set(XNNPACK_USE_SYSTEM_LIBS ON CACHE INTERNAL "")
set(XNNPACK_BUILD_TESTS OFF CACHE INTERNAL "")
set(XNNPACK_BUILD_BENCHMARKS OFF CACHE INTERNAL "")
set(FP16_BUILD_TESTS OFF CACHE INTERNAL "")
set(FP16_BUILD_BENCHMARKS OFF CACHE INTERNAL "")
set(PTHREADPOOL_BUILD_TESTS OFF CACHE INTERNAL "")
set(PTHREADPOOL_BUILD_BENCHMARKS OFF CACHE INTERNAL "")

# BF16 instructions cause ICE in Android NDK compiler
if(CMAKE_ANDROID_ARCH_ABI STREQUAL armeabi-v7a)
  set(XNNPACK_ENABLE_ARM_BF16 OFF)
ENDIF()

# fp16 depends on psimd
FetchContent_Declare(psimd URL ${DEP_URL_psimd} URL_HASH SHA1=${DEP_SHA1_psimd})
onnxruntime_fetchcontent_makeavailable(psimd)
set(PSIMD_SOURCE_DIR ${psimd_SOURCE_DIR})
FetchContent_Declare(fp16 URL ${DEP_URL_fp16} URL_HASH SHA1=${DEP_SHA1_fp16})
onnxruntime_fetchcontent_makeavailable(fp16)

# pthreadpool depends on fxdiv
FetchContent_Declare(fxdiv URL ${DEP_URL_fxdiv} URL_HASH SHA1=${DEP_SHA1_fxdiv})
onnxruntime_fetchcontent_makeavailable(fxdiv)
set(FXDIV_SOURCE_DIR ${fxdiv_SOURCE_DIR})

FetchContent_Declare(pthreadpool URL ${DEP_URL_pthreadpool} URL_HASH SHA1=${DEP_SHA1_pthreadpool})
onnxruntime_fetchcontent_makeavailable(pthreadpool)
FetchContent_Declare(googlexnnpack URL ${DEP_URL_googlexnnpack}  URL_HASH SHA1=${DEP_SHA1_googlexnnpack}
PATCH_COMMAND ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PROJECT_SOURCE_DIR}/patches/xnnpack/AddEmscriptenAndIosSupport.patch)

onnxruntime_fetchcontent_makeavailable(googlexnnpack)
set(XNNPACK_DIR ${googlexnnpack_SOURCE_DIR})
set(XNNPACK_INCLUDE_DIR ${XNNPACK_DIR}/include)

set(onnxruntime_EXTERNAL_LIBRARIES_XNNPACK XNNPACK pthreadpool)

# the XNNPACK CMake setup doesn't include the WASM kernels so we have to manually set those up
if(onnxruntime_BUILD_WEBASSEMBLY)
  file(READ "${XNNPACK_DIR}/BUILD.bazel" xnnpack_bazel_config)

  # Replace newlines with semicolon so that it is treated as a list by CMake
  # Also replace '[' and ']' so the bazel source lists don't get parsed as a nested list by cmake
  string(REPLACE "\n" ";" xnnpack_bazel_config "${xnnpack_bazel_config}")
  string(REPLACE "[" "{" xnnpack_bazel_config "${xnnpack_bazel_config}")
  string(REPLACE "]" "}" xnnpack_bazel_config "${xnnpack_bazel_config}")

  function(GetSrcListFromBazel src_list_name target_srcs)
    set(_InSection FALSE)
    set(bazel_srcs "")

    foreach(_line ${xnnpack_bazel_config})
      if(NOT _InSection)
        if(_line MATCHES "^${src_list_name} = \\{")
          set(_InSection TRUE)
        endif()
      else()
        if(_line MATCHES "^\\}")
          set(_InSection FALSE)
        else()
          # parse filename from quoted string with trailing comma
          string(REPLACE "\"" "" _line "${_line}")
          string(REPLACE "," "" _line "${_line}")
          string(STRIP "${_line}" _line)

          list(APPEND bazel_srcs "${XNNPACK_DIR}/${_line}")
        endif()
      endif()
    endforeach()

    set(${target_srcs} ${bazel_srcs} PARENT_SCOPE)
  endfunction()

  GetSrcListFromBazel("PROD_SCALAR_WASM_MICROKERNEL_SRCS" prod_scalar_wasm_srcs)
  GetSrcListFromBazel("ALL_WASM_MICROKERNEL_SRCS" all_wasm_srcs)
  GetSrcListFromBazel("WASM32_ASM_MICROKERNEL_SRCS" wasm32_asm_srcs)

  message(DEBUG "prod_scalar_wasm_srcs: ${prod_scalar_wasm_srcs}\n")
  message(DEBUG "all_wasm_srcs: ${all_wasm_srcs}\n")
  message(DEBUG "wasm32_asm_srcs: ${wasm32_asm_srcs}\n")

  message("Adding WebAssembly Source Files to XNNPACK")
  set(wasm_srcs "")
  list(APPEND wasm_srcs ${prod_scalar_wasm_srcs})
  list(APPEND wasm_srcs ${all_wasm_srcs})
  list(APPEND wasm_srcs ${wasm32_asm_srcs})

  target_sources(XNNPACK PRIVATE ${wasm_srcs})

  if(onnxruntime_ENABLE_WEBASSEMBLY_SIMD)
    GetSrcListFromBazel("ALL_WASMSIMD_MICROKERNEL_SRCS" all_wasmsimd_srcs)
    message(DEBUG "all_wasmsimd_srcs: ${all_wasmsimd_srcs}")
    target_sources(XNNPACK PRIVATE ${all_wasmsimd_srcs})
  endif()
endif()