Tools/CMake/CRYENGINE-GCC.cmake

   1 set(GCC_COMMON_FLAGS
   2         -Wall
   3         -Werror
   4
   5         -ffast-math
   6         -flax-vector-conversions
   7         -fvisibility=hidden
   8         -fPIC
   9         -fno-exceptions
  10
  11         -Wno-unknown-warning
  12 )
  13
  14 set(GCC_CPP_COMMON_FLAGS
  15         -fno-rtti
  16         -Wno-invalid-offsetof
  17         -Wno-aligned-new
  18         -Wno-conversion-null
  19         -Wno-unused-result
  20         -Wno-reorder
  21         -Wno-delete-non-virtual-dtor # Needed to provide virtual dispatch to allow strings to be modified on CryCommon types
  22         -Wno-class-memaccess
  23 )
  24
  25 string(REPLACE ";" " " GCC_COMMON_FLAGS "${GCC_COMMON_FLAGS}")
  26 string(REPLACE ";" " " GCC_CPP_COMMON_FLAGS "${GCC_CPP_COMMON_FLAGS}")
  27
  28 set(CMAKE_CXX_FLAGS "${GCC_COMMON_FLAGS} ${GCC_CPP_COMMON_FLAGS}" CACHE STRING "C++ Flags" FORCE)
  29 set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -D_DEBUG -DDEBUG" CACHE STRING "C++ Debug Flags" FORCE)
  30 set(CMAKE_CXX_FLAGS_PROFILE "-O2 -D_PROFILE -DNDEBUG" CACHE STRING "C++ Profile Flags" FORCE)
  31 set(CMAKE_CXX_FLAGS_RELEASE "-O3 -D_RELEASE -DNDEBUG" CACHE STRING "C++ Release Flags" FORCE)
  32
  33 set(CMAKE_C_FLAGS "${GCC_COMMON_FLAGS}" CACHE STRING "C Flags" FORCE)
  34 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "C Debug Flags" FORCE)
  35 set(CMAKE_C_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_PROFILE}" CACHE STRING "C Profile Flags" FORCE)
  36 set(CMAKE_C_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "C Release Flags" FORCE)
  37
  38 set(CMAKE_CXX_STANDARD_LIBRARIES "" CACHE STRING "Libraries linked by default with all C++ applications." FORCE)
  39
  40 set(CMAKE_LINK_FLAGS "{$CMAKE_LINK_FLAGS} -Wl, --gc-sections")
  41
  42
  43 set(CMAKE_SHARED_LINKER_FLAGS_PROFILE ${CMAKE_SHARED_LINKER_FLAGS_DEBUG} CACHE STRING "Linker Library Profile Flags" FORCE)
  44 set(CMAKE_EXE_LINKER_FLAGS_PROFILE ${CMAKE_EXE_LINKER_FLAGS_DEBUG} CACHE STRING "Linker Executable Profile Flags" FORCE)
  45
  46 function (wrap_whole_archive project target source)
  47         set(${target} "-Wl,--whole-archive;${${source}};-Wl,--no-whole-archive" PARENT_SCOPE)
  48 endfunction()