src/third_party/libc++/trunk/cmake/config-ix.cmake

   1 include(CheckLibraryExists)
   2 include(CheckCXXCompilerFlag)
   3
   4 # Check compiler flags
   5 check_cxx_compiler_flag(-std=c++0x            LIBCXX_HAS_STDCXX0X_FLAG)
   6 check_cxx_compiler_flag(-fPIC                 LIBCXX_HAS_FPIC_FLAG)
   7 check_cxx_compiler_flag(-nodefaultlibs        LIBCXX_HAS_NODEFAULTLIBS_FLAG)
   8 check_cxx_compiler_flag(-nostdinc++           LIBCXX_HAS_NOSTDINCXX_FLAG)
   9 check_cxx_compiler_flag(-Wall                 LIBCXX_HAS_WALL_FLAG)
  10 check_cxx_compiler_flag(-W                    LIBCXX_HAS_W_FLAG)
  11 check_cxx_compiler_flag(-Wno-unused-parameter LIBCXX_HAS_WNO_UNUSED_PARAMETER_FLAG)
  12 check_cxx_compiler_flag(-Wwrite-strings       LIBCXX_HAS_WWRITE_STRINGS_FLAG)
  13 check_cxx_compiler_flag(-Wno-long-long        LIBCXX_HAS_WNO_LONG_LONG_FLAG)
  14 check_cxx_compiler_flag(-pedantic             LIBCXX_HAS_PEDANTIC_FLAG)
  15 check_cxx_compiler_flag(-Werror               LIBCXX_HAS_WERROR_FLAG)
  16 check_cxx_compiler_flag(-Wno-error            LIBCXX_HAS_WNO_ERROR_FLAG)
  17 check_cxx_compiler_flag(-fno-exceptions       LIBCXX_HAS_FNO_EXCEPTIONS_FLAG)
  18 check_cxx_compiler_flag(-fno-rtti             LIBCXX_HAS_FNO_RTTI_FLAG)
  19 check_cxx_compiler_flag(/WX                   LIBCXX_HAS_WX_FLAG)
  20 check_cxx_compiler_flag(/WX-                  LIBCXX_HAS_NO_WX_FLAG)
  21 check_cxx_compiler_flag(/EHsc                 LIBCXX_HAS_EHSC_FLAG)
  22 check_cxx_compiler_flag(/EHs-                 LIBCXX_HAS_NO_EHS_FLAG)
  23 check_cxx_compiler_flag(/EHa-                 LIBCXX_HAS_NO_EHA_FLAG)
  24 check_cxx_compiler_flag(/GR-                  LIBCXX_HAS_NO_GR_FLAG)
  25
  26 # Check libraries
  27 check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
  28 check_library_exists(c printf "" LIBCXX_HAS_C_LIB)
  29 check_library_exists(m ccos "" LIBCXX_HAS_M_LIB)
  30 check_library_exists(rt clock_gettime "" LIBCXX_HAS_RT_LIB)
  31 check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB)
  32
  33 # Check C++0x features
  34 if (LIBCXX_ENABLE_CXX0X)
  35   if (LIBCXX_HAS_STDCXX0X_FLAG)
  36     set(CMAKE_REQUIRED_DEFINITIONS -std=c++0x)
  37   endif()
  38 else()
  39   set(LIBCXX_HAS_STDCXX0X_FLAG FALSE)
  40 endif()