openmp/cmake/HandleOpenMPOptions.cmake

   1 if (OPENMP_STANDALONE_BUILD)
   2   # From HandleLLVMOptions.cmake
   3   function(append_if condition value)
   4     if (${condition})
   5       foreach(variable ${ARGN})
   6         set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
   7       endforeach(variable)
   8     endif()
   9   endfunction()
  10 endif()
  11
  12 # MSVC and clang-cl in compatibility mode map -Wall to -Weverything.
  13 # TODO: LLVM adds /W4 instead, check if that works for the OpenMP runtimes.
  14 if (NOT MSVC)
  15   append_if(OPENMP_HAVE_WALL_FLAG "-Wall" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  16 endif()
  17 if (OPENMP_ENABLE_WERROR)
  18   append_if(OPENMP_HAVE_WERROR_FLAG "-Werror" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  19 endif()
  20
  21 # Additional warnings that are not enabled by -Wall.
  22 append_if(OPENMP_HAVE_WCAST_QUAL_FLAG "-Wcast-qual" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  23 append_if(OPENMP_HAVE_WFORMAT_PEDANTIC_FLAG "-Wformat-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  24 append_if(OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG "-Wimplicit-fallthrough" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  25 append_if(OPENMP_HAVE_WSIGN_COMPARE_FLAG "-Wsign-compare" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  26
  27 # Warnings that we want to disable because they are too verbose or fragile.
  28 append_if(OPENMP_HAVE_WNO_EXTRA_FLAG "-Wno-extra" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  29 append_if(OPENMP_HAVE_WNO_PEDANTIC_FLAG "-Wno-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  30 append_if(OPENMP_HAVE_WNO_MAYBE_UNINITIALIZED_FLAG "-Wno-maybe-uninitialized" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
  31
  32 append_if(OPENMP_HAVE_STD_GNUPP14_FLAG "-std=gnu++14" CMAKE_CXX_FLAGS)
  33 if (NOT OPENMP_HAVE_STD_GNUPP14_FLAG)
  34   append_if(OPENMP_HAVE_STD_CPP14_FLAG "-std=c++14" CMAKE_CXX_FLAGS)
  35 endif()