mirror of
https://github.com/BLAKE3-team/BLAKE3
synced 2024-09-20 15:33:10 +02:00
54930c9522
Changes since 1.5.0: - The Rust crate is now compatible with Miri. - ~1% performance improvement on Arm NEON contributed by @divinity76 (#384). - Various fixes and improvements in the CMake build. - The MSRV of b3sum is now 1.74.1. (The MSRV of the library crate is unchanged, 1.66.1.)
205 lines
6.7 KiB
CMake
205 lines
6.7 KiB
CMake
cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
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# respect C_EXTENSIONS OFF without explicitly setting C_STANDARD
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if (POLICY CMP0128)
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cmake_policy(SET CMP0128 NEW)
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endif()
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project(libblake3
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VERSION 1.5.1
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DESCRIPTION "BLAKE3 C implementation"
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LANGUAGES C ASM
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)
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include(FeatureSummary)
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include(GNUInstallDirs)
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# architecture lists for which to enable assembly / SIMD sources
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set(BLAKE3_AMD64_NAMES amd64 AMD64 x86_64)
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set(BLAKE3_X86_NAMES i686 x86 X86)
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set(BLAKE3_ARMv8_NAMES aarch64 AArch64 arm64 ARM64 armv8 armv8a)
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# default SIMD compiler flag configuration (can be overriden by toolchains or CLI)
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if(MSVC)
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set(BLAKE3_CFLAGS_SSE2 "/arch:SSE2" CACHE STRING "the compiler flags to enable SSE2")
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# MSVC has no dedicated sse4.1 flag (see https://learn.microsoft.com/en-us/cpp/build/reference/arch-x86?view=msvc-170)
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set(BLAKE3_CFLAGS_SSE4.1 "/arch:AVX" CACHE STRING "the compiler flags to enable SSE4.1")
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set(BLAKE3_CFLAGS_AVX2 "/arch:AVX2" CACHE STRING "the compiler flags to enable AVX2")
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set(BLAKE3_CFLAGS_AVX512 "/arch:AVX512" CACHE STRING "the compiler flags to enable AVX512")
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elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU"
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OR CMAKE_C_COMPILER_ID STREQUAL "Clang"
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OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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set(BLAKE3_CFLAGS_SSE2 "-msse2" CACHE STRING "the compiler flags to enable SSE2")
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set(BLAKE3_CFLAGS_SSE4.1 "-msse4.1" CACHE STRING "the compiler flags to enable SSE4.1")
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set(BLAKE3_CFLAGS_AVX2 "-mavx2" CACHE STRING "the compiler flags to enable AVX2")
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set(BLAKE3_CFLAGS_AVX512 "-mavx512f -mavx512vl" CACHE STRING "the compiler flags to enable AVX512")
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if (CMAKE_SYSTEM_PROCESSOR IN_LIST BLAKE3_ARMv8_NAMES
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AND NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
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# 32-bit ARMv8 needs NEON to be enabled explicitly
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set(BLAKE3_CFLAGS_NEON "-mfpu=neon" CACHE STRING "the compiler flags to enable NEON")
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endif()
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endif()
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# library target
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add_library(blake3
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blake3.c
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blake3_dispatch.c
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blake3_portable.c
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)
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add_library(BLAKE3::blake3 ALIAS blake3)
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# library configuration
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set(BLAKE3_PKGCONFIG_CFLAGS)
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if (BUILD_SHARED_LIBS)
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target_compile_definitions(blake3
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PUBLIC BLAKE3_DLL
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PRIVATE BLAKE3_DLL_EXPORTS
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)
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list(APPEND BLAKE3_PKGCONFIG_CFLAGS -DBLAKE3_DLL)
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endif()
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target_include_directories(blake3 PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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set_target_properties(blake3 PROPERTIES
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VERSION ${PROJECT_VERSION}
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SOVERSION 0
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C_VISIBILITY_PRESET hidden
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C_EXTENSIONS OFF
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)
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target_compile_features(blake3 PUBLIC c_std_99)
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# ensure C_EXTENSIONS OFF is respected without overriding CMAKE_C_STANDARD
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# which may be set by the user or toolchain file
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if (NOT POLICY CMP0128 AND NOT DEFINED CMAKE_C_STANDARD)
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set_target_properties(blake3 PROPERTIES C_STANDARD 99)
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endif()
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# optional SIMD sources
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macro(BLAKE3_DISABLE_SIMD)
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set(BLAKE3_SIMD_AMD64_ASM OFF)
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set(BLAKE3_SIMD_X86_INTRINSICS OFF)
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set(BLAKE3_SIMD_NEON_INTRINSICS OFF)
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target_compile_definitions(blake3 PRIVATE
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BLAKE3_USE_NEON=0
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BLAKE3_NO_SSE2
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BLAKE3_NO_SSE41
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BLAKE3_NO_AVX2
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BLAKE3_NO_AVX512
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)
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endmacro()
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if(CMAKE_SYSTEM_PROCESSOR IN_LIST BLAKE3_AMD64_NAMES OR BLAKE3_USE_AMD64_ASM)
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set(BLAKE3_SIMD_AMD64_ASM ON)
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if(MSVC)
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enable_language(ASM_MASM)
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target_sources(blake3 PRIVATE
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blake3_avx2_x86-64_windows_msvc.asm
