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opencv/3rdparty/zlib-ng/CMakeLists.txt
Letu Ren 0de26fd78e Add zlib-ng as an alternative zlib implementation 
Zlib-ng is zlib replacement with optimizations for "next generation" systems. Its optimization may benifits image library decode and encode speed such as libpng. In our tests, if using zlib-ng and libpng combination on a x86_64 machine with AVX2, the time of `imdecode` amd `imencode` will drop 20% approximately. This patch enables zlib-ng's optimization if `CV_DISABLE_OPTIMIZATION` is OFF. Since Zlib-ng can dispatch intrinsics on the fly, port work is much easier.

Related discussion: https://github.com/opencv/opencv/issues/22573
2024-01-14 14:58:47 +08:00

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CMake
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project(${ZLIB_LIBRARY} LANGUAGES C)
if("c_std_11" IN_LIST CMAKE_C_COMPILE_FEATURES)
set(CMAKE_C_STANDARD 11) # The C standard whose features are requested to build this target
else()
set(CMAKE_C_STANDARD 99)
endif()
set(CMAKE_C_STANDARD_REQUIRED ON) # Boolean describing whether the value of C_STANDARD is a requirement
set(CMAKE_C_EXTENSIONS OFF) # Boolean specifying whether compiler specific extensions are requested
include(CheckTypeSize)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCSourceCompiles)
include(CheckCSourceRuns)
include(CheckCCompilerFlag)
include(CMakeDependentOption)
if(X86_64 OR X86)
set(BASEARCH_X86_FOUND TRUE)
endif()
if(AARCH64 OR ARM)
set(BASEARCH_ARM_FOUND TRUE)
endif()
if(PPC64LE OR PPC64)
set(BASEARCH_PPC_FOUND TRUE)
endif()
if(RISCV)
set(BASEARCH_RISCV_FOUND TRUE)
endif()
include(cmake/detect-intrinsics.cmake)
include(cmake/fallback-macros.cmake)
set(ZLIB_SYMBOL_PREFIX "")
if(BASEARCH_X86_FOUND)
set(WITH_AVX2 ON)
set(WITH_AVX512 ON)
set(WITH_AVX512VNNI ON)
set(WITH_SSE2 ON)
set(WITH_SSSE3 ON)
set(WITH_SSE42 ON)
set(WITH_PCLMULQDQ ON)
set(WITH_VPCLMULQDQ ON)
endif()
if(BASEARCH_ARM_FOUND)
set(WITH_ACLE ON)
set(WITH_NEON ON)
if(ARM)
set(WITH_ARMV6 ON)
else()
set(WITH_ARMV6 OFF)
endif()
endif()
if(BASEARCH_PPC_FOUND)
set(WITH_ALTIVEC ON)
set(WITH_POWER8 ON)
set(WITH_POWER9 ON)
endif()
if(BASEARCH_RISCV_FOUND)
set(WITH_RVV ON)
endif()
add_definitions(-DZLIB_COMPAT)
add_definitions(-DWITH_GZFILEOP)
if(CMAKE_C_COMPILER_ID MATCHES "^Intel")
set(WARNFLAGS_DISABLE)
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_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")
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(BASEARCH_ARM_FOUND)
if(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 <features.h>
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 <features.h>
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 "${ZLIB_LIBRARY} ARM floating point arch: ${FLOATABI}")
add_compile_options(${FLOATABI})
else()
message(STATUS "${ZLIB_LIBRARY} ARM floating point arch not auto-detected")
endif()
endif()
endif()
if(FNO_LTO_AVAILABLE)
set(NOLTOFLAG ${ZNOLTOFLAG})
endif()
if(MINGW)
# Add `-Wno-pedantic-ms-format` only if the toolchain supports it
check_c_compiler_flag(-Wno-pedantic-ms-format HAVE_NO_PEDANTIC_MS_FORMAT)
if(HAVE_NO_PEDANTIC_MS_FORMAT)
list(APPEND WARNFLAGS_DISABLE -Wno-pedantic-ms-format)
endif()
endif()
endif()
# Force disable LTO
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION OFF)
# Apply warning compiler flags
add_compile_options(${WARNFLAGS_DISABLE})
# Replace optimization level 3 added by default with level 2
if(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 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)
#
# 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_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 <stddef.h>
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(${SIZEOF_DATA_PTR} MATCHES "8")
set(PTRDIFF_TYPE "uint64_t")
else()
