93 lines
3.6 KiB
CMake
93 lines
3.6 KiB
CMake
# The Flutter tooling requires that developers have CMake 3.10 or later
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# installed. You should not increase this version, as doing so will cause
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# the plugin to fail to compile for some customers of the plugin.
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cmake_minimum_required(VERSION 3.10)
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# Project-level configuration.
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set(PROJECT_NAME "whisper_ggml")
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project(${PROJECT_NAME} LANGUAGES C CXX)
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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find_package(Threads REQUIRED)
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# The native sources are shared with Android; both platforms build the same
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# vendored whisper.cpp v1.9.1 (CPU backend) plus the JSON request/stream API
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# in main.cpp.
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set(W ${CMAKE_CURRENT_SOURCE_DIR}/../android/src/whisper/whisper.cpp)
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# The arch/ sources are internally guarded per architecture, so compiling
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# arm + x86 everywhere is safe; the wrong-arch files compile to nothing.
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file(GLOB GGML_SRC
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${W}/ggml/src/*.c
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${W}/ggml/src/*.cpp
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${W}/ggml/src/ggml-cpu/*.c
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${W}/ggml/src/ggml-cpu/*.cpp
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${W}/ggml/src/ggml-cpu/arch/arm/*.c
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${W}/ggml/src/ggml-cpu/arch/arm/*.cpp
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${W}/ggml/src/ggml-cpu/arch/x86/*.c
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${W}/ggml/src/ggml-cpu/arch/x86/*.cpp
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${W}/ggml/src/ggml-cpu/amx/*.cpp
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)
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add_library(whisper_ggml_core STATIC ${GGML_SRC} ${W}/src/whisper.cpp)
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set_target_properties(whisper_ggml_core PROPERTIES POSITION_INDEPENDENT_CODE ON)
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target_include_directories(whisper_ggml_core PUBLIC
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${W}/include
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${W}/ggml/include
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${W}/ggml/src
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${W}/ggml/src/ggml-cpu
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${W}/src
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)
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target_compile_definitions(whisper_ggml_core PUBLIC GGML_USE_CPU)
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# glibc gates pthread affinity APIs (CPU_ZERO, pthread_getaffinity_np,
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# getcpu) behind _GNU_SOURCE; upstream ggml defines it on Linux too.
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target_compile_definitions(whisper_ggml_core PRIVATE _GNU_SOURCE)
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# Upstream generates these from git; we vendor a fixed release.
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target_compile_definitions(whisper_ggml_core PRIVATE
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GGML_VERSION="1.9.1"
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GGML_COMMIT="whisper.cpp-v1.9.1"
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WHISPER_VERSION="1.9.1"
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)
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# -O3 unconditionally: Flutter's Linux debug config would otherwise leave
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# inference an order of magnitude slower (mirrors the iOS/macOS/Windows
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# builds). The last -O flag wins with GCC/Clang.
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target_compile_options(whisper_ggml_core PRIVATE
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-O3 -ffunction-sections -fdata-sections
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)
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# AVX2 matches upstream whisper.cpp's standard x64 binaries and is supported
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# by virtually every x64 CPU since ~2013. Set WHISPER_GGML_AVX2=OFF for a
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# baseline SSE2 build if very old CPUs must be supported. Unlike MSVC,
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# GCC/Clang define the feature macros (__AVX2__ etc.) from -m flags.
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option(WHISPER_GGML_AVX2 "Build the x64 whisper backend with AVX2/FMA/F16C" ON)
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if(WHISPER_GGML_AVX2 AND CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|amd64|AMD64")
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target_compile_options(whisper_ggml_core PRIVATE -mavx2 -mfma -mf16c)
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endif()
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# The plugin shared library. Dart opens it by name ('libwhisper_ggml.so');
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# it is bundled into the app's lib/ directory, which is on the loader path.
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add_library(whisper_ggml_plugin SHARED
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${CMAKE_CURRENT_SOURCE_DIR}/../android/src/whisper/main.cpp
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)
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set_target_properties(whisper_ggml_plugin PROPERTIES OUTPUT_NAME "whisper_ggml")
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target_compile_definitions(whisper_ggml_plugin PUBLIC DART_SHARED_LIB)
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target_compile_options(whisper_ggml_plugin PRIVATE
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-O3 -ffunction-sections -fdata-sections
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)
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target_link_options(whisper_ggml_plugin PRIVATE -Wl,--gc-sections)
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target_link_libraries(whisper_ggml_plugin PRIVATE
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whisper_ggml_core
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Threads::Threads
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${CMAKE_DL_LIBS}
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m
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)
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# List of absolute paths to libraries that should be bundled with the plugin.
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set(whisper_ggml_bundled_libraries
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$<TARGET_FILE:whisper_ggml_plugin>
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PARENT_SCOPE
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)
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