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blake3_avx512_x86-64_windows_msvc.asm
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blake3_sse2_x86-64_windows_msvc.asm
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blake3_sse41_x86-64_windows_msvc.asm
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)
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elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU"
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OR CMAKE_C_COMPILER_ID STREQUAL "Clang"
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OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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if (WIN32)
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target_sources(blake3 PRIVATE
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blake3_avx2_x86-64_windows_gnu.S
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blake3_avx512_x86-64_windows_gnu.S
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blake3_sse2_x86-64_windows_gnu.S
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blake3_sse41_x86-64_windows_gnu.S
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)
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elseif(UNIX)
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target_sources(blake3 PRIVATE
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blake3_avx2_x86-64_unix.S
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blake3_avx512_x86-64_unix.S
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blake3_sse2_x86-64_unix.S
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blake3_sse41_x86-64_unix.S
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)
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else()
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BLAKE3_DISABLE_SIMD()
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endif()
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else()
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BLAKE3_DISABLE_SIMD()
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endif()
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elseif((CMAKE_SYSTEM_PROCESSOR IN_LIST BLAKE3_X86_NAMES OR BLAKE3_USE_X86_INTRINSICS)
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AND DEFINED BLAKE3_CFLAGS_SSE2
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AND DEFINED BLAKE3_CFLAGS_SSE4.1
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AND DEFINED BLAKE3_CFLAGS_AVX2
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AND DEFINED BLAKE3_CFLAGS_AVX512)
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set(BLAKE3_SIMD_X86_INTRINSICS ON)
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target_sources(blake3 PRIVATE
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blake3_avx2.c
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blake3_avx512.c
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blake3_sse2.c
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blake3_sse41.c
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)
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set_source_files_properties(blake3_avx2.c PROPERTIES COMPILE_FLAGS "${BLAKE3_CFLAGS_AVX2}")
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set_source_files_properties(blake3_avx512.c PROPERTIES COMPILE_FLAGS "${BLAKE3_CFLAGS_AVX512}")
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set_source_files_properties(blake3_sse2.c PROPERTIES COMPILE_FLAGS "${BLAKE3_CFLAGS_SSE2}")
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set_source_files_properties(blake3_sse41.c PROPERTIES COMPILE_FLAGS "${BLAKE3_CFLAGS_SSE4.1}")
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elseif((CMAKE_SYSTEM_PROCESSOR IN_LIST BLAKE3_ARMv8_NAMES
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OR ANDROID_ABI STREQUAL "armeabi-v7a"
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OR BLAKE3_USE_NEON_INTRINSICS)
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AND (DEFINED BLAKE3_CFLAGS_NEON
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OR CMAKE_SIZEOF_VOID_P EQUAL 8))
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set(BLAKE3_SIMD_NEON_INTRINSICS ON)
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target_sources(blake3 PRIVATE
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blake3_neon.c
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)
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target_compile_definitions(blake3 PRIVATE
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BLAKE3_USE_NEON=1
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)
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if (DEFINED BLAKE3_CFLAGS_NEON)
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set_source_files_properties(blake3_neon.c PROPERTIES COMPILE_FLAGS "${BLAKE3_CFLAGS_NEON}")
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endif()
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else()
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BLAKE3_DISABLE_SIMD()
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endif()
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# cmake install support
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install(FILES blake3.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
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install(TARGETS blake3 EXPORT blake3-targets)
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install(EXPORT blake3-targets
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NAMESPACE BLAKE3::
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/blake3"
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)
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include(CMakePackageConfigHelpers)
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configure_package_config_file(blake3-config.cmake.in
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"${CMAKE_CURRENT_BINARY_DIR}/blake3-config.cmake"
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INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/blake3"
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)
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write_basic_package_version_file(
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"${CMAKE_CURRENT_BINARY_DIR}/blake3-config-version.cmake"
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VERSION ${libblake3_VERSION}
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COMPATIBILITY SameMajorVersion
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)
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install(FILES
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"${CMAKE_CURRENT_BINARY_DIR}/blake3-config.cmake"
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"${CMAKE_CURRENT_BINARY_DIR}/blake3-config-version.cmake"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/blake3"
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)
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configure_file(libblake3.pc.in libblake3.pc @ONLY)
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install(FILES "${CMAKE_BINARY_DIR}/libblake3.pc"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
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# print feature summary
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add_feature_info("AMD64 assembly" BLAKE3_SIMD_AMD64_ASM "The library uses hand written amd64 SIMD assembly.")
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add_feature_info("x86 SIMD intrinsics" BLAKE3_SIMD_X86_INTRINSICS "The library uses x86 SIMD intrinsics.")
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add_feature_info("NEON SIMD intrinsics" BLAKE3_SIMD_NEON_INTRINSICS "The library uses NEON SIMD intrinsics.")
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feature_summary(WHAT ENABLED_FEATURES)
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