message(FATAL_ERROR "sizeof(void *) is neither 32 nor 64 bit")
endif()
endif()
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
endif()
set(ZLIB_ARCH_SRCS)
set(ZLIB_ARCH_HDRS)
set(ARCHDIR "arch/generic")
if(BASEARCH_X86_FOUND)
set(ARCHDIR "arch/x86")
endif()
if(BASEARCH_ARM_FOUND)
set(ARCHDIR "arch/arm")
endif()
if(BASEARCH_PPC_FOUND)
set(ARCHDIR "arch/power")
endif()
if(BASEARCH_RISCV_FOUND)
set(ARCHDIR "arch/riscv")
endif()
if(NOT CV_DISABLE_OPTIMIZATION)
if(BASEARCH_ARM_FOUND)
add_definitions(-DARM_FEATURES)
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
if("${ARCH}" MATCHES "aarch64")
check_c_source_compiles(
"#include <sys/auxv.h>
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 <sys/auxv.h>
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 <sys/auxv.h>
#include <asm/hwcap.h>
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 <sys/auxv.h>
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 <sys/auxv.h>
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_features.h)
list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/arm_features.c)
if(WITH_ACLE)
check_acle_compiler_flag()
if(HAVE_ACLE_FLAG)
add_definitions(-DARM_ACLE)
set(ACLE_SRCS ${ARCHDIR}/crc32_acle.c ${ARCHDIR}/insert_string_acle.c)
set_property(SOURCE ${ACLE_SRCS} PROPERTY COMPILE_FLAGS "${ACLEFLAG} ${NOLTOFLAG}")
list(APPEND ZLIB_ARCH_SRCS ${ACLE_SRCS})
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()
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})
if(HAVE_ARMV6_INTRIN)
add_definitions(-DARM_SIMD_INTRIN)
endif()
else()
set(WITH_ARMV6 OFF)
endif()
else()
set(WITH_ARMV6 OFF)
endif()
endif()
if(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(HAVE_VMX OR HAVE_POWER8_INTRIN OR HAVE_POWER9_INTRIN)
add_definitions(-DPOWER_FEATURES)
list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/power_features.h)
list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/power_features.c)
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})
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()
endif()
if(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_features.h)
list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/riscv_features.c)
# FIXME: we will not set compile flags for riscv_features.c when
# the kernels update hwcap or hwprobe for riscv
set(RVV_SRCS ${ARCHDIR}/riscv_features.c ${ARCHDIR}/adler32_rvv.c ${ARCHDIR}/chunkset_rvv.c ${ARCHDIR}/compare256_rvv.c ${ARCHDIR}/slide_hash_rvv.c)
list(APPEND ZLIB_ARCH_SRCS ${RVV_SRCS})
set_property(SOURCE ${RVV_SRCS} PROPERTY COMPILE_FLAGS "${RISCVFLAG} ${NOLTOFLAG}")
else()
set(WITH_RVV OFF)
endif()
endif()
endif()
if(BASEARCH_X86_FOUND)
add_definitions(-DX86_FEATURES)
list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/x86_features.h)
list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/x86_features.c)
if(MSVC)
list(APPEND ZLIB_ARCH_HDRS fallback_builtins.h)
endif()
if(WITH_AVX2)
check_avx2_intrinsics()
if(HAVE_AVX2_INTRIN)
add_definitions(-DX86_AVX2)
set(AVX2_SRCS ${ARCHDIR}/slide_hash_avx2.c)
list(APPEND AVX2_SRCS ${ARCHDIR}/chunkset_avx2.c)
list(APPEND AVX2_SRCS ${ARCHDIR}/compare256_avx2.c)
list(APPEND AVX2_SRCS ${ARCHDIR}/adler32_avx2.c)
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)
add_definitions(-DX86_AVX512)
list(APPEND AVX512_SRCS ${ARCHDIR}/adler32_avx512.c)
list(APPEND ZLIB_ARCH_SRCS ${AVX512_SRCS})
list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/adler32_avx512_p.h)
if(HAVE_MASK_INTRIN)
add_definitions(-DX86_MASK_INTRIN)
endif()
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)
add_definitions(-DX86_AVX512VNNI)
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_SSE42)
check_sse42_intrinsics()
if(HAVE_SSE42_INTRIN)
add_definitions(-DX86_SSE42)
set(SSE42_SRCS ${ARCHDIR}/adler32_sse42.c ${ARCHDIR}/insert_string_sse42.c)
