#
# This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
#
# This file is free software; as a special exception the author gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#

# Set build-directive (used in core to tell which buildtype we used)
target_compile_definitions(acore-compile-option-interface
  INTERFACE
    -D_BUILD_DIRECTIVE="${CMAKE_BUILD_TYPE}")

set(GCC_EXPECTED_VERSION 8.0.0)

if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS GCC_EXPECTED_VERSION)
  message(FATAL_ERROR "GCC: This project requires version ${GCC_EXPECTED_VERSION} to build but found ${CMAKE_CXX_COMPILER_VERSION}")
else()
  message(STATUS "GCC: Minimum version required is ${GCC_EXPECTED_VERSION}, found ${CMAKE_CXX_COMPILER_VERSION} - ok!")
endif()

if(PLATFORM EQUAL 32)
  # Required on 32-bit systems to enable SSE2 (standard on x64)
  target_compile_options(acore-compile-option-interface
    INTERFACE
      -msse2
      -mfpmath=sse)
endif()

target_compile_definitions(acore-compile-option-interface
  INTERFACE
    -DHAVE_SSE2
    -D__SSE2__)
message(STATUS "GCC: SFMT enabled, SSE2 flags forced")

if( WITH_WARNINGS )
  target_compile_options(acore-warning-interface
  INTERFACE
    -W
    -Wall
    -Wextra
    -Winit-self
    -Winvalid-pch
    -Wfatal-errors
    -Woverloaded-virtual)
  message(STATUS "GCC: All warnings enabled")
endif()

if( WITH_COREDEBUG )
  target_compile_options(acore-compile-option-interface
  INTERFACE
    -g3)
  message(STATUS "GCC: Debug-flags set (-g3)")
endif()

if(BUILD_SHARED_LIBS)
  target_compile_options(acore-compile-option-interface
    INTERFACE
      -fPIC
      -Wno-attributes)

  target_compile_options(acore-hidden-symbols-interface
    INTERFACE
      -fvisibility=hidden)

  # Should break the build when there are ACORE_*_API macros missing
  # but it complains about missing references in precompiled headers.
  # set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,--no-undefined")
  # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,--no-undefined")

  message(STATUS "GCC: Enabled shared linking")
endif()