cmake_minimum_required(VERSION 3.5.1) if(CMAKE_VERSION VERSION_LESS 3.12) cmake_policy(VERSION ${CMAKE_VERSION}) else() cmake_policy(VERSION 3.5.1...3.29.0) endif() message(STATUS "Using CMake version ${CMAKE_VERSION}") # If not specified on the command line, enable C11 as the default # Configuration items that affect the global compiler environment standards # should be issued before the "project" command. if(NOT CMAKE_C_STANDARD) set(CMAKE_C_STANDARD 11) # The C standard whose features are requested to build this target endif() if(NOT CMAKE_C_STANDARD_REQUIRED) set(CMAKE_C_STANDARD_REQUIRED ON) # Boolean describing whether the value of C_STANDARD is a requirement endif() if(NOT CMAKE_C_EXTENSIONS) set(CMAKE_C_EXTENSIONS OFF) # Boolean specifying whether compiler specific extensions are requested endif() set(VALID_C_STANDARDS "99" "11") if(NOT CMAKE_C_STANDARD IN_LIST VALID_C_STANDARDS) MESSAGE(FATAL_ERROR "CMAKE_C_STANDARD:STRING=${CMAKE_C_STANDARD} not in known standards list\n ${VALID_C_STANDARDS}") endif() # Parse the full version number from zlib.h.in and include in ZLIB_FULL_VERSION file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h.in _zlib_h_contents) string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([0-9]+.[0-9]+.[0-9]+).*\".*" "\\1" ZLIB_HEADER_VERSION ${_zlib_h_contents}) string(REGEX REPLACE ".*#define[ \t]+ZLIBNG_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" "\\1" ZLIBNG_HEADER_VERSION ${_zlib_h_contents}) message(STATUS "ZLIB_HEADER_VERSION: ${ZLIB_HEADER_VERSION}") message(STATUS "ZLIBNG_HEADER_VERSION: ${ZLIBNG_HEADER_VERSION}") project(zlib VERSION ${ZLIB_HEADER_VERSION} LANGUAGES C) include(CheckTypeSize) include(CheckSymbolExists) include(CheckFunctionExists) include(CheckIncludeFile) include(CheckCSourceCompiles) include(CheckCSourceRuns) include(CheckCCompilerFlag) include(CMakeDependentOption) include(CMakePackageConfigHelpers) include(FeatureSummary) include(cmake/detect-arch.cmake) include(cmake/detect-install-dirs.cmake) include(cmake/detect-coverage.cmake) include(cmake/detect-intrinsics.cmake) include(cmake/detect-sanitizer.cmake) include(cmake/fallback-macros.cmake) if(CMAKE_TOOLCHAIN_FILE) message(STATUS "Using CMake toolchain: ${CMAKE_TOOLCHAIN_FILE}") endif() # Make sure we use an appropriate BUILD_TYPE by default, "Release" to be exact # this should select the maximum generic optimisation on the current platform (i.e. -O3 for gcc/clang) get_property(GENERATOR_IS_MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) if(NOT GENERATOR_IS_MULTI_CONFIG) if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, standard options are: Debug Release RelWithDebInfo MinSizeRel." FORCE) add_feature_info(CMAKE_BUILD_TYPE 1 "Build type: ${CMAKE_BUILD_TYPE} (default)") else() add_feature_info(CMAKE_BUILD_TYPE 1 "Build type: ${CMAKE_BUILD_TYPE} (selected)") endif() endif() # # Options parsing # option(WITH_GZFILEOP "Compile with support for gzFile related functions" ON) option(ZLIB_COMPAT "Compile with zlib compatible API" ON) option(ZLIB_ENABLE_TESTS "Build test binaries" OFF) option(ZLIBNG_ENABLE_TESTS "Test zlib-ng specific API" OFF) option(WITH_GTEST "Build gtest_zlib" OFF) option(WITH_FUZZERS "Build test/fuzz" OFF) option(WITH_BENCHMARKS "Build test/benchmarks" OFF) option(WITH_BENCHMARK_APPS "Build application benchmarks" OFF) option(WITH_OPTIM "Build with optimisation" ON) option(WITH_REDUCED_MEM "Reduced memory usage for special cases (reduces performance)" OFF) option(WITH_NEW_STRATEGIES "Use new strategies" ON) option(WITH_NATIVE_INSTRUCTIONS "Instruct the compiler to use the full instruction set on this host (gcc/clang -march=native)" OFF) option(WITH_RUNTIME_CPU_DETECTION "Build with runtime detection of CPU architecture" ON) option(WITH_MAINTAINER_WARNINGS "Build with project maintainer warnings" OFF) option(WITH_CODE_COVERAGE "Enable code coverage reporting" OFF) option(WITH_INFLATE_STRICT "Build with strict inflate distance checking" OFF) option(WITH_INFLATE_ALLOW_INVALID_DIST "Build with zero fill for inflate invalid distances" OFF) option(WITH_UNALIGNED "Support unaligned reads on platforms that support it" ON) set(ZLIB_SYMBOL_PREFIX "" CACHE STRING "Give this prefix to all publicly exported symbols. Useful when embedding into a larger library. Default is no prefix (empty prefix).") # Add multi-choice option set(WITH_SANITIZER AUTO CACHE STRING "Enable sanitizer support") set_property(CACHE WITH_SANITIZER PROPERTY STRINGS "Memory" "Address" "Undefined" "Thread") if(BASEARCH_ARM_FOUND) option(WITH_ACLE "Build with ACLE" ON) option(WITH_NEON "Build with NEON intrinsics" ON) cmake_dependent_option(WITH_ARMV6 "Build with ARMv6 SIMD" ON "NOT ARCH STREQUAL \"aarch64\"" OFF) elseif(BASEARCH_PPC_FOUND) option(WITH_ALTIVEC "Build with AltiVec (VMX) optimisations for PowerPC" ON) option(WITH_POWER8 "Build with optimisations for POWER8" ON) option(WITH_POWER9 "Build with optimisations for POWER9" ON) elseif(BASEARCH_RISCV_FOUND) option(WITH_RVV "Build with RVV intrinsics" ON) elseif(BASEARCH_S360_FOUND) option(WITH_DFLTCC_DEFLATE "Build with DFLTCC intrinsics for compression on IBM Z" OFF) option(WITH_DFLTCC_INFLATE "Build with DFLTCC intrinsics for decompression on IBM Z" OFF) option(WITH_CRC32_VX "Build with vectorized CRC32 on IBM Z" ON) elseif(BASEARCH_X86_FOUND) option(WITH_SSE2 "Build with SSE2" ON) cmake_dependent_option(WITH_SSSE3 "Build with SSSE3" ON "WITH_SSE2" OFF) cmake_dependent_option(WITH_SSE42 "Build with SSE42" ON "WITH_SSSE3" OFF) cmake_dependent_option(WITH_PCLMULQDQ "Build with PCLMULQDQ" ON "WITH_SSE42" OFF) cmake_dependent_option(WITH_AVX2 "Build with