add_definitions(-DARMV8_OS_MACOS)
endif()
if (UNIX AND NOT APPLE)
add_definitions(-DARMV8_OS_LINUX)
endif()
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv8-a+crc+crypto")
endif()
if (CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64")
add_definitions(-DRISCV_RVV)
add_definitions(-DDEFLATE_SLIDE_HASH_RVV)
add_definitions(-DADLER32_SIMD_RVV)
# TODO(cavalcantii): add remaining flags as we port optimizations to RVV.
# chunk_copy is required for READ64 and unconditional decode of literals.
add_definitions(-DINFLATE_CHUNK_GENERIC)
add_definitions(-DINFLATE_CHUNK_READ_64LE)
# Tested with clang-17, unaligned loads are required by read64 & chunk_copy.
# TODO(cavalcantii): replace internal clang flags for -munaligned-access
# when we have a newer compiler available.
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --target=riscv64-unknown-linux-gnu -march=rv64gcv -Xclang -target-feature -Xclang +unaligned-scalar-mem")
endif()
endif()
#
# Check to see if we have large file support
#
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
# We add these other definitions here because CheckTypeSize.cmake
# in CMake 2.4.x does not automatically do so and we want
# compatibility with CMake 2.4.x.
if(HAVE_SYS_TYPES_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
endif()
if(HAVE_STDINT_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
endif()
if(HAVE_STDDEF_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
endif()
check_type_size(off64_t OFF64_T)
if(HAVE_OFF64_T)
add_definitions(-D_LARGEFILE64_SOURCE=1)
endif()
set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
#
# Check for fseeko
#
check_function_exists(fseeko HAVE_FSEEKO)
if(NOT HAVE_FSEEKO)
add_definitions(-DNO_FSEEKO)
endif()
#
# Check for unistd.h
#
check_include_file(unistd.h Z_HAVE_UNISTD_H)
if(MSVC)
set(CMAKE_DEBUG_POSTFIX "d")
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
include_directories(${CMAKE_CURRENT_SOURCE_DIR})
endif()
if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
# If we're doing an out of source build and the user has a zconf.h
# in their source tree...
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
message(STATUS "Renaming")
message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
message(STATUS "to 'zconf.h.included' because this file is included with zlib")
message(STATUS "but CMake generates it automatically in the build directory.")
file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
endif()
endif()
set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
${ZLIB_PC} @ONLY)
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
#============================================================================
# zlib
#============================================================================
set(ZLIB_PUBLIC_HDRS
${CMAKE_CURRENT_BINARY_DIR}/zconf.h
zlib.h
)
set(ZLIB_PRIVATE_HDRS
crc32.h
deflate.h
gzguts.h
inffast.h
inffixed.h
inflate.h
inftrees.h
trees.h
zutil.h
)
set(ZLIB_SRCS
adler32.c
compress.c
crc32.c
deflate.c
gzclose.c
gzlib.c
gzread.c
gzwrite.c
inflate.c
infback.c
inftrees.c
inffast.c
trees.c
uncompr.c
zutil.c
)
#============================================================================
# Update list of source files if optimizations were enabled
#============================================================================
if (ENABLE_SIMD_OPTIMIZATIONS)
if (CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64")
message("RISCVV: Add optimizations.")
list(REMOVE_ITEM ZLIB_SRCS inflate.c)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/adler32_simd.h)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/optimizations/chunkcopy.h)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/cpu_features.h)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/adler32_simd.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/optimizations/inffast_chunk.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/optimizations/inflate.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/cpu_features.c)
else()
list(REMOVE_ITEM ZLIB_SRCS inflate.c)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/adler32_simd.h)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/optimizations/chunkcopy.h)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/optimizations/inffast_chunk.h)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/cpu_features.h)
list(APPEND ZLIB_PRIVATE_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/crc32_simd.h)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/adler32_simd.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/optimizations/inffast_chunk.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/optimizations/inflate.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/cpu_features.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/crc32_simd.c)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/crc_folding.c)
endif()
endif()
if (ENABLE_INTEL_QAT_COMPRESSION)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/deflate_qat.cpp)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp/io_buffers.cpp)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp/memory.cpp)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp/qat_buffer_list.cpp)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp/qat.cpp)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp/qat_instance.cpp)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp/session.cpp)
list(APPEND ZLIB_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp/qat_task.cpp)
