include(CompilerRTCompile)

include_directories(..)

# Unit tests target.
add_custom_target(OrcRTUnitTests)
set_target_properties(OrcRTUnitTests PROPERTIES FOLDER "OrcRT unittests")

# Testing tools target.
add_custom_target(OrcRTTools)
set_target_properties(OrcRTTools PROPERTIES FOLDER "OrcRT tools")

set(ORC_UNITTEST_CFLAGS
# FIXME: This should be set for all unit tests.
  -std=c++17
  ${ORC_CFLAGS}
  ${COMPILER_RT_UNITTEST_CFLAGS}
  -I${COMPILER_RT_SOURCE_DIR}/lib/orc
  )

function(add_orc_lib library)
  add_library(${library} STATIC ${ARGN})
  set_target_properties(${library} PROPERTIES
    ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
    FOLDER "Compiler-RT Runtime tests")
endfunction()

function(get_orc_lib_for_arch arch lib)
  if(APPLE)
    if("osx" IN_LIST ORC_SUPPORTED_OS)
      set(tgt_name "RTOrc.test.osx")
    endif()
  else()
    set(tgt_name "RTOrc.test.${arch}")
  endif()
  set(${lib} "${tgt_name}" PARENT_SCOPE)
endfunction()

set(ORC_TEST_ARCH ${ORC_SUPPORTED_ARCH})
set(ORC_UNITTEST_LINK_FLAGS
  ${COMPILER_RT_UNITTEST_LINK_FLAGS}
  ${CMAKE_THREAD_LIBS_INIT}
  ${COMPILER_RT_UNWINDER_LINK_LIBS}
  ${COMPILER_RT_CXX_LINK_LIBS})

if(APPLE)
  darwin_filter_host_archs(ORC_SUPPORTED_ARCH ORC_TEST_ARCH)
  list(APPEND ORC_UNITTEST_CFLAGS ${DARWIN_osx_CFLAGS})
  list(APPEND ORC_UNITTEST_LINK_FLAGS ${DARWIN_osx_LINK_FLAGS})
else()
  append_list_if(COMPILER_RT_HAS_LIBM -lm ORC_UNITTEST_LINK_FLAGS)
  append_list_if(COMPILER_RT_HAS_LIBRT -lrt ORC_UNITTEST_LINK_FLAGS)
  append_list_if(COMPILER_RT_HAS_LIBDL -ldl ORC_UNITTEST_LINK_FLAGS)
  append_list_if(COMPILER_RT_HAS_LIBPTHREAD -pthread ORC_UNITTEST_LINK_FLAGS)
  append_list_if(COMPILER_RT_HAS_LIBEXECINFO -lexecinfo ORC_UNITTEST_LINK_FLAGS)
endif()

set(ORC_DEPS orc)
# ORC uses C++ standard library headers.
if (TARGET cxx-headers OR HAVE_LIBCXX)
  list(APPEND ORC_DEPS cxx-headers)
endif()

macro(add_orc_unittest testname)
  cmake_parse_arguments(TEST "" "" "SOURCES;HEADERS" ${ARGN})
  if(UNIX)
    foreach(arch ${ORC_TEST_ARCH})
      set(TEST_OBJECTS)
      get_orc_lib_for_arch(${arch} ORC_RUNTIME_LIBS)
      if(ORC_RUNTIME_LIBS)
        generate_compiler_rt_tests(TEST_OBJECTS
          OrcRTUnitTests "${testname}-${arch}-Test" "${arch}"
          SOURCES ${TEST_SOURCES} ${COMPILER_RT_GTEST_SOURCE}
          RUNTIME "${ORC_RUNTIME_LIBS}"
          COMPILE_DEPS ${TEST_HEADERS} ${ORC_HEADERS}
          DEPS llvm_gtest ${ORC_DEPS}
          CFLAGS ${ORC_UNITTEST_CFLAGS} ${COMPILER_RT_GTEST_CFLAGS}
          LINK_FLAGS ${ORC_UNITTEST_LINK_FLAGS})
      endif()
    endforeach()
  endif()
endmacro()

macro(add_orc_tool toolname)
  cmake_parse_arguments(TOOL "" "" "SOURCES;HEADERS" ${ARGN})
  if(UNIX)
    foreach(arch ${ORC_TEST_ARCH})
      set(TOOL_OBJECTS)
      get_orc_lib_for_arch(${arch} ORC_RUNTIME_LIBS)
      if(ORC_RUNTIME_LIBS)
        generate_compiler_rt_tests(TOOL_OBJECTS
          OrcRTTools "${toolname}-${arch}" "${arch}"
          SOURCES ${TOOL_SOURCES}
          RUNTIME "${ORC_RUNTIME_LIBS}"
          COMPILE_DEPS ${TOOL_HEADERS} ${ORC_HEADERS}
          DEPS ${ORC_DEPS}
          CFLAGS ${ORC_UNITTEST_CFLAGS}
          LINK_FLAGS ${ORC_UNITTEST_LINK_FLAGS})
      endif()
    endforeach()
  endif()
endmacro()

if (APPLE)
  if("osx" IN_LIST ORC_SUPPORTED_OS)
    add_orc_lib("RTOrc.test.osx"
      $<TARGET_OBJECTS:RTOrc.osx>)
  endif()
else()
  foreach(arch ${ORC_SUPPORTED_ARCH})
    add_orc_lib("RTOrc.test.${arch}"
      $<TARGET_OBJECTS:RTOrc.${arch}>)
  endforeach()
endif()

if(COMPILER_RT_INCLUDE_TESTS)
  add_subdirectory(unit)
endif()
add_subdirectory(tools)