AVX2" ON "WITH_SSE42" OFF) cmake_dependent_option(WITH_AVX512 "Build with AVX512" ON "WITH_AVX2" OFF) cmake_dependent_option(WITH_AVX512VNNI "Build with AVX512 VNNI extensions" ON "WITH_AVX512" OFF) cmake_dependent_option(WITH_VPCLMULQDQ "Build with VPCLMULQDQ" ON "WITH_PCLMULQDQ;WITH_AVX512" OFF) endif() option(INSTALL_UTILS "Copy minigzip and minideflate during install" OFF) set(ZLIB_BUILD_SHARED_LIBS OFF) set(SKIP_INSTALL_ALL ON) ocv_warnings_disable(CMAKE_C_FLAGS -Wmissing-prototypes -Wmissing-declarations -Wundef -Wstrict-prototypes -Wtype-limits) ocv_warnings_disable(CMAKE_C_FLAGS /wd4819 /wd4244 /wd4334) mark_as_advanced(FORCE ZLIB_SYMBOL_PREFIX WITH_REDUCED_MEM WITH_ACLE WITH_NEON WITH_ARMV6 WITH_DFLTCC_DEFLATE WITH_DFLTCC_INFLATE WITH_CRC32_VX WITH_AVX2 WITH_SSE2 WITH_SSSE3 WITH_SSE42 WITH_PCLMULQDQ WITH_ALTIVEC WITH_POWER8 WITH_POWER9 WITH_RVV WITH_INFLATE_STRICT WITH_INFLATE_ALLOW_INVALID_DIST WITH_UNALIGNED INSTALL_UTILS ) if(ZLIB_COMPAT) add_definitions(-DZLIB_COMPAT) set(WITH_GZFILEOP ON) set(SUFFIX "") set(ZLIB_FULL_VERSION ${ZLIB_HEADER_VERSION}.zlib-ng) set(EXPORT_NAME ZLIB) else() set(SUFFIX "-ng") set(ZLIB_FULL_VERSION ${ZLIBNG_HEADER_VERSION}) set(EXPORT_NAME zlib-ng) endif() if(WITH_GZFILEOP) add_definitions(-DWITH_GZFILEOP) endif() if(CMAKE_C_COMPILER_ID MATCHES "^Intel") if(CMAKE_HOST_UNIX) set(WARNFLAGS -Wall) set(WARNFLAGS_MAINTAINER -Wall -Wcheck -Wremarks) set(WARNFLAGS_DISABLE) else() set(WARNFLAGS /Wall) set(WARNFLAGS_MAINTAINER /W5) set(WARNFLAGS_DISABLE) endif() check_c_compiler_flag(-diag-disable=10441 HAVE_DIAG_10441) if(HAVE_DIAG_10441) list(APPEND WARNFLAGS_DISABLE "-diag-disable=10441") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -diag-disable=10441") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -diag-disable=10441") endif() elseif(MSVC) # Minimum supported MSVC version is 1800 = Visual Studio 12.0/2013 # See also https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html if(MSVC_VERSION VERSION_LESS 1800) message(SEND_ERROR "Unsupported Visual Studio compiler version (requires 2013 or later).") endif() # TODO. ICC can be used through MSVC. I'm not sure if we'd ever see that combination # (who'd use cmake from an IDE...) but checking for ICC before checking for MSVC should # avoid mistakes. # /Oi ? set(WARNFLAGS /W3) set(WARNFLAGS_MAINTAINER /W4) set(WARNFLAGS_DISABLE) if(BASEARCH_ARM_FOUND) add_definitions(-D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE) if(NOT "${ARCH}" MATCHES "aarch64") set(NEONFLAG "/arch:VFPv4") endif() endif() elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang") # Enable warnings in GCC and Clang set(WARNFLAGS -Wall) set(WARNFLAGS_MAINTAINER -Wextra) set(WARNFLAGS_DISABLE) # Check whether -fno-lto is available set(CMAKE_REQUIRED_FLAGS "-fno-lto") check_c_source_compiles( "int main() { return 0; }" FNO_LTO_AVAILABLE FAIL_REGEX "not supported") set(CMAKE_REQUIRED_FLAGS) if(FNO_LTO_AVAILABLE) set(ZNOLTOFLAG "-fno-lto") endif() if(NOT WITH_NATIVE_INSTRUCTIONS) if(BASEARCH_ARM_FOUND) if("${ARCH}" MATCHES "arm" AND NOT CMAKE_C_FLAGS MATCHES "-mfloat-abi") # Auto-detect support for ARM floating point ABI check_include_file(features.h HAVE_FEATURES_H) if(HAVE_FEATURES_H) set(CMAKE_REQUIRED_FLAGS -mfloat-abi=softfp) check_c_source_compiles( "#include int main() { return 0; }" HAVE_FLOATABI_SOFTFP) if(HAVE_FLOATABI_SOFTFP) set(FLOATABI -mfloat-abi=softfp) else() set(CMAKE_REQUIRED_FLAGS -mfloat-abi=hard) check_c_source_compiles( "#include int main() { return 0; }" HAVE_FLOATABI_HARD) if(HAVE_FLOATABI_HARD) set(FLOATABI -mfloat-abi=hard) endif() endif() set(CMAKE_REQUIRED_FLAGS) endif() if(FLOATABI) message(STATUS "ARM floating point arch: ${FLOATABI}") add_compile_options(${FLOATABI}) else() message(STATUS "ARM floating point arch not auto-detected") endif() endif() endif() # Disable LTO unless Native Instructions are enabled if(FNO_LTO_AVAILABLE) set(NOLTOFLAG ${ZNOLTOFLAG}) endif() endif() if(MINGW) # Add `-Wno-pedantic-ms-format` only if the toolchain supports it check_c_compiler_flag(-Wno-pedantic-ms-format HAVE_NO_PEDANTIC_MS_FORMAT) if(HAVE_NO_PEDANTIC_MS_FORMAT) list(APPEND WARNFLAGS_DISABLE -Wno-pedantic-ms-format) endif() endif() endif() # Set native march/mcpu if(WITH_NATIVE_INSTRUCTIONS) if(NATIVE_ARCH_OVERRIDE) message(STATUS "WARNING: WITH_NATIVE_INSTRUCTIONS enabled, but running with NATIVE_ARCH_OVERRIDE: ${NATIVE_ARCH_OVERRIDE}") set(NATIVEFLAG "${NATIVE_ARCH_OVERRIDE}") else() if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang") check_c_compiler_flag(-march=native HAVE_MARCH_NATIVE) if(HAVE_MARCH_NATIVE) set(NATIVEFLAG "-march=native") else() check_c_compiler_flag(-mcpu=native HAVE_MCPU_NATIVE) if(HAVE_MCPU_NATIVE) set(NATIVEFLAG "-mcpu=native") endif() endif() # Fall through endif() endif() if(NATIVEFLAG) # Apply flags to all source files and compilation checks if(WIN32) separate_arguments(NATIVEOPTIONS WINDOWS_COMMAND "${NATIVEFLAG}") else() separate_arguments(NATIVEOPTIONS UNIX_COMMAND "${NATIVEFLAG}") endif() add_compile_options(${NATIVEOPTIONS}) set(WITH_RUNTIME_CPU_DETECTION OFF) else() message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not implemented yet on this configuration") set(WITH_NATIVE_INSTRUCTIONS OFF) endif() endif() # Compile without functable or CPU detection if(NOT WITH_RUNTIME_CPU_DETECTION) if(MSVC AND BASEARCH_X86_FOUND) message(STATUS "WARNING: Microsoft Visual Studio does not support compile time detection of CPU features for \"/arch\" before \"AVX\"") # Workaround for MSVC. By default MSVC does not define the __SSE*__ macros. # Fix it if AVX is enabled. set(CMAKE_REQUIRED_FLAGS "${NATIVEFLAG}") check_c_source_compiles( "#ifndef __AVX__ # error \"AVX is not enabled.