# Set build-directive (used in core to tell which buildtype we used)
add_definitions(-D_BUILD_DIRECTIVE='"${CMAKE_BUILD_TYPE}"')

# Check C++11 compiler support
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
if(COMPILER_SUPPORTS_CXX11)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
elseif(COMPILER_SUPPORTS_CXX0X)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
else()
  message(FATAL_ERROR "Error, UeCore requires a compiler that supports C++11!")
endif()


set(GCC_EXPECTED_VERSION 10.0.0)

if(PLATFORM EQUAL X86)
  # Required on 32-bit systems to enable SSE2 (standard on x64)
  set(SSE_FLAGS "-msse2 -mfpmath=sse")
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SSE_FLAGS}")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SSE_FLAGS}")
endif()

add_definitions(-DHAVE_SSE2)
message(STATUS "GCC: SFMT enabled, SSE2 flags forced")

if(WARNINGS)
  set(WARNING_FLAGS "-W -Wall -Wextra -Winit-self -Winvalid-pch -Wfatal-errors")
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS}")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} -Woverloaded-virtual")
  message(STATUS "GCC: All warnings enabled")
else()
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-result")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-result")
endif()

if(DEBUG)
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
  message(STATUS "GCC: Debug-flags set (-g3)")
endif()