| 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 "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") |
| |
| include(CheckTypeSize) |
| include(CheckFunctionExists) |
| include(CheckIncludeFile) |
| include(CheckCSourceCompiles) |
| enable_testing() |
| |
| check_include_file(sys/types.h HAVE_SYS_TYPES_H) |
| check_include_file(stdint.h HAVE_STDINT_H) |
| check_include_file(stddef.h HAVE_STDDEF_H) |
| |
| option(ENABLE_SIMD_OPTIMIZATIONS "Enable all SIMD optimizations" OFF) |
| option(ENABLE_SIMD_AVX512 "Enable SIMD AXV512 optimizations" OFF) |
| option(USE_ZLIB_RABIN_KARP_HASH "Enable bitstream compatibility with canonical zlib" OFF) |
| option(BUILD_UNITTESTS "Enable standalone unit tests build" OFF) |
| option(BUILD_MINIZIP_BIN "Enable building minzip_bin tool" OFF) |
| option(BUILD_ZPIPE "Enable building zpipe tool" OFF) |
| option(BUILD_MINIGZIP "Enable building minigzip tool" OFF) |
| |
| if (USE_ZLIB_RABIN_KARP_HASH) |
| add_definitions(-DUSE_ZLIB_RABIN_KARP_ROLLING_HASH) |
| endif() |
| |
| # TODO(cavalcantii): add support for other OSes (e.g. Android, Fuchsia, etc) |
| # and architectures (e.g. RISCV). |
| if (ENABLE_SIMD_OPTIMIZATIONS) |
| # Apparently some environments (e.g. CentOS) require to explicitly link |
| # with pthread and that is required by the CPU features detection code. |
| find_package (Threads REQUIRED) |
| SET(CMAKE_C_FLAGS "${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() |
| |
| # 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} ${ZLIB_PRIVATE_HDRS}) |
| set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) |
| set_target_properties(zlib PROPERTIES SOVERSION 1) |
| |
| if(NOT CYGWIN) |
| # This property causes shared libraries on Linux to have the full version |
| # encoded into their final filename. We disable this on Cygwin because |
| # it causes cygz-${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() |