\" #endif int main(void) { return 0; }" MSVC_IS_ENABLED_AVX ) set(CMAKE_REQUIRED_FLAGS) if(MSVC_IS_ENABLED_AVX) add_definitions( -D__SSE__=1 -D__SSE2__=1 -D__SSE3__=1 -D__SSSE3__=1 -D__SSE4_1__=1 -D__SSE4_2__=1 -D__PCLMUL__=1 ) endif() endif() add_definitions(-DDISABLE_RUNTIME_CPU_DETECTION) endif() # Force disable LTO if WITH_NATIVE_INSTRUCTIONS is not active if(NOT WITH_NATIVE_INSTRUCTIONS) set(CMAKE_INTERPROCEDURAL_OPTIMIZATION OFF) foreach(_cfg_name IN LISTS CMAKE_CONFIGURATION_TYPES) string(TOUPPER "${_cfg_name}" _cfg_name_uc) set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_${_cfg_name_uc} OFF) endforeach() endif() # Set architecture alignment requirements if(NOT WITH_UNALIGNED) add_definitions(-DNO_UNALIGNED) message(STATUS "Unaligned reads manually disabled") endif() # Apply warning compiler flags if(WITH_MAINTAINER_WARNINGS) add_compile_options(${WARNFLAGS} ${WARNFLAGS_MAINTAINER} ${WARNFLAGS_DISABLE}) else() add_compile_options(${WARNFLAGS} ${WARNFLAGS_DISABLE}) endif() # Set code coverage compiler flags if(WITH_CODE_COVERAGE) add_code_coverage() endif() # Replace optimization level 3 added by default with level 2 if(NOT WITH_CODE_COVERAGE AND NOT MSVC AND NOT CMAKE_C_FLAGS MATCHES "([\\/\\-]O)3") string(REGEX REPLACE "([\\/\\-]O)3" "\\12" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") endif() # # Check for standard/system includes # check_include_file(arm_acle.h HAVE_ARM_ACLE_H) if(HAVE_ARM_ACLE_H) add_definitions(-DHAVE_ARM_ACLE_H) endif() check_include_file(sys/auxv.h HAVE_SYS_AUXV_H) if(HAVE_SYS_AUXV_H) add_definitions(-DHAVE_SYS_AUXV_H) endif() check_include_file(sys/sdt.h HAVE_SYS_SDT_H) if(HAVE_SYS_SDT_H) add_definitions(-DHAVE_SYS_SDT_H) endif() check_include_file(unistd.h HAVE_UNISTD_H) # # Check for Linux includes # check_include_file(linux/auxvec.h HAVE_LINUX_AUXVEC_H) if(HAVE_LINUX_AUXVEC_H) add_definitions(-DHAVE_LINUX_AUXVEC_H) endif() # # Check to see if we have large file support # set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) check_type_size(off64_t OFF64_T) if(HAVE_OFF64_T) add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) else() check_type_size(_off64_t _OFF64_T) if(HAVE__OFF64_T) add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) else() check_type_size(__off64_t __OFF64_T) endif() endif() set(CMAKE_REQUIRED_DEFINITIONS) # clear variable # # Check for fseeko and other optional functions # check_function_exists(fseeko HAVE_FSEEKO) if(NOT HAVE_FSEEKO) add_definitions(-DNO_FSEEKO) endif() check_function_exists(strerror HAVE_STRERROR) if(NOT HAVE_STRERROR) add_definitions(-DNO_STRERROR) endif() set(CMAKE_REQUIRED_DEFINITIONS -D_POSIX_C_SOURCE=200112L) check_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN) if(HAVE_POSIX_MEMALIGN) add_definitions(-DHAVE_POSIX_MEMALIGN) endif() set(CMAKE_REQUIRED_DEFINITIONS) set(CMAKE_REQUIRED_DEFINITIONS -D_ISOC11_SOURCE=1) check_symbol_exists(aligned_alloc stdlib.h HAVE_ALIGNED_ALLOC) if(HAVE_ALIGNED_ALLOC) add_definitions(-DHAVE_ALIGNED_ALLOC) endif() set(CMAKE_REQUIRED_DEFINITIONS) if(WITH_SANITIZER STREQUAL "Address") add_address_sanitizer() elseif(WITH_SANITIZER STREQUAL "Memory") add_memory_sanitizer() elseif(WITH_SANITIZER STREQUAL "Thread") add_thread_sanitizer() elseif(WITH_SANITIZER STREQUAL "Undefined") add_undefined_sanitizer() endif() # # Check whether compiler supports -fno-semantic-interposition parameter # check_c_compiler_flag(-fno-semantic-interposition HAVE_NO_INTERPOSITION) # # Check if we can hide zlib internal symbols that are linked between separate source files using hidden # check_c_source_compiles( "#define Z_INTERNAL __attribute__((visibility (\"hidden\"))) int Z_INTERNAL foo; int main() { return 0; }" HAVE_ATTRIBUTE_VISIBILITY_HIDDEN FAIL_REGEX "visibility") if(HAVE_ATTRIBUTE_VISIBILITY_HIDDEN) add_definitions(-DHAVE_VISIBILITY_HIDDEN) endif() # # Check if we can hide zlib internal symbols that are linked between separate source files using internal # check_c_source_compiles( "#define Z_INTERNAL __attribute__((visibility (\"internal\"))) int Z_INTERNAL foo; int main() { return 0; }" HAVE_ATTRIBUTE_VISIBILITY_INTERNAL FAIL_REGEX "visibility") if(HAVE_ATTRIBUTE_VISIBILITY_INTERNAL) add_definitions(-DHAVE_VISIBILITY_INTERNAL) endif() # # Check for __attribute__((aligned(x))) support in the compiler # check_c_source_compiles( "int main(void) { __attribute__((aligned(8))) int test = 0; (void)test; return 0; }" HAVE_ATTRIBUTE_ALIGNED FAIL_REGEX "aligned") if(HAVE_ATTRIBUTE_ALIGNED) add_definitions(-DHAVE_ATTRIBUTE_ALIGNED) endif() # # Check for __builtin_assume_aligned(x,n) support in the compiler # check_c_source_compiles( "char *test(char *buffer) { char *abuffer = __builtin_assume_aligned(buffer,64); return abuffer; } int main() { return 0; }" HAVE_BUILTIN_ASSUME_ALIGNED) if(HAVE_BUILTIN_ASSUME_ALIGNED) add_definitions(-DHAVE_BUILTIN_ASSUME_ALIGNED) endif() # # check for __builtin_ctz() support in the compiler # check_c_source_compiles( "int main(void) { unsigned int zero = 0; long test = __builtin_ctz(zero); (void)test; return 0; }" HAVE_BUILTIN_CTZ ) if(HAVE_BUILTIN_CTZ) add_definitions(-DHAVE_BUILTIN_CTZ) endif() # # check for __builtin_ctzll() support in the compiler # check_c_source_compiles( "int main(void) { unsigned int zero = 0; long test = __builtin_ctzll(zero); (void)test; return 0; }" HAVE_BUILTIN_CTZLL ) if(HAVE_BUILTIN_CTZLL) add_definitions(-DHAVE_BUILTIN_CTZLL) endif() # # check for ptrdiff_t support # check_c_source_compiles( "#include int main() { ptrdiff_t *a; (void)a; return 0; }" HAVE_PTRDIFF_T ) if(NOT HAVE_PTRDIFF_T) set(NEED_PTRDIFF_T 1) check_type_size("void *" SIZEOF_DATA_PTR) message(STATUS "sizeof(void *) is ${SIZEOF_DATA_PTR} bytes") if(${SIZEOF_DATA_PTR} MATCHES "4") set(PTRDIFF_TYPE "uint32_t") elseif(${SIZEOF_DATA_PTR} MATCHES "8") set(PTRDIFF_TYPE "uint64_t") else() message(FATAL_ERROR "sizeof(void *) is neither 32 nor 64 bit") endif() endif() add_compile_options($<$:-DZLIB_DEBUG>) if(MSVC) set(CMAKE_DEBUG_POSTFIX "d") add_definitions(-D_CRT_SECURE_NO_DEPRECATE) add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) endif() if(BASEARCH_X86_FOUND) # FORCE_SSE2 option will only be shown if HAVE_SSE2_INTRIN is true if("${ARCH}" MATCHES "i[3-6]86") cmake_dependent_option(FORCE_SSE2 "Always assume CPU is SSE2 capable" OFF "HAVE_SSE2_INTRIN" OFF) endif() endif() # # Enable deflate_quick at level 1 # if(NOT WITH_NEW_STRATEGIES) add_definitions(-DNO_QUICK_STRATEGY) endif() # # Enable deflate_medium at level 4-6 # if(NOT WITH_NEW_STRATEGIES) add_definitions(-DNO_MEDIUM_STRATEGY) endif() # # Enable inflate compilation options # if(WITH_INFLATE_STRICT) add_definitions(-DINFLATE_STRICT) message(STATUS "Inflate strict distance checking enabled") endif() if(WITH_INFLATE_ALLOW_INVALID_DIST) add_definitions(-DINFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR) message(STATUS "Inflate zero data for invalid distances enabled") endif() # # Enable reduced memory configuration # if(WITH_REDUCED_MEM) add_definitions(-DHASH_SIZE=32768u -DGZBUFSIZE=8192 -DNO_LIT_MEM) message(STATUS "Configured for reduced memory environment") endif() set(GENERIC_ARCHDIR "arch/generic") set(ZLIB_ARCH_SRCS) set(ZLIB_ARCH_HDRS ${GENERIC_ARCHDIR}/generic_functions.h) if(BASEARCH_ARM_FOUND) set(ARCHDIR "arch/arm") elseif(BASEARCH_PPC_FOUND) set(ARCHDIR "arch/power") elseif(BASEARCH_RISCV_FOUND) set(ARCHDIR "arch/riscv") elseif(BASEARCH_S360_FOUND) set(ARCHDIR "arch/s390") elseif(BASEARCH_X86_FOUND) set(ARCHDIR "arch/x86") if(NOT ${ARCH} MATCHES "x86_64") add_feature_info(SSE2 1 "Support the SSE2 instruction set, using \"${SSE2FLAG}\"") endif() else() set(ARCHDIR ${GENERIC_ARCHDIR}) message(STATUS "No optimized architecture: using ${ARCHDIR}") endif() if(WITH_OPTIM) if(BASEARCH_ARM_FOUND) add_definitions(-DARM_FEATURES) if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux") if("${ARCH}" MATCHES "aarch64") check_c_source_compiles( "#include int main() { return (getauxval(AT_HWCAP) & HWCAP_CRC32); }" ARM_AUXV_HAS_CRC32 ) if(ARM_AUXV_HAS_CRC32) add_definitions(-DARM_AUXV_HAS_CRC32) else() message(STATUS "HWCAP_CRC32 not present in sys/auxv.h; cannot detect support at runtime.") endif() else() check_c_source_compiles( "#include int main() { return (getauxval(AT_HWCAP2) & HWCAP2_CRC32); }" ARM_AUXV_HAS_CRC32 ) if(ARM_AUXV_HAS_CRC32) add_definitions(-DARM_AUXV_HAS_CRC32) else() check_c_source_compiles( "#include #include int main() { return (getauxval(AT_HWCAP2) & HWCAP2_CRC32); }" ARM_HWCAP_HAS_CRC32 ) if (ARM_HWCAP_HAS_CRC32) add_definitions(-DARM_AUXV_HAS_CRC32 -DARM_ASM_HWCAP) else() message(STATUS "HWCAP2_CRC32 not present in sys/auxv.h; cannot detect support at runtime.") endif() endif() check_c_source_compiles( "#include int main() { return (getauxval(AT_HWCAP) & HWCAP_ARM_NEON); }" ARM_AUXV_HAS_NEON ) if(ARM_AUXV_HAS_NEON) add_definitions(-DARM_AUXV_HAS_NEON) else() check_c_source_compiles( "#include int main() { return (getauxval(AT_HWCAP) & HWCAP_NEON); }" ARM_AUXV_HAS_NEON ) if (ARM_AUXV_HAS_NEON) add_definitions(-DARM_AUXV_HAS_NEON) else() message(STATUS "Neither HWCAP_ARM_NEON or HWCAP_NEON present in sys/auxv.h; cannot detect support at runtime.") endif() endif() endif() endif() list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/arm_functions.h) if(WITH_RUNTIME_CPU_DETECTION) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/arm_features.h) list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/arm_features.c) endif() if(WITH_ACLE) check_acle_compiler_flag() if(HAVE_ACLE_FLAG) add_definitions(-DARM_ACLE) set(ACLE_SRCS ${ARCHDIR}/crc32_acle.c) set_property(SOURCE ${ACLE_SRCS} PROPERTY COMPILE_FLAGS "${ACLEFLAG} ${NOLTOFLAG}") list(APPEND ZLIB_ARCH_SRCS ${ACLE_SRCS}) add_feature_info(ACLE_CRC 1 "Support ACLE optimized CRC hash generation, using \"${ACLEFLAG}\"") else() set(WITH_ACLE OFF) endif() else() set(WITH_ACLE OFF) endif() if(WITH_NEON) check_neon_compiler_flag() if(NEON_AVAILABLE) add_definitions(-DARM_NEON) set(NEON_SRCS ${ARCHDIR}/adler32_neon.c ${ARCHDIR}/chunkset_neon.c ${ARCHDIR}/compare256_neon.c ${ARCHDIR}/slide_hash_neon.c) list(APPEND ZLIB_ARCH_SRCS ${NEON_SRCS}) set_property(SOURCE ${NEON_SRCS} PROPERTY COMPILE_FLAGS "${NEONFLAG} ${NOLTOFLAG}") if(MSVC) add_definitions(-D__ARM_NEON__) endif() add_feature_info(NEON_ADLER32 1 "Support NEON instructions in adler32, using \"${NEONFLAG}\"") add_feature_info(NEON_SLIDEHASH 1 "Support NEON instructions in slide_hash, using \"${NEONFLAG}\"") check_neon_ld4_intrinsics() if(NEON_HAS_LD4) add_definitions(-DARM_NEON_HASLD4) endif() else() set(WITH_NEON OFF) endif() endif() if(WITH_ARMV6) check_armv6_compiler_flag() if(HAVE_ARMV6_INLINE_ASM OR HAVE_ARMV6_INTRIN) add_definitions(-DARM_SIMD) set(ARMV6_SRCS ${ARCHDIR}/slide_hash_armv6.c) set_property(SOURCE ${ARMV6_SRCS} PROPERTY COMPILE_FLAGS "${ARMV6FLAG} ${NOLTOFLAG}") list(APPEND ZLIB_ARCH_SRCS ${ARMV6_SRCS}) add_feature_info(ARMV6 1 "Support ARMv6 SIMD instructions in slide_hash, using \"${ARMV6FLAG}\"") if(HAVE_ARMV6_INTRIN) add_definitions(-DARM_SIMD_INTRIN) endif() else() set(WITH_ARMV6 OFF) endif() else() set(WITH_ARMV6 OFF) endif() elseif(BASEARCH_PPC_FOUND) # Common arch detection code