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_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_definitions(-DX86_NOCHECK_SSE2)
endif()
else()
set(WITH_SSE2 OFF)
endif()
endif()
if(WITH_SSSE3)
check_ssse3_intrinsics()
if(HAVE_SSSE3_INTRIN)
add_definitions(-DX86_SSSE3)
set(SSSE3_SRCS ${ARCHDIR}/adler32_ssse3.c ${ARCHDIR}/chunkset_ssse3.c)
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_PCLMULQDQ AND WITH_SSSE3 AND WITH_SSE42)
check_pclmulqdq_intrinsics()
if(HAVE_PCLMULQDQ_INTRIN AND HAVE_SSSE3_INTRIN)
add_definitions(-DX86_PCLMULQDQ_CRC)
set(PCLMULQDQ_SRCS ${ARCHDIR}/crc32_pclmulqdq.c)
list(APPEND ZLIB_ARCH_SRCS ${PCLMULQDQ_SRCS})
set_property(SOURCE ${PCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${SSE42FLAG} ${PCLMULFLAG} ${NOLTOFLAG}")
if(WITH_VPCLMULQDQ AND WITH_AVX512)
check_vpclmulqdq_intrinsics()
if(HAVE_VPCLMULQDQ_INTRIN AND HAVE_AVX512_INTRIN)
add_definitions(-DX86_VPCLMULQDQ_CRC)
set(VPCLMULQDQ_SRCS ${ARCHDIR}/crc32_vpclmulqdq.c)
list(APPEND ZLIB_ARCH_SRCS ${VPCLMULQDQ_SRCS})
set_property(SOURCE ${VPCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${SSE42FLAG} ${PCLMULFLAG} ${VPCLMULFLAG} ${AVX512FLAG} ${NOLTOFLAG}")
else()
set(WITH_VPCLMULQDQ OFF)
endif()
else()
set(WITH_VPCLMULQDQ OFF)
endif()
else()
set(WITH_PCLMULQDQ OFF)
set(WITH_VPCLMULQDQ OFF)
endif()
else()
set(WITH_PCLMULQDQ OFF)
set(WITH_VPCLMULQDQ OFF)
endif()
check_xsave_intrinsics()
if(HAVE_XSAVE_INTRIN)
set_property(SOURCE ${ARCHDIR}/x86_features.c PROPERTY COMPILE_FLAGS "${XSAVEFLAG}")
endif()
endif()
endif()
#============================================================================
# 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.h.in ${CMAKE_CURRENT_BINARY_DIR}/zconf.h.cmakein )
#============================================================================
# zlib
#============================================================================
set(ZLIB_PUBLIC_HDRS
${CMAKE_CURRENT_BINARY_DIR}/zconf.h
${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling.h
${CMAKE_CURRENT_BINARY_DIR}/zlib.h
)
set(ZLIB_PRIVATE_HDRS
adler32_p.h
chunkset_tpl.h
compare256_rle.h
cpu_features.h
crc32_braid_p.h
crc32_braid_comb_p.h
crc32_braid_tbl.h
crc32_fold.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
adler32.c
adler32_fold.c
chunkset.c
compare256.c
compress.c
cpu_features.c
crc32_braid.c
crc32_braid_comb.c
crc32_fold.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
slide_hash.c
trees.c
uncompr.c
zutil.c
)
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})
list(APPEND ZLIB_ALL_SRCS ${ZLIB_GZFILE_PRIVATE_HDRS} ${ZLIB_GZFILE_SRCS})
add_library(zlib STATIC ${ZLIB_ALL_SRCS})
target_include_directories(zlib PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
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()
configure_file(${CMAKE_CURRENT_BINARY_DIR}/zconf.h.cmakein
${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib.h.in
${CMAKE_CURRENT_BINARY_DIR}/zlib.h @ONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/gzread.c.in
${CMAKE_CURRENT_BINARY_DIR}/gzread.c @ONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib_name_mangling.h.empty
${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h COPYONLY)
ocv_warnings_disable(CMAKE_C_FLAGS -Wmissing-prototypes
-Wundef
-Wmissing-declarations
)
set_target_properties(${ZLIB_LIBRARY} PROPERTIES
OUTPUT_NAME ${ZLIB_LIBRARY}
DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
COMPILE_PDB_NAME ${ZLIB_LIBRARY}
COMPILE_PDB_NAME_DEBUG "${ZLIB_LIBRARY}${OPENCV_DEBUG_POSTFIX}"
ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH}
)
if(ENABLE_SOLUTION_FOLDERS)
set_target_properties(${ZLIB_LIBRARY} PROPERTIES FOLDER "3rdparty")
endif()
if(NOT BUILD_SHARED_LIBS)
ocv_install_target(${ZLIB_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
endif()
ocv_install_3rdparty_licenses(${ZLIB_LIBRARY} LICENSE.md)
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