if(BUILD_FUZZTEST)
  add_subdirectory(fuzztest)
elseif(BUILD_TESTS)
  # fuzztest includes gtest, but if we're not building fuzztest, build gtest ourselves.
  add_library(gtest STATIC googletest/googletest/src/gtest-all.cc)
  add_library(gtest_main STATIC googletest/googletest/src/gtest_main.cc)
  target_compile_options(gtest PRIVATE "-fno-rtti")
  target_compile_options(gtest_main PRIVATE "-fno-rtti")
  include_directories(
    googletest/googletest
    googletest/googletest/include
  )
endif()

if(BUILD_LLVM_DWARF)
  add_subdirectory(llvm-project)
endif()

if(BUILD_MIMALLOC)
  # Match static/dynamic linking between libbinaryen and mimalloc
  set(MI_BUILD_STATIC ${BUILD_STATIC_LIB})
  if (BUILD_STATIC_LIB)
    set(MI_BUILD_SHARED OFF)
  endif()
  set(MI_BUILD_OBJECT OFF)
  set(MI_BUILD_TESTS OFF)
  set(MI_INSTALL_TOPLEVEL ON)
  # Without this flag the resulting arm64 binary won't run on arm8-a devices
  # such as the Raspberry Pi 4.
  # This should probably be `MI_OPT_ARCH OFF` but that doesn't currently seem to
  # work. See: https://github.com/microsoft/mimalloc/issues/1095
  if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64|armv[89].?|ARM64)$")
    set(MI_NO_OPT_ARCH ON)
  endif()
  # Do not show debug and warning messages of the allocator by default.
  # (They can still be enabled via MIMALLOC_VERBOSE=1 wasm-opt ...)
  add_compile_definitions(MI_DEBUG=0)
  
  if(BUILD_STATIC_LIB)
    # No need to install libmimalloc.a when it's linked statically into the tools.
    add_subdirectory(mimalloc EXCLUDE_FROM_ALL)
  else()
    add_subdirectory(mimalloc)
  endif()
endif()