if(WITH_ALTIVEC) check_ppc_intrinsics() endif() if(WITH_POWER8) check_power8_intrinsics() endif() if(WITH_POWER9) check_power9_intrinsics() endif() if(POWER8_NEED_AUXVEC_H OR POWER9_NEED_AUXVEC_H) add_definitions(-DPOWER_NEED_AUXVEC_H) endif() if(HAVE_POWER8_INTRIN OR HAVE_POWER9_INTRIN) add_definitions(-DPOWER_FEATURES) endif() if(HAVE_VMX OR HAVE_POWER8_INTRIN OR HAVE_POWER9_INTRIN) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/power_functions.h) if(WITH_RUNTIME_CPU_DETECTION) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/power_features.h) list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/power_features.c) endif() endif() # VMX specific options and files if(WITH_ALTIVEC) if(HAVE_VMX) add_definitions(-DPPC_FEATURES) if(HAVE_ALTIVEC) add_definitions(-DPPC_VMX) set(PPC_SRCS ${ARCHDIR}/adler32_vmx.c ${ARCHDIR}/slide_hash_vmx.c) list(APPEND ZLIB_ARCH_SRCS ${PPC_SRCS}) add_feature_info(ALTIVEC 1 "Support the AltiVec instruction set, using \"-maltivec\"") set_property(SOURCE ${PPC_SRCS} PROPERTY COMPILE_FLAGS "${PPCFLAGS}") else() set(WITH_ALTIVEC OFF) endif() endif() endif() # Power8 specific options and files if(WITH_POWER8) if(HAVE_POWER8_INTRIN) add_definitions(-DPOWER8_VSX) set(POWER8_SRCS ${ARCHDIR}/adler32_power8.c ${ARCHDIR}/chunkset_power8.c ${ARCHDIR}/slide_hash_power8.c) if("${ARCH}" MATCHES "powerpc64(le)?") add_definitions(-DPOWER8_VSX_CRC32) list(APPEND POWER8_SRCS ${ARCHDIR}/crc32_power8.c) endif() list(APPEND ZLIB_ARCH_SRCS ${POWER8_SRCS}) set_property(SOURCE ${POWER8_SRCS} PROPERTY COMPILE_FLAGS "${POWER8FLAG} ${NOLTOFLAG}") else() set(WITH_POWER8 OFF) endif() endif() # Power9 specific options and files if(WITH_POWER9) if(HAVE_POWER9_INTRIN) add_definitions(-DPOWER9) set(POWER9_SRCS ${ARCHDIR}/compare256_power9.c) list(APPEND ZLIB_ARCH_SRCS ${POWER9_SRCS}) set_property(SOURCE ${POWER9_SRCS} PROPERTY COMPILE_FLAGS "${POWER9FLAG} ${NOLTOFLAG}") else() set(WITH_POWER9 OFF) endif() endif() elseif(BASEARCH_RISCV_FOUND) if(WITH_RVV) check_rvv_intrinsics() if(HAVE_RVV_INTRIN) add_definitions(-DRISCV_FEATURES) add_definitions(-DRISCV_RVV) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/riscv_functions.h) if(WITH_RUNTIME_CPU_DETECTION) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/riscv_features.h) list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/riscv_features.c) endif() # FIXME: we will not set compile flags for riscv_features.c when # the kernels update hwcap or hwprobe for riscv set(RVV_SRCS ${ARCHDIR}/adler32_rvv.c ${ARCHDIR}/chunkset_rvv.c ${ARCHDIR}/compare256_rvv.c ${ARCHDIR}/slide_hash_rvv.c) if(WITH_RUNTIME_CPU_DETECTION) list(APPEND RVV_SRCS ${ARCHDIR}/riscv_features.c) endif() list(APPEND ZLIB_ARCH_SRCS ${RVV_SRCS}) set_property(SOURCE ${RVV_SRCS} PROPERTY COMPILE_FLAGS "${RISCVFLAG} ${NOLTOFLAG}") else() set(WITH_RVV OFF) endif() endif() elseif(BASEARCH_S360_FOUND) check_s390_intrinsics() if(HAVE_S390_INTRIN) add_definitions(-DS390_FEATURES) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/s390_functions.h) if(WITH_RUNTIME_CPU_DETECTION) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/s390_features.h) list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/s390_features.c) endif() endif() if(WITH_DFLTCC_DEFLATE) add_definitions(-DS390_DFLTCC_DEFLATE) list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_deflate.c) endif() if(WITH_DFLTCC_INFLATE) add_definitions(-DS390_DFLTCC_INFLATE) list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_inflate.c) endif() if(WITH_CRC32_VX) check_vgfma_intrinsics() if(HAVE_VGFMA_INTRIN) add_definitions(-DS390_CRC32_VX) set(CRC32_VX_SRCS ${ARCHDIR}/crc32-vx.c) list(APPEND ZLIB_ARCH_SRCS ${CRC32_VX_SRCS}) set_property(SOURCE ${CRC32_VX_SRCS} PROPERTY COMPILE_FLAGS "${VGFMAFLAG} ${NOLTOFLAG}") else() set(WITH_CRC32_VX OFF) endif() endif() elseif(BASEARCH_X86_FOUND) add_definitions(-DX86_FEATURES) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/x86_functions.h) if(WITH_RUNTIME_CPU_DETECTION) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/x86_features.h) list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/x86_features.c) endif() if(MSVC) list(APPEND ZLIB_ARCH_HDRS fallback_builtins.h) endif() check_xsave_intrinsics() if(HAVE_XSAVE_INTRIN) add_feature_info(XSAVE 1 "Support XSAVE intrinsics using \"${XSAVEFLAG}\"") if(WITH_RUNTIME_CPU_DETECTION) set_property(SOURCE ${ARCHDIR}/x86_features.c PROPERTY COMPILE_FLAGS "${XSAVEFLAG}") endif() if(NOT (CMAKE_C_COMPILER_ID MATCHES "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 8.2)) add_definitions(-DX86_HAVE_XSAVE_INTRIN) endif() endif() if(WITH_SSE2) check_sse2_intrinsics() if(HAVE_SSE2_INTRIN) add_definitions(-DX86_SSE2) set(SSE2_SRCS ${ARCHDIR}/chunkset_sse2.c ${ARCHDIR}/compare256_sse2.c ${ARCHDIR}/slide_hash_sse2.c) list(APPEND ZLIB_ARCH_SRCS ${SSE2_SRCS}) if(NOT ${ARCH} MATCHES "x86_64") set_property(SOURCE ${SSE2_SRCS} PROPERTY COMPILE_FLAGS "${SSE2FLAG} ${NOLTOFLAG}") add_feature_info(FORCE_SSE2 FORCE_SSE2 "Assume CPU is SSE2 capable") if(FORCE_SSE2) add_definitions(-DX86_NOCHECK_SSE2) endif() endif() else() set(WITH_SSE2 OFF) endif() endif() if(WITH_SSSE3) check_ssse3_intrinsics() if(HAVE_SSSE3_INTRIN AND WITH_SSE2) add_definitions(-DX86_SSSE3) set(SSSE3_SRCS ${ARCHDIR}/adler32_ssse3.c ${ARCHDIR}/chunkset_ssse3.c) add_feature_info(SSSE3_ADLER32 1 "Support SSSE3-accelerated adler32, using \"${SSSE3FLAG}\"") list(APPEND ZLIB_ARCH_SRCS ${SSSE3_SRCS}) set_property(SOURCE ${SSSE3_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${NOLTOFLAG}") else() set(WITH_SSSE3 OFF) endif() endif() if(WITH_SSE42) check_sse42_intrinsics() if(HAVE_SSE42_INTRIN AND