# TODO(gustavoa): Find a way to include the qatzpp headers without having the
# presubmit check throw errors.
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/contrib/qat/qatzpp)
add_compile_definitions(QAT_COMPRESSION_ENABLED)
endif()
# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*"
"\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
if(MINGW)
# This gets us DLL resource information when compiling on MinGW.
if(NOT CMAKE_RC_COMPILER)
set(CMAKE_RC_COMPILER windres.exe)
endif()
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
COMMAND ${CMAKE_RC_COMPILER}
-D GCC_WINDRES
-I ${CMAKE_CURRENT_SOURCE_DIR}
-I ${CMAKE_CURRENT_BINARY_DIR}
-o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
-i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc)
set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
endif(MINGW)
add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
set_target_properties(zlib PROPERTIES SOVERSION 1)
if (ENABLE_INTEL_QAT_COMPRESSION)
target_include_directories(zlib PUBLIC ${QATZPP_INCLUDE_DIRS})
target_link_libraries(zlib ${QATZPP_LIBRARY})
target_link_libraries(zlib qat)
target_include_directories(zlibstatic PUBLIC ${QATZPP_INCLUDE_DIRS})
target_link_libraries(zlibstatic ${QATZPP_LIBRARY})
target_link_libraries(zlibstatic qat)
endif()
if(NOT CYGWIN)
# This property causes shared libraries on Linux to have the full version
# encoded into their final filename. We disable this on Cygwin because
# it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll
# seems to be the default.
#
# This has no effect with MSVC, on that platform the version info for
# the DLL comes from the resource file win32/zlib1.rc
set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION})
endif()
if(UNIX)
# On unix-like platforms the library is almost always called libz
set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
if(NOT APPLE)
set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
endif()
elseif(BUILD_SHARED_LIBS AND WIN32)
# Creates zlib1.dll when building shared library version
set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
endif()
if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
install(TARGETS zlib zlibstatic
RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
endif()
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
endif()
if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3")
endif()
if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}")
endif()
#============================================================================
# Benchmarker
#============================================================================
enable_language(CXX)
set(CMAKE_CXX_STANDARD 14) # workaround for older compilers (e.g. g++ 5.4).
add_executable(zlib_bench contrib/bench/zlib_bench.cc)
target_link_libraries(zlib_bench zlib)
#============================================================================
# Unit Tests
#============================================================================
if (BUILD_UNITTESTS)
include (ExternalProject)
set_directory_properties(PROPERTIES EP_PREFIX ${CMAKE_BINARY_DIR}/third_party)
ExternalProject_add(
googletest
GIT_REPOSITORY https://github.com/google/googletest.git
GIT_TAG d1467f5813f4d363cfd11aba99c4e9fe47a85e99
UPDATE_COMMAND ""
INSTALL_COMMAND ""
LOG_DOWNLOAD ON
LOG_CONFIGURE ON
LOG_BUILD ON
)
# gtest includedir
ExternalProject_Get_Property(googletest source_dir)
set(GTEST_INCLUDE_DIRS
${source_dir}/googletest/include
${source_dir}/googletest/include/gtest
)
# gtest library
ExternalProject_Get_Property(googletest binary_dir)
set(GTEST_LIBRARY_PATH ${binary_dir}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}gtest.a)
set(GTEST_LIBRARY gtest)
add_library(${GTEST_LIBRARY} UNKNOWN IMPORTED)
set_property(TARGET ${GTEST_LIBRARY} PROPERTY IMPORTED_LOCATION ${GTEST_LIBRARY_PATH})
add_dependencies(${GTEST_LIBRARY} googletest)
set(UTEST_SRC
${CMAKE_CURRENT_SOURCE_DIR}/contrib/tests/infcover.cc
${CMAKE_CURRENT_SOURCE_DIR}/contrib/tests/infcover.h
${CMAKE_CURRENT_SOURCE_DIR}/contrib/tests/utils_unittest.cc
${CMAKE_CURRENT_SOURCE_DIR}/contrib/tests/standalone_test_runner.cc
${CMAKE_CURRENT_SOURCE_DIR}/google/compression_utils_portable.cc
)
add_compile_definitions(CMAKE_STANDALONE_UNITTESTS)
add_executable(zlib_unittests ${UTEST_SRC})
target_include_directories(zlib_unittests PUBLIC ${GTEST_INCLUDE_DIRS})
target_include_directories(zlib_unittests PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/google)
target_link_libraries(zlib_unittests ${GTEST_LIBRARY})
target_link_libraries(zlib_unittests zlib)
# Needed by gtest
target_link_libraries(zlib_unittests pthread)
endif()
#============================================================================
# Minizip tool
#============================================================================
# TODO(cavalcantii): get it working on Windows.
if (BUILD_MINIZIP_BIN)
add_executable(minizip_bin contrib/minizip/minizip.c contrib/minizip/ioapi.c
contrib/minizip/ioapi.h contrib/minizip/unzip.c
contrib/minizip/unzip.h contrib/minizip/zip.c contrib/minizip/zip.h
)
target_link_libraries(minizip_bin zlib)
endif()
#============================================================================
# zpipe tool
#============================================================================
if (BUILD_ZPIPE)
add_executable(zpipe examples/zpipe.c)
target_link_libraries(zpipe zlib)
endif()
#============================================================================
# MiniGzip tool
#============================================================================
if (BUILD_MINIGZIP)
add_executable(minigzip_bin test/minigzip.c)
target_link_libraries(minigzip_bin zlib)
endif()
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