buildtools/Cmake/Flags.cmake

   1 set(warnCFLAGS "")
   2 set(optCFLAGS "")
   3
   4 if(NOT __VISUALC__ AND NOT __BORLANDC__)
   5   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-g3")
   6   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-g3")
   7 else()
   8   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi")
   9   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi")
  10 endif()
  11
  12 if(enable_compile_warnings)
  13   set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wclobbered -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror -Wno-error=clobbered ")
  14   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  15     set(warnCFLAGS "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
  16   endif()
  17   if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
  18     string(REPLACE "-Wclobbered " "" warnCFLAGS "${warnCFLAGS}")
  19   endif()
  20
  21   set(CMAKE_Fortran_FLAGS "-Wall") # FIXME: Q&D hack
  22 endif()
  23
  24 if(enable_compile_optimizations)
  25   set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
  26   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  27     set(optCFLAGS "${optCFLAGS}-flto ")
  28   endif()
  29 else()
  30   set(optCFLAGS "-O0 ")
  31 endif()
  32
  33 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
  34   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
  35   set(optCFLAGS "-O0 ")
  36 endif()
  37
  38 if(NOT enable_debug)
  39   set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
  40 endif()
  41
  42 if(enable_msg_deprecated)
  43   set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
  44 endif()
  45
  46 set(CMAKE_C_FLAGS "${optCFLAGS}${warnCFLAGS}${CMAKE_C_FLAGS}")
  47
  48 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
  49
  50 # Try to make Mac a bit more complient to open source standards
  51 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
  52   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
  53 endif()
  54
  55 set(TESH_OPTION "")
  56 if(enable_coverage)
  57   find_program(GCOV_PATH gcov)
  58   if(GCOV_PATH)
  59     SET(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
  60     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
  61     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
  62     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fprofile-arcs -ftest-coverage")
  63     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
  64     set(TESH_OPTION --enable-coverage)
  65     add_definitions(-fprofile-arcs -ftest-coverage)
  66   endif()
  67 endif()
  68
  69 if(NOT $ENV{CFLAGS} STREQUAL "")
  70   message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
  71   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
  72 endif()
  73
  74 if(NOT $ENV{LDFLAGS} STREQUAL "")
  75   message(STATUS "Add LDFLAGS: \"$ENV{LDFLAGS}\" to CMAKE_C_LINK_FLAGS")
  76   set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} $ENV{LDFLAGS}")
  77 endif()
  78
  79 if(enable_model-checking AND enable_compile_optimizations)
  80   message(WARNING "Sorry for now GCC optimizations does not work with model checking.\nPlease turn off optimizations with command:\ncmake -Denable_compile_optimizations=off. ")
  81 endif()