WITH_SSSE3) add_definitions(-DX86_SSE42) set(SSE42_SRCS ${ARCHDIR}/adler32_sse42.c) add_feature_info(SSE42_CRC 1 "Support SSE4.2 optimized adler32 hash generation, using \"${SSE42FLAG}\"") list(APPEND ZLIB_ARCH_SRCS ${SSE42_SRCS}) set_property(SOURCE ${SSE42_SRCS} PROPERTY COMPILE_FLAGS "${SSE42FLAG} ${NOLTOFLAG}") else() set(WITH_SSE42 OFF) endif() endif() if(WITH_PCLMULQDQ) check_pclmulqdq_intrinsics() if(HAVE_PCLMULQDQ_INTRIN AND WITH_SSE42) add_definitions(-DX86_PCLMULQDQ_CRC) set(PCLMULQDQ_SRCS ${ARCHDIR}/crc32_pclmulqdq.c) add_feature_info(PCLMUL_CRC 1 "Support CRC hash generation using PCLMULQDQ, using \"${SSE42FLAG} ${PCLMULFLAG}\"") list(APPEND ZLIB_ARCH_SRCS ${PCLMULQDQ_SRCS}) set_property(SOURCE ${PCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${SSE42FLAG} ${PCLMULFLAG} ${NOLTOFLAG}") else() set(WITH_PCLMULQDQ OFF) endif() endif() if(WITH_AVX2) check_avx2_intrinsics() if(HAVE_AVX2_INTRIN AND WITH_SSE42) add_definitions(-DX86_AVX2) set(AVX2_SRCS ${ARCHDIR}/slide_hash_avx2.c) add_feature_info(AVX2_SLIDEHASH 1 "Support AVX2 optimized slide_hash, using \"${AVX2FLAG}\"") list(APPEND AVX2_SRCS ${ARCHDIR}/chunkset_avx2.c) add_feature_info(AVX2_CHUNKSET 1 "Support AVX2 optimized chunkset, using \"${AVX2FLAG}\"") list(APPEND AVX2_SRCS ${ARCHDIR}/compare256_avx2.c) add_feature_info(AVX2_COMPARE256 1 "Support AVX2 optimized compare256, using \"${AVX2FLAG}\"") list(APPEND AVX2_SRCS ${ARCHDIR}/adler32_avx2.c) add_feature_info(AVX2_ADLER32 1 "Support AVX2-accelerated adler32, using \"${AVX2FLAG}\"") list(APPEND ZLIB_ARCH_SRCS ${AVX2_SRCS}) set_property(SOURCE ${AVX2_SRCS} PROPERTY COMPILE_FLAGS "${AVX2FLAG} ${NOLTOFLAG}") else() set(WITH_AVX2 OFF) endif() endif() if(WITH_AVX512) check_avx512_intrinsics() if(HAVE_AVX512_INTRIN AND WITH_AVX2) add_definitions(-DX86_AVX512) list(APPEND AVX512_SRCS ${ARCHDIR}/adler32_avx512.c) add_feature_info(AVX512_ADLER32 1 "Support AVX512-accelerated adler32, using \"${AVX512FLAG}\"") list(APPEND ZLIB_ARCH_SRCS ${AVX512_SRCS}) list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/adler32_avx512_p.h) set_property(SOURCE ${AVX512_SRCS} PROPERTY COMPILE_FLAGS "${AVX512FLAG} ${NOLTOFLAG}") else() set(WITH_AVX512 OFF) endif() endif() if(WITH_AVX512VNNI) check_avx512vnni_intrinsics() if(HAVE_AVX512VNNI_INTRIN AND WITH_AVX2) add_definitions(-DX86_AVX512VNNI) add_feature_info(AVX512VNNI_ADLER32 1 "Support AVX512VNNI adler32, using \"${AVX512VNNIFLAG}\"") list(APPEND AVX512VNNI_SRCS ${ARCHDIR}/adler32_avx512_vnni.c) list(APPEND ZLIB_ARCH_SRCS ${AVX512VNNI_SRCS}) set_property(SOURCE ${AVX512VNNI_SRCS} PROPERTY COMPILE_FLAGS "${AVX512VNNIFLAG} ${NOLTOFLAG}") else() set(WITH_AVX512VNNI OFF) endif() endif() if(WITH_VPCLMULQDQ) check_vpclmulqdq_intrinsics() if(HAVE_VPCLMULQDQ_INTRIN AND WITH_PCLMULQDQ AND WITH_AVX512) add_definitions(-DX86_VPCLMULQDQ_CRC) set(VPCLMULQDQ_SRCS ${ARCHDIR}/crc32_vpclmulqdq.c) add_feature_info(VPCLMUL_CRC 1 "Support CRC hash generation using VPCLMULQDQ, using \"${PCLMULFLAG} ${VPCLMULFLAG} ${AVX512FLAG}\"") list(APPEND ZLIB_ARCH_SRCS ${VPCLMULQDQ_SRCS}) set_property(SOURCE ${VPCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${PCLMULFLAG} ${VPCLMULFLAG} ${AVX512FLAG} ${NOLTOFLAG}") else() set(WITH_VPCLMULQDQ OFF) endif() endif() endif() endif() message(STATUS "Architecture-specific source files: ${ZLIB_ARCH_SRCS}") #============================================================================ # zconf.h #============================================================================ macro(generate_cmakein input output) file(REMOVE ${output}) file(STRINGS ${input} _lines) foreach(_line IN LISTS _lines) string(REGEX REPLACE "#ifdef HAVE_UNISTD_H.*" "@ZCONF_UNISTD_LINE@" _line "${_line}") string(REGEX REPLACE "#ifdef NEED_PTRDIFF_T.*" "@ZCONF_PTRDIFF_LINE@" _line "${_line}") if(NEED_PTRDIFF_T) string(REGEX REPLACE "typedef PTRDIFF_TYPE" "typedef @PTRDIFF_TYPE@" _line "${_line}") endif() file(APPEND ${output} "${_line}\n") endforeach() endmacro(generate_cmakein) generate_cmakein( ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.in ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein ) 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 ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h) message(STATUS "Renaming") message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h") message(STATUS "to 'zconf${SUFFIX}.h.included' because this file is included with zlib") message(STATUS "but CMake generates it automatically in the build directory.") file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.included) endif() # If we're doing an out of source build and the user has a zconf.h.cmakein # in their source tree... if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein) message(STATUS "Renaming") message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein") message(STATUS "to 'zconf${SUFFIX}.h.cmakeincluded' because this file is included with zlib") message(STATUS "but CMake generates it automatically in the build directory.") file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakeincluded) endif() endif() # The user is allowed (but discouraged) to set absolute CMAKE_INSTALL_*DIR paths. # If they do, we copy these non-relocatable paths into the pkg-config file. if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}") set(PC_INC_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}") else() set(PC_INC_INSTALL_DIR "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}") endif() if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}") set(PC_LIB_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}") else() set(PC_LIB_INSTALL_DIR "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}") endif() #============================================================================ # zlib #============================================================================ set(ZLIB_PUBLIC_HDRS ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.h ) set(ZLIB_PRIVATE_HDRS adler32_p.h chunkset_tpl.h compare256_rle.h arch_functions.h crc32_braid_p.h crc32_braid_comb_p.h crc32_braid_tbl.h deflate.h deflate_p.h functable.h inffast_tpl.h inffixed_tbl.h inflate.h inflate_p.h inftrees.h insert_string_tpl.h match_tpl.h trees.h trees_emit.h trees_tbl.h zbuild.h zendian.h zutil.h ) set(ZLIB_SRCS arch/generic/adler32_c.c arch/generic/adler32_fold_c.c arch/generic/chunkset_c.c arch/generic/compare256_c.c arch/generic/crc32_braid_c.c arch/generic/crc32_fold_c.c arch/generic/slide_hash_c.c adler32.c compress.c crc32.c crc32_braid_comb.c deflate.c deflate_fast.c deflate_huff.c deflate_medium.c deflate_quick.c deflate_rle.c deflate_slow.c deflate_stored.c functable.c infback.c inflate.c inftrees.c insert_string.c insert_string_roll.c trees.c uncompr.c zutil.c ) if(WITH_RUNTIME_CPU_DETECTION) list(APPEND ZLIB_PRIVATE_HDRS cpu_features.h) list(APPEND ZLIB_SRCS cpu_features.c) endif() set(ZLIB_GZFILE_PRIVATE_HDRS gzguts.h ) set(ZLIB_GZFILE_SRCS gzlib.c ${CMAKE_CURRENT_BINARY_DIR}/gzread.c gzwrite.c ) set(ZLIB_ALL_SRCS ${ZLIB_SRCS} ${ZLIB_ARCH_HDRS} ${ZLIB_ARCH_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) if(WITH_GZFILEOP) list(APPEND ZLIB_ALL_SRCS ${ZLIB_GZFILE_PRIVATE_HDRS} ${ZLIB_GZFILE_SRCS}) endif() if(NOT DEFINED ZLIB_BUILD_SHARED_LIBS OR ZLIB_BUILD_SHARED_LIBS) set(ZLIB_DLL_SRCS win32/zlib${SUFFIX}1.rc) endif() if(NOT DEFINED ZLIB_BUILD_SHARED_LIBS) add_library(zlib SHARED ${ZLIB_ALL_SRCS} ${ZLIB_DLL_SRCS}) add_library(zlibstatic STATIC ${ZLIB_ALL_SRCS}) set(ZLIB_INSTALL_LIBRARIES zlib zlibstatic) else() if(ZLIB_BUILD_SHARED_LIBS) add_library(zlib SHARED ${ZLIB_ALL_SRCS} ${ZLIB_DLL_SRCS}) target_sources(zlib PRIVATE ${ZLIB_DLL_SRCS}) else() add_library(zlib STATIC ${ZLIB_ALL_SRCS}) add_library(zlibstatic ALIAS zlib) endif() set(ZLIB_INSTALL_LIBRARIES zlib) endif() # INFO: Mimics official zlib CMake target # Generates ZLIB.cmake in case ZLIB_COMPAT=ON and always exports the CMake target ZLIB::ZLIB # In case ZLIB_COMPAT=OFF, the CMake target and file follows zlib-ng naming convention if (ZLIB_COMPAT) if (TARGET zlib) set_target_properties(zlib PROPERTIES EXPORT_NAME ZLIB) else() set_target_properties(zlibstatic PROPERTIES EXPORT_NAME ZLIB) endif() endif() include_directories(${CMAKE_CURRENT_SOURCE_DIR}) include_directories(${ARCHDIR}) include_directories(${CMAKE_CURRENT_SOURCE_DIR}/arch/generic) foreach(ZLIB_INSTALL_LIBRARY ${ZLIB_INSTALL_LIBRARIES}) if(NOT ZLIB_COMPAT) target_compile_definitions(${ZLIB_INSTALL_LIBRARY} PUBLIC ZLIBNG_NATIVE_API) endif() target_include_directories(${ZLIB_INSTALL_LIBRARY} PUBLIC "$${CMAKE_CURRENT_SOURCE_DIR}>" "$") endforeach() if(WIN32) # Shared library if(NOT DEFINED ZLIB_BUILD_SHARED_LIBS OR ZLIB_BUILD_SHARED_LIBS) set_target_properties(zlib PROPERTIES OUTPUT_NAME zlib${SUFFIX}) endif() # Static library if(NOT DEFINED ZLIB_BUILD_SHARED_LIBS) if(MSVC) set_target_properties(zlibstatic PROPERTIES OUTPUT_NAME zlibstatic${SUFFIX}) else() set_target_properties(zlibstatic PROPERTIES OUTPUT_NAME z${SUFFIX}) endif() elseif(NOT ZLIB_BUILD_SHARED_LIBS) if(MSVC) set_target_properties(zlib PROPERTIES OUTPUT_NAME zlibstatic${SUFFIX}) else() set_target_properties(zlib PROPERTIES OUTPUT_NAME z${SUFFIX}) endif() endif() else() # On unix-like platforms the library is almost always called libz set_target_properties(${ZLIB_INSTALL_LIBRARIES} PROPERTIES OUTPUT_NAME z${SUFFIX}) endif() if(NOT DEFINED ZLIB_BUILD_SHARED_LIBS OR ZLIB_BUILD_SHARED_LIBS) set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) if(ZLIB_COMPAT) set_target_properties(zlib PROPERTIES SOVERSION 1) else() set_target_properties(zlib PROPERTIES SOVERSION 2) 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 ${ZLIB_FULL_VERSION}) endif() if(UNIX) if(HAVE_NO_INTERPOSITION) set_target_properties(zlib PROPERTIES COMPILE_FLAGS "-fno-semantic-interposition") endif() if(NOT APPLE AND NOT CMAKE_SYSTEM_NAME STREQUAL AIX) if(NOT ZLIB_COMPAT) add_definitions(-DHAVE_SYMVER) endif() set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib${SUFFIX}.map\"") endif() endif() if(MSYS) # Suppress version number from shared library name set(CMAKE_SHARED_LIBRARY_NAME_WITH_VERSION 0) elseif(WIN32) # Creates zlib1.dll when building shared library version if(ZLIB_COMPAT) set_target_properties(zlib PROPERTIES SUFFIX "1.dll") else() set_target_properties(zlib PROPERTIES SUFFIX "2.dll") endif() endif() endif() if(HAVE_UNISTD_H) SET(ZCONF_UNISTD_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") else() SET(ZCONF_UNISTD_LINE "#if 0 /* was set to #if 0 by configure/cmake/etc */") endif() if(NEED_PTRDIFF_T) SET(ZCONF_PTRDIFF_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") else() SET(ZCONF_PTRDIFF_LINE "#ifdef NEED_PTRDIFF_T /* may be set to #if 1 by configure/cmake/etc */") endif() set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.pc) if(WITH_GZFILEOP) set(PKG_CONFIG_CFLAGS "-DWITH_GZFILEOP") endif() configure_file(${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h @ONLY) configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib${SUFFIX}.h.in ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.h @ONLY) configure_file(${CMAKE_CURRENT_SOURCE_DIR}/gzread.c.in ${CMAKE_CURRENT_BINARY_DIR}/gzread.c @ONLY) if (NOT ZLIB_SYMBOL_PREFIX STREQUAL "") add_feature_info(ZLIB_SYMBOL_PREFIX ON "Publicly exported symbols