cmake_minimum_required(VERSION 3.10)

project(whisper.cpp)

set(CMAKE_CXX_STANDARD 11)
set(WHISPER_LIB_DIR ${CMAKE_SOURCE_DIR}/../../../../../../../)

set(SOURCE_FILES
    ${WHISPER_LIB_DIR}/ggml/src/ggml.c
    ${WHISPER_LIB_DIR}/ggml/src/ggml-aarch64.c
    ${WHISPER_LIB_DIR}/ggml/src/ggml-alloc.c
    ${WHISPER_LIB_DIR}/ggml/src/ggml-backend.cpp
    ${WHISPER_LIB_DIR}/ggml/src/ggml-quants.c
    ${WHISPER_LIB_DIR}/src/whisper.cpp
    ${CMAKE_SOURCE_DIR}/jni.c
    )

find_library(LOG_LIB log)

function(build_library target_name)
    add_library(
        ${target_name}
        SHARED
        ${SOURCE_FILES}
    )

    target_link_libraries(${target_name} ${LOG_LIB} android)

    if (${target_name} STREQUAL "whisper_v8fp16_va")
        target_compile_options(${target_name} PRIVATE -march=armv8.2-a+fp16)
    elseif (${target_name} STREQUAL "whisper_vfpv4")
        target_compile_options(${target_name} PRIVATE -mfpu=neon-vfpv4)
    endif ()

    if (NOT ${CMAKE_BUILD_TYPE} STREQUAL "Debug")

        target_compile_options(${target_name} PRIVATE -O3)
        target_compile_options(${target_name} PRIVATE -fvisibility=hidden -fvisibility-inlines-hidden)
        target_compile_options(${target_name} PRIVATE -ffunction-sections -fdata-sections)

        #target_link_options(${target_name} PRIVATE -Wl,--gc-sections)
        #target_link_options(${target_name} PRIVATE -Wl,--exclude-libs,ALL)
        #target_link_options(${target_name} PRIVATE -flto)
    endif ()
endfunction()

build_library("whisper") # Default target

if (${ANDROID_ABI} STREQUAL "arm64-v8a")
    build_library("whisper_v8fp16_va")
elseif (${ANDROID_ABI} STREQUAL "armeabi-v7a")
    build_library("whisper_vfpv4")
endif ()

include_directories(${WHISPER_LIB_DIR})
include_directories(${WHISPER_LIB_DIR}/src)
include_directories(${WHISPER_LIB_DIR}/include)
include_directories(${WHISPER_LIB_DIR}/ggml/include)
include_directories(${WHISPER_LIB_DIR}/ggml/src)