have a custom prefix") configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib_name_mangling${SUFFIX}.h.in ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h @ONLY) else() add_feature_info(ZLIB_SYMBOL_PREFIX OFF "Publicly exported symbols DO NOT have a custom prefix") configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib_name_mangling.h.empty ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h COPYONLY) endif() # add_definitions(-DZLIB_SYMBOL_PREFIX=${ZLIB_SYMBOL_PREFIX}) # not needed if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL) install(TARGETS ${ZLIB_INSTALL_LIBRARIES} EXPORT ${EXPORT_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") endif() if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" RENAME zlib${SUFFIX}.h) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" RENAME zlib_name_mangling${SUFFIX}.h) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" RENAME zconf${SUFFIX}.h) endif() if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL) install(FILES ${ZLIB_PC} DESTINATION "${PKGCONFIG_INSTALL_DIR}") install(EXPORT ${EXPORT_NAME} DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${EXPORT_NAME}" NAMESPACE ${EXPORT_NAME}::) # Use GNU-style variable names set(INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_INCLUDEDIR}) set(LIB_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}) if (ZLIB_COMPAT) set(PACKAGE_CONFIGNAME zlib) set(PACKAGE_VERSION ${ZLIB_HEADER_VERSION}) else() set(PACKAGE_CONFIGNAME zlib-ng) set(PACKAGE_VERSION ${ZLIBNG_HEADER_VERSION}) endif() endif() #============================================================================ # Example binaries #============================================================================ if(ZLIB_ENABLE_TESTS) enable_testing() if(ZLIB_BUILD_SHARED_LIBS) if(ZLIBNG_ENABLE_TESTS) message(STATUS "Disabling zlib-ng tests because shared libraries are enabled") set(ZLIBNG_ENABLE_TESTS OFF) endif() if(WITH_BENCHMARKS OR WITH_BENCHMARK_APPS) message(STATUS "Disabling benchmarks because shared libraries are enabled") set(WITH_BENCHMARKS OFF) set(WITH_BENCHMARK_APPS OFF) endif() endif() add_subdirectory(test) endif() add_feature_info(WITH_GZFILEOP WITH_GZFILEOP "Compile with support for gzFile related functions") add_feature_info(ZLIB_COMPAT ZLIB_COMPAT "Compile with zlib compatible API") add_feature_info(ZLIB_ENABLE_TESTS ZLIB_ENABLE_TESTS "Build test binaries") add_feature_info(ZLIBNG_ENABLE_TESTS ZLIBNG_ENABLE_TESTS "Test zlib-ng specific API") add_feature_info(WITH_SANITIZER WITH_SANITIZER "Enable sanitizer support") add_feature_info(WITH_GTEST WITH_GTEST "Build gtest_zlib") add_feature_info(WITH_FUZZERS WITH_FUZZERS "Build test/fuzz") add_feature_info(WITH_BENCHMARKS WITH_BENCHMARKS "Build test/benchmarks") add_feature_info(WITH_BENCHMARK_APPS WITH_BENCHMARK_APPS "Build application benchmarks") add_feature_info(WITH_OPTIM WITH_OPTIM "Build with optimisation") add_feature_info(WITH_NEW_STRATEGIES WITH_NEW_STRATEGIES "Use new strategies") add_feature_info(WITH_NATIVE_INSTRUCTIONS WITH_NATIVE_INSTRUCTIONS "Instruct the compiler to use the full instruction set on this host (gcc/clang -march=native)") add_feature_info(WITH_RUNTIME_CPU_DETECTION WITH_RUNTIME_CPU_DETECTION "Build with runtime CPU detection") add_feature_info(WITH_MAINTAINER_WARNINGS WITH_MAINTAINER_WARNINGS "Build with project maintainer warnings") add_feature_info(WITH_CODE_COVERAGE WITH_CODE_COVERAGE "Enable code coverage reporting") add_feature_info(WITH_INFLATE_STRICT WITH_INFLATE_STRICT "Build with strict inflate distance checking") add_feature_info(WITH_INFLATE_ALLOW_INVALID_DIST WITH_INFLATE_ALLOW_INVALID_DIST "Build with zero fill for inflate invalid distances") if(BASEARCH_ARM_FOUND) add_feature_info(WITH_ACLE WITH_ACLE "Build with ACLE") add_feature_info(WITH_NEON WITH_NEON "Build with NEON intrinsics") add_feature_info(WITH_ARMV6 WITH_ARMV6 "Build with ARMv6 SIMD") elseif(BASEARCH_PPC_FOUND) add_feature_info(WITH_ALTIVEC WITH_ALTIVEC "Build with AltiVec optimisations") add_feature_info(WITH_POWER8 WITH_POWER8 "Build with optimisations for POWER8") add_feature_info(WITH_POWER9 WITH_POWER9 "Build with optimisations for POWER9") elseif(BASEARCH_RISCV_FOUND) add_feature_info(WITH_RVV WITH_RVV "Build with RVV intrinsics") elseif(BASEARCH_S360_FOUND) add_feature_info(WITH_DFLTCC_DEFLATE WITH_DFLTCC_DEFLATE "Build with DFLTCC intrinsics for compression on IBM Z") add_feature_info(WITH_DFLTCC_INFLATE WITH_DFLTCC_INFLATE "Build with DFLTCC intrinsics for decompression on IBM Z") add_feature_info(WITH_CRC32_VX WITH_CRC32_VX "Build with vectorized CRC32 on IBM Z") elseif(BASEARCH_X86_FOUND) add_feature_info(WITH_AVX2 WITH_AVX2 "Build with AVX2") add_feature_info(WITH_AVX512 WITH_AVX512 "Build with AVX512") add_feature_info(WITH_AVX512VNNI WITH_AVX512VNNI "Build with AVX512 VNNI") add_feature_info(WITH_SSE2 WITH_SSE2 "Build with SSE2") add_feature_info(WITH_SSSE3 WITH_SSSE3 "Build with SSSE3") add_feature_info(WITH_SSE42 WITH_SSE42 "Build with SSE42") add_feature_info(WITH_PCLMULQDQ WITH_PCLMULQDQ "Build with PCLMULQDQ") add_feature_info(WITH_VPCLMULQDQ WITH_VPCLMULQDQ "Build with VPCLMULQDQ") endif() add_feature_info(INSTALL_UTILS INSTALL_UTILS "Copy minigzip and minideflate during install") FEATURE_SUMMARY(WHAT ALL INCLUDE_QUIET_PACKAGES) if(ENABLE_SOLUTION_FOLDERS) set_target_properties(${ZLIB_INSTALL_LIBRARIES} PROPERTIES FOLDER "3rdparty") endif() if(NOT BUILD_SHARED_LIBS) ocv_install_target(${ZLIB_INSTALL_LIBRARIES} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev) endif() ocv_install_3rdparty_licenses(${ZLIB_INSTALL_LIBRARIES} LICENSE.md)